GE CRITICAL POWER APXS002A0X-SRZ

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Details

Part Number APXS002A0X-SRZ
Manufacturer GE CRITICAL POWER
Category Capacitors »  DC-DC Converter
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Description

NON-ISOLATED DC/DC CONVERTERS SMT IN 3-14VDC OUT 0.6-5.5VDC 2A

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Specifications

Manufacturer GE Critical Power
Manufacturers Part # APXS002A0X-SRZ
Industry Aliases CC109150406, APXS002A0X-SRZ
Brand GE Critical Power
Packaging Tape and Reel
Series APXS002A0X
Factory Pack Quantity 400
Connection Type SMD/SMT
Dimensions 0.48 x 0.48 x 0.25"
Mechanical Style Non-Isolated / POL
Operating Temperature - 40 to + 85°C
Output Amps 1 2 A
Power 11 W
Subcategory DC-DC Converter

Datasheet

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Extracted Text

Data Sheet GE TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current . Features  Compliant to RoHS II EU “Directive 2011/65/EU”  Compatible in a Pb-free or SnPb reflow environment (Z versions)  Wide Input voltage range (3Vdc-14Vdc)  Output voltage programmable from 0.6Vdc to 5.5Vdc via external resistor TM  Tunable Loop to optimize dynamic output voltage response  Remote sense  Power Good signal  Fixed switching frequency RoHS Compliant  Output overcurrent protection (non-latching)  Overtemperature protection Applications  Remote On/Off  Distributed power architectures  Ability to sink and source current  Intermediate bus voltage applications  Cost efficient open frame design  Telecommunications equipment  Small size: 12.2 mm x 12.2 mm x 6.25mm  Servers and storage applications (0.48 in x 0.48 in x 0.246in)  Networking equipment  Wide operating temperature range (-40°C to 85°C)  Industrial equipment †  UL* 60950-1Recognized, CSA C22.2 No. 60950-1-03 ‡ Certified, and VDE 0805:2001-12 (EN60950-1) Licensed Vin+ Vout+  ISO** 9001 and ISO 14001 certified manufacturing facilities VIN VOUT SENSE PGOOD RTUNE MODULE Cin Co CTUNE ON/OFF TRIM Q1 RTrim GND Description TM The 12V PicoTLynx 2A power modules are non-isolated dc-dc converters that can deliver up to 2A of output current. These modules operate over a wide range of input voltage (VIN = 3Vdc-14Vdc) and provide a precisely regulated output voltage from 0.6Vdc to 5.5Vdc, programmable via an external resistor. Features include remote On/Off, adjustable output voltage, over current TM and over temperature protection. A new feature, the Tunable Loop , allows the user to optimize the dynamic response of the converter to match the load with reduced amount of output capacitance leading to savings on cost and PWB area. * UL is a registered trademark of Underwriters Laboratories, Inc. † CSA is a registered trademark of Canadian Standards Association. ‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V. ** ISO is a registered trademark of the International Organization of Standards # The PMBus name and logo are registered trademarks of the System Management Interface Forum (SMIF) June 19, 2014 ©2014 General Electric Company. All rights reserved. GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability. Parameter Device Symbol Min Max Unit Input Voltage All V -0.3 15 Vdc IN Continuous Operating Ambient Temperature All T -40 85 °C A (see Thermal Considerations section) Storage Temperature All Tstg -55 125 °C Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. Parameter Device Symbol Min Typ Max Unit Operating Input Voltage All VIN 3.0 ⎯ 14.0 Vdc Maximum Input Current All IIN,max 1.8A Adc (V =3V to 14V, I =I) IN O O, max VO,set = 0.6 Vdc IIN,No load 20 mA Input No Load Current (VIN = 12.0Vdc, IO = 0, module enabled) V = 5.5Vdc I 48 mA O,set IN,No load Input Stand-by Current All IIN,stand-by 8 mA (VIN = 12.0Vdc, module disabled) 2 2 Inrush Transient All It 1 A s Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1μH source impedance; V = 0 to All 20 mAp-p IN 14V I = I ; See Test Configurations) , O Omax Input Ripple Rejection (120Hz) All -65 dB CAUTION: This power module is not internally fused. An input line fuse must always be used. This power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part of sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included; however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a fast-acting fuse with a maximum rating of 4A (see Safety Considerations section). Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data sheet for further information. June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 2 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Electrical Specifications (continued) Parameter Device Symbol Min Typ Max Unit Output Voltage Set-point (with 0.5% tolerance for external All V -1.5 +1.5 % V O, set O, set resistor used to set output voltage) Output Voltage (Over all operating input voltage, resistive All V -2.5 +2.5 % V O, set ⎯ O, set load, and temperature conditions until end of life) Adjustment Range (selected by an external resistor) (Some output voltages may not be possible depending on the All VO 0.6 5.5 Vdc input voltage – see Feature Descriptions Section) Remote Sense Range All 0.5 Vdc Output Regulation (for V ≥ 2.5Vdc) O Line (V =V to V) All +0.4 % V IN IN, min IN, max ⎯ O, set Load (IO=IO, min to IO, max) All ⎯ 10 mV Output Regulation (for VO < 2.5Vdc) Line (VIN=VIN, min to VIN, max) All ⎯ 10 mV Load (IO=IO, min to IO, max) All ⎯ 5 mV Temperature (Tref=TA, min to TA, max) All ⎯ 0.4 % VO, set Output Ripple and Noise on nominal output (VIN=VIN, nom and IO=IO, min to IO, max Co = 0.1μF // 10 μF ceramic capacitors) Peak-to-Peak (5Hz to 20MHz bandwidth) All 50 100 mV ⎯ pk-pk RMS (5Hz to 20MHz bandwidth) All 20 38 mVrms 1 External Capacitance TM Without the Tunable Loop ESR ≥ 1 mΩ All CO 22 ⎯ 47 μF TM With the Tunable Loop ESR ≥0.15 mΩ All C 0 1000 μF O, max ⎯ ESR ≥ 10 mΩ All C 0 3000 μF O, max ⎯ Output Current (in either sink or source mode) All Io 0 2 Adc Output Current Limit Inception (Hiccup Mode) All IO, lim 180 % Io,max (current limit does not operate in sink mode) Output Short-Circuit Current All IO, s/c 140 mA (VO≤250mV) ( Hiccup Mode ) Efficiency VO,set = 0.6Vdc η 68.7 % 80.7 VIN= 12Vdc, TA=25°C VO, set = 1.2Vdc η % 85.9 I =I V = V V = 1.8Vdc η % O O, max , O O,set O,set 89 V = 2.5Vdc η % O,set 91.1 VO,set = 3.3Vdc η % 93.6 VO,set = 5.0Vdc η % Switching Frequency All fsw ⎯ 600 ⎯ kHz TM External capacitors may require using the new Tunable Loop feature to ensure that the module is stable as well as getting TM the best transient response. See the Tunable Loop section for details. June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 3 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current General Specifications Parameter Device Min Typ Max Unit Calculated MTBF (I =0.8I , T =40°C) Telecordia Issue 2 Method 1 O O, max A APXS 26,121,938 Hours Case 3 Weight ⎯ 0.9(0.0317) ⎯ g (oz.) Feature Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions for additional information. Parameter Device Symbol Min Typ Max Unit On/Off Signal Interface (V =V to V ; open collector or equivalent, IN IN, min IN, max Signal referenced to GND) Device Code with no suffix – Negative Logic (See Ordering Information) (On/OFF pin is open collector/drain logic input with external pull-up resistor; signal referenced to GND) Logic High (Module OFF) Input High Current All IIH — — 1 mA Input High Voltage All VIH 3 — V Vdc IN, max Logic Low (Module ON) Input low Current All IIL — — 10 μA Input Low Voltage All VIL -0.2 — 0.3 Vdc Turn-On Delay and Rise Times (V =V , I =I V to within ±1% of steady state) IN IN, nom O O, max , O Case 1: On/Off input is enabled and then input power is All Tdelay — 5 — msec applied (delay from instant at which V = V until Vo = IN IN, min 10% of Vo, set) Case 2: Input power is applied for at least one second and All Tdelay — 5.2 — msec then the On/Off input is enabled (delay from instant at which Von/Off is enabled until Vo = 10% of Vo, set) Output voltage Rise time (time for Vo to rise from All Trise — 1.4 — msec 10% of Vo, set to 90% of Vo, set) o Output voltage overshoot (TA = 25C 3.0 % VO, set VIN= VIN, min to VIN, max,IO = IO, min to IO, max) With or without maximum external capacitance Over Temperature Protection All T 140 °C ref (See Thermal Considerations section) June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 4 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Feature Specifications (cont.) Parameter Device Symbol Min Typ Max Units Input Undervoltage Lockout Turn-on Threshold All 2.95 Vdc Turn-off Threshold All 2.8 Vdc Hysteresis All 0.2 Vdc PGOOD (Power Good) Signal Interface Open Drain, Vsupply ≤ 5VDC Overvoltage threshold for PGOOD 112.5 %VO, set Undervoltage threshold for PGOOD 87.5 %VO, set Pulldown resistance of PGOOD pin All 30 70 Ω June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 5 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (0.6V, 2A) at 25 C. 2.5 85 NC 80 2.0 75 Vin=12V Vin=3V 1.5 70 1.0 65 Standard Test Vin=14V 0.5 Extended Test 60 0.0 55 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, I (A) AMBIENT TEMPERATURE, T C O A Figure 2. Derating Output Current versus Ambient Figure 1. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 4. Transient Response to Dynamic Load Change from Figure 3. Typical output ripple and noise (VIN = 12V, Io = Io,max). 0% to 50% to 0% . TIME, t (1ms/div) TIME, t (1ms/div) Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 6. Typical Start-up Using Input Voltage (VIN = 12V, Io = Vin=12V,Cext= 22uF). Io,max). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 6 OUTPUT VOLTAGE ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (200mV/div) VON/OFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE IO (A) (1Adiv) VO (V) (100mV/div) OUTPUT CURRENT, Io (A) V (V) (200mV/div) V (V) (5V/div) O IN GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (1.2V, 2A) at 25 C. 2.5 95 NC 90 2.0 85 Vin=12V 1.5 Vin=3V 80 1.0 75 Vin=14V Standard Test 0.5 70 Extended Test 0.0 65 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 8. Derating Output Current versus Ambient Figure 7. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 9. Typical output ripple and noise (VIN = 12V, Io = Figure 10. Transient Response to Dynamic Load Change from Io,max). 0% to 50% to 0%. TIME, t (2ms/div) TIME, t (2ms/div) Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 12. Typical Start-up Using Input Voltage (VIN = 12V, Vin=12V,Cext= 22uF). Cext= 22uF, Io = Io,max). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 7 OUTPUT VOLTAGE ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (500mV/div) VON/OFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE I (A) (1Adiv) V (V) (100mV/div) OUTPUT CURRENT, Io (A) O O V (V) (500mV/div) V (V) (5V/div) O IN GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (1.8V, 2A) at 25 C. 2.5 95 NC 2.0 90 Vin=12V Vin=3V 1.5 85 Vin=14V 1.0 80 Standard Test 0.5 75 Extended Test 70 0.0 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 14. Derating Output Current versus Ambient Figure 13. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 15. Typical output ripple and noise (VIN = 12V, Io = Figure 16. Transient Response to Dynamic Load Change from Io,max). 0% to 50% to 0%. TIME, t (2ms/div) TIME, t (2ms/div) Figure 17. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 18. Typical Start-up Using Input Voltage (VIN = 12V, Vin=12V,Cext= 22uF,). Cext= 22uF, Io = Io,max). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 8 OUTPUT VOLTAGE ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (500mV/div) VON/OFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE OUTPUT CURRENT, Io (A) IO (A) (1Adiv) VO (V) (100mV/div) VO(V) (500mV/div) VIN (V) (5V/div) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (2.5V, 2A) at 25 C. 2.5 100 NC 95 2.0 Vin=12V 90 1.5 Vin=3.3V 85 Vin=14V 1.0 80 Standard Test 0.5 Extended Test 75 0.0 70 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 20. Derating Output Current versus Ambient Figure 19. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 21. Typical output ripple and noise (VIN = 12V, Io = Figure 22. Transient Response to Dynamic Load Change from Io,max). 0% to 50% to 0%. TIME, t (2ms/div) TIME, t (2ms/div) Figure 23. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 24. Typical Start-up Using Input Voltage (VIN = 12V, Cext= Vin=12V,Cext= 22uF ). 22 uF, Io = Io,max). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 9 OUTPUT VOLTAGE ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (1V/div) VON/PFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE I (A) (1Adiv) V (V) (100mV/div) OUTPUT CURRENT, Io (A) O O V (V) (1V/div) V (V) (5V/div) O IN GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (3.3V, 2A) at 25 C. 2.5 100 NC 95 2.0 Vin=12V 90 Vin=4.5V 1.5 85 Vin=14V 1.0 80 Standard Test 0.5 75 Extended Test 0.0 70 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, IO (A) AMBIENT TEMPERATURE, TA C Figure 26. Derating Output Current versus Ambient Figure 25. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 27. Typical output ripple and noise (VIN = 12V, Io = Figure 28. Transient Response to Dynamic Load Change from Io,max). 0% to 50% to 0%. TIME, t (2ms/div) TIME, t (2ms/div) Figure 29. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 30. Typical Start-up Using Input Voltage (VIN = 12V, Cext= Vin=12V,Cext= 22uF) 22 uF, Io = Io,max). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 10 OUTPUT VOLTAGE ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (1V/div) VON?OFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE I (A) (1Adiv) V (V) (100mV/div) OUTPUT CURRENT, Io (A) O O V (V) (1V/div) V (V) (5V/div) O IN GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Characteristic Curves o The following figures provide typical characteristics for the APXS002A0X-SRZ (5V, 2A) at 25 C. 2.5 100 NC 95 2.0 Vin=12V 90 1.5 Vin=14V 85 Vin=6.5V 1.0 80 Standard Test 0.5 75 Extended Test 70 0.0 45 55 65 75 85 95 105 0 0.4 0.8 1.2 1.6 2 O OUTPUT CURRENT, I (A) AMBIENT TEMPERATURE, T C O A Figure 32. Derating Output Current versus Ambient Figure 31. Converter Efficiency versus Output Current. Temperature and Airflow. TIME, t (1μs/div) TIME, t (20μs /div) Figure 33. Typical output ripple and noise (VIN = 12V, Io = Figure 34. Transient Response to Dynamic Load Change from Io,max). 0% to 50% to 0%. TIME, t (2ms/div) TIME, t (2ms/div) Figure 35. Typical Start-up Using On/Off Voltage (Io = Io,max, Figure 36. Typical Start-up Using Input Voltage (VIN = 12V, Io = Vin=12V,Cext= 22uF). Io,max, Cext= 22uF). June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 11 OUTPUT VOLTAG E ON/OFF VOLTAGE OUTPUT VOLTAGE VO (V) (2V/div) VON/OFF (V) (5V/div) EFFICIENCY, η (%) VO (V) (10mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE OUTPUT CURRENT, Io (A) IO (A) (1Adiv) VO (V) (100mV/div) Vo (V) (2V/div) VIN (V) (5V/div) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Test Configurations Design Considerations Input Filtering CURRENT PROBE TO OSCILLOSCOPE TM The 12V PicoTLynx 2A module should be connected L to a low ac-impedance source. A highly inductive TEST V (+) IN source can affect the stability of the module. An input 1μH capacitance must be placed directly adjacent to the input pin of the module, to minimize input ripple C IN C 1000μF S voltage and ensure module stability. Electrolytic 2x100μF E.S.R.<0.1Ω Tantalum To minimize input voltage ripple, ceramic capacitors @ 20°C 100kHz are recommended at the input of the module. Figure COM 40 shows the input ripple voltage for various output voltages at 2A of load current with 1x10 µF or 1x22 µF NOTE: Measure input reflected ripple current with a simulated ceramic capacitors and an input of 5V. Figure 41 source inductance (L ) of 1μH. Capacitor C offsets TEST S shows the input ripple voltage for an input of 12V possible battery impedance. Measure current as shown above. 90 Figure 37. Input Reflected Ripple Current Test Setup. COPPER STRIP 80 70 RESISTIVE Vo+ 1x10uF LOAD 60 1x22uF 0.1uF 10uF 50 COM SCOPE USING 40 BNC SOCKET GROUND PLANE 30 NOTE: All voltage measurements to be taken at the module 20 terminals, as shown above. If sockets are used then Kelvin connections are required at the module terminals 0.5 1 1.5 2 2.5 3 3.5 to avoid measurement errors due to socket contact resistance. Output Voltage (Vdc) Figure 38. Output Ripple and Noise Test Setup. Figure 40. Input ripple voltage for various output voltages with 1x10 µF or 1x22 µF ceramic capacitors at the input (2A load). Input voltage is 5V. R R R R distribution contact contact distribution V (+) V IN O 110 100 RLOAD 90 V V IN O 80 1x10uF R R R R distribution contact contact distribution 70 COM COM 1x22uF 60 NOTE: All voltage measurements to be taken at the module 50 terminals, as shown above. If sockets are used then Kelvin connections are required at the module terminals 40 to avoid measurement errors due to socket contact resistance. 30 Figure 39. Output Voltage and Efficiency Test Setup. 20 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 V . I O O Output Voltage (Vdc) Efficiency = x 100 % η V . I IN IN Figure 41. Input ripple voltage for various output voltages with 1x10 µF or 1x22 µF ceramic capacitors at the input (2A load). Input voltage is 12V. Output Filtering TM The 12V PicoTLynx 2A modules are designed for low output ripple voltage and will meet the maximum output ripple specification with 0.1 µF ceramic and 22µF ceramic capacitors at the output of the module. However, June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 12 BATTERY Input Ripple Voltage (mVp-p) Input Ripple Voltage (mVp-p) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current additional output filtering may be required by the system Feature Descriptions designer for a number of reasons. First, there may be a need to further reduce the output ripple and noise of the module. Remote Enable Second, the dynamic response characteristics may need to be TM The 12V PicoTLynx 2A power modules feature an customized to a particular load step change. On/Off pin for remote On/Off operation. With the Negative Logic On/Off option, (no device code suffix, see To reduce the output ripple and improve the dynamic response Ordering Information), the module turns OFF during logic to a step load change, additional capacitance at the output can High and ON during logic Low. The On/Off signal is be used. Low ESR polymer and ceramic capacitors are always referenced to ground. Leaving the On/Off pin recommended to improve the dynamic response of the module. disconnected will turn the module ON when input voltage A minimum 22uF External Cap must be used. Figure 42 provides is present. output ripple information for different external capacitance values at various Vo and for a load current of 2A. For stable The circuit configuration is shown in Fig. 43. operation of the module, limit the capacitance to less than the maximum output capacitance as specified in the electrical VIN+ specification table. Optimal performance of the module can be MODULE TM achieved by using the Tunable Loop feature described later in this data sheet. Rpullup 14 12 PWM Enable I ON/OFF 10 ON/OFF Q2 + 8 10K V ON/OFF 6 10K Q1 4 GND _ 1x22uF External Cap 2 1x47uF External Cap 2x47uF External cap 0 Figure 43. Circuit configuration for using negative 0.5 1.5 2.5 3.5 4.5 On/Off logic. Output Voltage(Volts) Figure 42. Output ripple voltage for various output voltages Overcurrent Protection with external 1x22 µF, 1x47 µF or 2x47 µF ceramic capacitors To provide protection in a fault (output overload) at the output (2A load). Input voltage is 12V. condition, the unit is equipped with internal current-limiting circuitry and can endure current limiting continuously. At the point of current-limit inception, the Safety Considerations unit enters hiccup mode. The unit operates normally once the output current is brought back into its specified range. For safety agency approval the power module must be installed in compliance with the spacing and separation requirements of Overtemperature Protection the end-use safety agency standards, i.e., UL 60950-1, CSA C22.2 No. 60950-1, and DIN EN 60950-1 (VDE 0805 Teil 1):2006- To provide protection in a fault condition, the unit is 11 equipped with a thermal shutdown circuit. The unit will o shutdown if the overtemperature threshold of 140 C is exceeded at the thermal reference point T . The thermal ref For the converter output to be considered meeting the shutdown is not intended as a guarantee that the unit will requirements of safety extra-low voltage (SELV), the input must survive temperatures beyond its rating. Once the unit meet SELV requirements. The power module has extra-low goes into thermal shutdown it will then wait to cool before voltage (ELV) outputs when all inputs are ELV. attempting to restart. The input to these units is to be provided with a fast-acting fuse with a maximum rating of 4A in the positive input lead. Input Undervoltage Lockout At input voltages below the input undervoltage lockout limit, the module operation is disabled. The module will begin to operate at an input voltage above the undervoltage lockout turn-on threshold. June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 13 Ripple(mVp-p) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current regulating the voltage at the SENSE pin. The voltage Output Voltage Programming between the SENSE pin and VOUT pin must not exceed TM The output voltage of the 12V PicoTLynx 2A modules can be 0.5V. Note that the output voltage of the module cannot programmed to any voltage from 0.6dc to 5.5Vdc by connecting exceed the specified maximum value. This includes the a resistor between the Trim and GND pins of the module. voltage drop between the SENSE and Vout pins. When Certain restrictions apply on the output voltage set point the Remote Sense feature is not being used, connect the depending on the input voltage. These are shown in the Output SENSE pin to the VOUT pin. Voltage vs. Input Voltage Set Point Area plot in Fig. 44. The Lower Limit curve shows that for output voltages of 2.4V and higher, the input voltage needs to be larger than the minimum V (+) V (+) IN O of 3V. SENSE 16 ON/OFF 14 LOAD TRIM 12 10 R tri m 8 GND 6 4 Figure 45. Circuit configuration for programming 2 output voltage using an external resistor. 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 Voltage Margining Output Voltage (V) Output voltage margining can be implemented in the TM 12V PicoTLynx 2A modules by connecting a resistor, Figure 44. Output Voltage vs. Input Voltage Set Point Area Rmargin-up, from the Trim pin to the ground pin for plot showing limits where the output voltage can be set for margining-up the output voltage and by connecting a different input voltages. resistor, R , from the Trim pin to output pin for margin-down Without an external resistor between Trim and GND pins, the margining-down. Figure 46 shows the circuit output of the module will be 0.6Vdc. To calculate the value of configuration for output voltage margining. The POL the trim resistor, Rtrim for a desired output voltage, use the Programming Tool, available at www.lineagepower.com following equation: under the Design Tools section, also calculates the values of Rmargin-up and Rmargin-down for a specific output voltage  6.0  and % margin. Please consult your local GE Critical Rtrim = kΩ   Power technical representative for additional details. () Vo − 0.6   Vo Rtrim is the external resistor in kΩ Rmargin-down Vo is the desired output voltage. MODULE Table 1 provides Rtrim values required for some common output voltages. Q2 Trim Table 1 Rmargin-up V (V) Rtrim (KΩ) O, set 1.0 15 Rtrim 1.2 10 1.5 6.67 Q1 1.8 5 GND 2.5 3.16 3.3 2.22 Figure 46. Circuit Configuration for margining Output 5.0 1.36 voltage. By using a ±0.5% tolerance trim resistor with a TC of ±100ppm, a set point tolerance of ±1.5% can be achieved as specified in the electrical specification. Remote Sense TM The 12V PicoTLynx 2A power modules have a Remote Sense feature to minimize the effects of distribution losses by June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 14 Input Voltage (v) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Recommended values of R and C for different TUNE TUNE Monotonic Start-up and Shutdown output capacitor combinations are given in Tables 2 and TM 3. Table 2 shows the recommended values of RTUNE and The 12V PicoTLynx 2A modules have monotonic start-up and CTUNE for different values of ceramic output capacitors up shutdown behavior for any combination of rated input voltage, to 470uF that might be needed for an application to meet output current and operating temperature range. output ripple and noise requirements. Selecting RTUNE and C according to Table 2 will ensure stable operation of TUNE Startup into Pre-biased Output the module. TM The 12V PicoTLynx 2A modules can start into a prebiased In applications with tight output voltage limits in the output as long as the prebias voltage is 0.5V less than the set presence of dynamic current loading, additional output output voltage. capacitance will be required. Tables 3, 4 and 5 list Power Good recommended values of RTUNE and CTUNE in order to meet 2% output voltage deviation limits for some common TM The 12V PicoTLynx 2A modules provide a Power Good output voltages in the presence of a 1A to 2A step change (PGOOD) signal that is implemented with an open-drain output (50% of full load), for input voltages of 12V, 5V and 3.3V to indicate that the output voltage is within the regulation limits respectively. of the power module. The PGOOD signal will be de-asserted to a low state if any condition such as overtemperature, Please contact your GE Critical Power technical overcurrent or loss of regulation occurs that would result in the representative to obtain more details of this feature as output voltage going ±12.5% outside the setpoint value. The well as for guidelines on how to select the right value of PGOOD terminal should be connected through a pullup resistor external R-C to tune the module for best transient (suggested value 100KΩ) to a source of 5VDC or lower. performance and stable operation for other output capacitance values or input voltages other than 12V. TM Tunable Loop TM Table 2. General recommended values of of R and TUNE The 12V PicoTLynx 2A modules have a new feature that C for Vin=12V/5V/3.3V and various external ceramic TUNE optimizes transient response of the module called Tunable TM capacitor combinations. Loop . Co 1x47μF 2x47μF 3x47μF 4x47μF 10x47μF External capacitors are usually added to the output of the RTUNE 220 150 100 100 100 module for two reasons: to reduce output ripple and noise (see Fig. 52) and to reduce output voltage deviations from the CTUNE 3900pF 10nF 18nF 18nF 22nF steady-state value in the presence of dynamic load current changes. Adding external capacitance however affects the voltage control loop of the module, typically causing the loop to Table 3. Recommended values of R and C to TUNE TUNE slow down with sluggish response. Larger values of external obtain transient deviation of ≤2% of Vout for a 1A step capacitance could also cause the module to become unstable. load with Vin=12V TM The Tunable Loop allows the user to externally adjust the Vo 5V 3.3V 2.5V 1.8V 1.2V 0.6V voltage control loop to match the filter network connected to TM the output of the module. The Tunable Loop is implemented 330μF Co 1x22μF1x47μF2x47μF2x47μF 3x47μF Polymer by connecting a series R-C between the SENSE and TRIM pins of the module, as shown in Fig. 47. This R-C allows the user to RTUNE 220 220 150 150 100 100 externally adjust the voltage loop feedback compensation of CTUNE 2200pF3900pF 10nF 10nF 18nF 68nF 81mV 61mV 35mV 34mV 23mV 12mV the module. ΔV VOUT Table 4. Recommended values of R and C to TUNE TUNE SENSE obtain transient deviation of ≤2% of Vout for a 1A step load with Vin=5V RTUNE Vo 3.3V 2.5V 1.8V 1.2V 0.6V C O MODULE 330μF Co 1x47μF 2x47μF2x47μF 3x47μF CTUNE Polymer RTUNE 220 150 150 100 100 TRIM CTUNE 3900pF 10nF 10nF 18nF 68nF ΔV 62mV 35mV 34mV 23mV 12mV RTrim GND Figure. 47. Circuit diagram showing connection of R and TUME C to tune the control loop of the module. TUNE June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 15 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Table 5. Recommended values of RTUNE and CTUNE to obtain transient deviation of ≤2% of Vout for a 1A step load with Vin=3.3V Vo 2.5V 1.8V 1.2V 0.6V 330μF Co 3x47μF 2x47μF 3x47μF Polymer RTUNE 100 150 100 100 C 18nF 10nF 18nF 68nF TUNE ΔV 48mV 34mV 23mV 12mV June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 16 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Thermal Considerations Power modules operate in a variety of thermal environments; however, sufficient cooling should always be provided to help ensure reliable operation. Considerations include ambient temperature, airflow, module power dissipation, and the need for increased reliability. A reduction in the operating temperature of the module will result in an increase in reliability. The thermal data presented here is based on physical measurements taken in a wind tunnel. The test set-up is shown in Figure 48. The preferred airflow direction for the module is in Figure 49. Figure 49. Preferred airflow direction and location of hot-spot of the module (Tref). 25.4_ Wind Tunnel (1.0) PWBs Power Module 76.2_ (3.0) x Probe Location for measuring 12.7_ airflow and (0.50) ambient temperature Air flow Figure 48. Thermal Test Setup. The thermal reference points, T used in the specifications are ref also shown in Figure 13. For reliable operation the temperatures o at these points should not exceed 140 C. The output power of the module should not exceed the rated power of the module (Vo,set x Io,max). Please refer to the Application Note “Thermal Characterization Process For Open-Frame Board-Mounted Power Modules” for a detailed discussion of thermal aspects including maximum device temperatures. June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 17 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Shock and Vibration The ruggedized (-D version) of the modules are designed to withstand elevated levels of shock and vibration to be able to operate in harsh environments. The ruggedized modules have been successfully tested to the following conditions: Non operating random vibration: Random vibration tests conducted at 25C, 10 to 2000Hz, for 30 minutes each level, starting from 30Grms (Z axis) and up to 50Grms (Z axis). The units were then subjected to two more tests of 50Grms at 30 minutes each for a total of 90 minutes. Operating shock to 40G per Mil Std. 810F, Method 516.4 Procedure I: The modules were tested in opposing directions along each of three orthogonal axes, with waveform and amplitude of the shock impulse characteristics as follows: All shocks were half sine pulses, 11 milliseconds (ms) in duration in all 3 axes. Units were tested to the Functional Shock Test of MIL-STD-810, Method 516.4, Procedure I - Figure 516.4-4. A shock magnitude of 40G was utilized. The operational units were subjected to three shocks in each direction along three axes for a total of eighteen shocks. Operating vibration per Mil Std 810F, Method 514.5 Procedure I: The ruggedized (-D version) modules are designed and tested to vibration levels as outlined in MIL-STD-810F, Method 514.5, and Procedure 1, using the Power Spectral Density (PSD) profiles as shown in Table 6 and Table 7 for all axes. Full compliance with performance specifications was required during the performance test. No damage was allowed to the module and full compliance to performance specifications was required when the endurance environment was removed. The module was tested per MIL-STD- 810, Method 514.5, Procedure I, for functional (performance) and endurance random vibration using the performance and endurance levels shown in Table 6 and Table 7 for all axes. The performance test has been split, with one half accomplished before the endurance test and one half after the endurance test (in each axis). The duration of the performance test was at least 16 minutes total per axis and at least 120 minutes total per axis for the endurance test. The endurance test period was 2 hours minimum per axis. Table 6: Performance Vibration Qualification - All Axes PSD Level PSD Level PSD Level Frequency (Hz) Frequency (Hz) Frequency (Hz) (G2/Hz) (G2/Hz) (G2/Hz) 10 1.14E-03 170 2.54E-03 690 1.03E-03 30 5.96E-03 230 3.70E-03 800 7.29E-03 40 9.53E-04 290 7.99E-04 890 1.00E-03 50 2.08E-03 340 1.12E-02 1070 2.67E-03 90 2.08E-03 370 1.12E-02 1240 1.08E-03 110 7.05E-04 430 8.84E-04 1550 2.54E-03 130 5.00E-03 490 1.54E-03 1780 2.88E-03 140 8.20E-04 560 5.62E-04 2000 5.62E-04 Table 7: Endurance Vibration Qualification - All Axes PSD Level PSD Level PSD Level Frequency (Hz) Frequency (Hz) Frequency (Hz) (G2/Hz) (G2/Hz) (G2/Hz) 10 0.00803 170 0.01795 690 0.00727 30 0.04216 230 0.02616 800 0.05155 40 0.00674 290 0.00565 890 0.00709 50 0.01468 340 0.07901 1070 0.01887 90 0.01468 370 0.07901 1240 0.00764 110 0.00498 430 0.00625 1550 0.01795 130 0.03536 490 0.01086 1780 0.02035 140 0.0058 560 0.00398 2000 0.00398 June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 18 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Example Application Circuit Requirements: Vin: 12V Vout: 1.8V Iout: 1A max., worst case load transient is from 1A to 1.5A ΔVout: 1.5% of Vout (27mV) for worst case load transient Vin, ripple 1.5% of Vin (180mV, p-p) Vout+ Vin+ VIN VOUT SENSE RTUNE MODULE + CI1 CI2 CO1 CTUNE ON/OFF TRIM Q3 RTrim GND CI1 1x10μF/16V ceramic capacitor (e.g. TDK C Series) CI2 100μF/16V bulk electrolytic CO1 2x47μF/6.3V ceramic capacitor (e.g. TDK C Series, Murata GRM32ER60J476ME20) CTune 5600pF ceramic capacitor (can be 1206, 0805 or 0603 size) RTune 150 ohms SMT resistor (can be 1206, 0805 or 0603 size) RTrim 5kΩ SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%) June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 19 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Mechanical Outline Dimensions are in millimeters and (inches). Tolerances: x.x mm ± 0.5 mm (x.xx in. ± 0.02 in.) [unless otherwise indicated] x.xx mm ± 0.25 mm (x.xxx in ± 0.010 in.) PIN FUNCTION 1 ON/OFF 2 VIN 3 GND 4 VOUT 5 SENSE 6 TRIM 7 GND NC 8 NC 9 NC 10 PGOOD PIN 8 PIN 7 June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 20 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Recommended Pad Layout Dimensions are in millimeters and (inches). Tolerances: x.x mm ± 0.5 mm (x.xx in. ± 0.02 in.) [unless otherwise indicated] x.xx mm ± 0.25 mm (x.xxx in ± 0.010 in.) PIN FUNCTION 1 ON/OFF 2 VIN 3 GND 4 VOUT 5 SENSE 6 TRIM 7 GND 8 NC 9 NC 10 PGOOD June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 21 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Packaging Details TM The 12V PicoTLynx 2A modules are supplied in tape & reel as standard. Modules are shipped in quantities of 400 modules per reel. All Dimensions are in millimeters and (in inches). Reel Dimensions: Outside Dimensions: 330.2 mm (13.00) Inside Dimensions: 177.8 mm (7.00”) Tape Width: 24.00 mm (0.945”) June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 22 GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current MSL Rating Surface Mount Information TM The 12V PicoTLynx 2A modules have a MSL rating of Pick and Place 2a. TM The 12V PicoTLynx 2A modules use an open frame construction and are designed for a fully automated assembly Storage and Handling process. The modules are fitted with a label designed to provide The recommended storage environment and handling a large surface area for pick and place operations. The label procedures for moisture-sensitive surface mount meets all the requirements for surface mount processing, as packages is detailed in J-STD-033 Rev. A (Handling, well as safety standards, and is able to withstand reflow Packing, Shipping and Use of Moisture/Reflow Sensitive o temperatures of up to 300 C. The label also carries product Surface Mount Devices). Moisture barrier bags (MBB) information such as product code, serial number and the with desiccant are required for MSL ratings of 2 or location of manufacture. greater. These sealed packages should not be broken until time of use. Once the original package is broken, Nozzle Recommendations the floor life of the product at conditions of ≤ 30°C and 60% relative humidity varies according to the MSL rating The module weight has been kept to a minimum by using open (see J-STD-033A). The shelf life for dry packed SMT frame construction. Variables such as nozzle size, tip style, packages will be a minimum of 12 months from the bag vacuum pressure and placement speed should be considered to seal date, when stored at the following conditions: < 40° optimize this process. The minimum recommended inside C, < 90% relative humidity. nozzle diameter for reliable operation is 3mm. The maximum nozzle outer diameter, which will safely fit within the allowable 300 Per J-STD-020 Rev. C component spacing, is 7 mm. Peak Temp 260°C 250 Bottom Side / First Side Assembly Cooling 200 Zone This module is not recommended for assembly on the bottom * Min. Time Above 235°C 15 Seconds side of a customer board. If such an assembly is attempted, 150 Heating Zone *Time Above 217°C components may fall off the module during the second reflow 1°C/Second 60 Seconds process. If assembly on the bottom side is planned, please 100 contact GE Critical Power for special manufacturing process 50 instructions. 0 Only ruggedized (-D version) modules with additional epoxy will Reflow Time (Seconds) work with a customer’s first side assembly. For other versions, Figure 50. Recommended linear reflow profile using first side assembly should be avoided Sn/Ag/Cu solder. Lead Free Soldering Post Solder Cleaning and Drying Considerations TM The 12V PicoTLynx 2A modules are lead-free (Pb-free) and RoHS compliant and fully compatible in a Pb-free soldering Post solder cleaning is usually the final circuit-board process. Failure to observe the instructions below may result in assembly process prior to electrical board testing. The the failure of or cause damage to the modules and can result of inadequate cleaning and drying can affect both adversely affect long-term reliability. the reliability of a power module and the testability of the finished circuit-board assembly. For guidance on Pb-free Reflow Profile appropriate soldering, cleaning and drying procedures, refer to Board Mounted Power Modules: Soldering and Power Systems will comply with J-STD-020 Rev. C Cleaning Application Note (AN04-001). (Moisture/Reflow Sensitivity Classification for Nonhermetic Solid State Surface Mount Devices) for both Pb-free solder profiles and MSL classification procedures. This standard provides a recommended forced-air- convection reflow profile based on the volume and thickness of the package (table 4-2). The suggested Pb- free solder paste is Sn/Ag/Cu (SAC). A 6 mil thick stencil is recommended. For questions regarding Land grid array(LGA) soldering, solder volume; please contact GE Critical Power for special manufacturing process instructions. The recommended linear reflow profile using Sn/Ag/Cu solder is shown in Fig. 50. Soldering outside of the recommended profile requires testing to verify results and performance. June 19, 2014 ©2014 General Electric Company. All rights reserved. Page 23 Reflow Temp (°C) GE Data Sheet TM 2A PicoTLynx : Non-Isolated DC-DC Power Modules 3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current Ordering Information Please contact your GE Critical Power Sales Representative for pricing, availability and optional features. Table 8. Device Codes Input Output Output On/Off Device Code Sequencing Comcodes Voltage Range Voltage Current Logic CC109150406 APXS002A0X-SRZ 3 – 14Vdc 0.6 – 5.5Vdc 2A Negative No CC109158812 APXS002A0X-SRDZ 3 – 14Vdc 0.6 – 5.5Vdc 2A Negative No * Special codes, consult factory before ordering Table 9. Coding Scheme TLynx Sequencing Input Output Output On/Off Options ROHS Compliance family feature. voltage current voltage logic range AP X S 002A0 X -SR -D Z X = w/o Seq. S = 3 - 14V 2.0A X = 4 = positive S = Surface D = 105C Z = ROHS6 programmable No entry = Mount operating output negative R = Tape&Reel ambient, 40G operating 4 = positive shock as per MIL Std 810F Contact Us For more information, call us at USA/Canada: +1 888 546 3243, or +1 972 244 9288 Asia-Pacific: +86.021.54279977*808 Europe, Middle-East and Africa: +49.89.878067-280 India: +91.80.28411633 www.gecriticalpower.com GE Critical Power reserves the right to make changes to the product(s) or information contained herein without notice, and no liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information. June 19, 2014 ©2014 General Electric Company. All International rights reserved. Version 1.14

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