Data Sheet GE TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Module 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Features  Compliant to RoHS EU Directive 2011/65/EU (-Z RoHS Compliant versions)  Compliant to RoHS EU Directive 2011/65/EU under exemption 7b (Lead solder exemption). Exemption 7b will expire after June 1, 2016 at which time this product will no longer be RoHS compliant (non-Z versions)  Delivers up to 16A output current  High efficiency – 92% at 3.3V full load (V = 12.0V) IN  Small size and low profile: 33.0 mm x 13.46 mm x 8.28 mm (1.30 in x 0.53 in x 0.326 in)  Low output ripple and noise Applications  High Reliability:  Distributed power architectures o Calculated MTBF = 4.4M hours at 25 C Full-load  Intermediate bus voltage applications  Constant switching frequency (300 kHz)  Telecommunications equipment  Output voltage programmable from 0.75 Vdc to  Servers and storage applications 5.5Vdc via external resistor  Networking equipment  Line Regulation: 0.3% (typical)  Enterprise Networks  Load Regulation: 0.4% (typical)  Latest generation IC’s (DSP, FPGA, ASIC) and  Temperature Regulation: 0.4 % (typical) Microprocessor powered applications  Remote On/Off  Remote Sense  Output overcurrent protection (non-latching)  Wide operating temperature range (-40°C to 85°C) †  UL* 60950-1Recognized, CSA C22.2 No. 60950-1- ‡ 03 Certified, and VDE 0805:2001-12 (EN60950-1) Licensed  ISO** 9001 and ISO 14001 certified manufacturing facilities Description TM Austin SuperLynx 12V SMT (surface mount technology) power modules are non-isolated DC-DC converters that can deliver up to 16A of output current with full load efficiency of 92% at 3.3V output. These modules provide a precisely regulated output voltage ranging from 0.75Vdc to 5.5Vdc, programmable via an external resistor over a wide range of input voltage (V = 10 – 14Vdc). IN * 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 January 14, 2016 ©2016 General Electric Company. All rights reserved. GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A 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 VIN -0.3 15 Vdc Continuous Operating Ambient Temperature All TA -40 85 °C (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 VO,set ≤ VIN – 0.5V VIN 10.0 12.0 14.0 Vdc Maximum Input Current All IIN,max 9.5 Adc (VIN=10.0V to 14.0V, IO=IO, max ) Input No Load Current V = 0.75 Vdc I 40 mA O,set IN,No load (V = 12.0Vdc, Io = 0, module enabled) V = 5.0Vdc I 100 mA IN O,set IN,No load Input Stand-by Current All IIN,stand-by 2 mA (V = 12.0Vdc, module disabled) IN 2 2 Inrush Transient All I t 0.4 A s Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1μH source impedance; V to V All 30 mAp-p IN, min IN, max, IO= IOmax ; See Test configuration section) Input Ripple Rejection (120Hz) All 30 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 being part of a complex 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 15 A (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. January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 2 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Electrical Specifications (continued) Parameter Device Symbol Min Typ Max Unit Output Voltage Set-point All VO, set -2.0 VO, set +2.0 % VO, set (V = , I =I , T =25°C) IN IN, min O O, max A Output Voltage All VO, set -2.5%  +3.5% % VO, set (Over all operating input voltage, resistive load, and temperature conditions until end of life) Adjustment Range All V 0.7525 5.5 Vdc O Selected by an external resistor Output Regulation Line (VIN=VIN, min to VIN, max) All  0.3  % VO, set Load (IO=IO, min to IO, max) All  0.4  % VO, set 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 Cout = 1μF ceramic//10μFtantalum capacitors) RMS (5Hz to 20MHz bandwidth) All 12 30 mV  rms Peak-to-Peak (5Hz to 20MHz bandwidth) All 30 75 mV  pk-pk External Capacitance ESR ≥ 1 mΩ All C 1000 μF O, max   ESR ≥ 10 mΩ All C 5000 μF O, max   Output Current All I 0 16 Adc o Output Current Limit Inception (Hiccup Mode ) All I 180 % I O, lim   o (VO= 90% of VO, set) Output Short-Circuit Current All I  3  Adc O, s/c (V ≤250mV) ( Hiccup Mode ) O Efficiency V = 0.75Vdc η 79.0 % O,set V = V , T =25°C V = 1.2Vdc η 85.0 % IN IN, nom A O, set I =I V = V V = 1.5Vdc η 87.0 % O O, max , O O,set O,set V = 1.8Vdc η 88.0 % O,set V = 2.5Vdc η 90.5 % O,set V = 3.3Vdc η 92.0 % O,set V = 5.0Vdc η 94.0 % O,set Switching Frequency All f 300 kHz sw   Dynamic Load Response (dIo/dt=2.5A/µs; V = V ; T =25°C) All V  200  mV IN IN, nom A pk Load Change from Io= 50% to 100% of Io,max; 1μF ceramic// 10 μF tantalum Peak Deviation Settling Time (Vo<10% peak deviation) All t 25 s   µs All V 200 mV (dIo/dt=2.5A/µs; VIN = VIN, nom; TA=25°C) pk   Load Change from Io= 100% to 50%of Io,max: 1μF ceramic// 10 μF tantalum Peak Deviation Settling Time (Vo<10% peak deviation) All t  25  µs s January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 3 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Electrical Specifications (continued) Parameter Device Symbol Min Typ Max Unit Dynamic Load Response (dIo/dt=2.5A/µs; V V = V ; T =25°C) All Vpk  100  mV IN IN, nom A Load Change from Io= 50% to 100% of Io,max; Co = 2x150 μF polymer capacitors Peak Deviation Settling Time (Vo<10% peak deviation) All t  50  µs s (dIo/dt=2.5A/µs; V = V ; T =25°C) All V  100  mV IN IN, nom A pk Load Change from Io= 100% to 50%of Io,max: Co = 2x150 μF polymer capacitors Peak Deviation Settling Time (Vo<10% peak deviation) All ts  50  µs General Specifications Parameter Min Typ Max Unit Calculated MTBF (I =I , T =25°C) 4,444,000 Hours O O, max A Weight  5.6 (0.2)  g (oz.) January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 4 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current 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 Remote On/Off Signal interface (VIN=VIN, min to VIN, max; Open collector npn or equivalent Compatible, Von/off signal referenced to GND See feature description section) Logic High (On/Off Voltage pin open - Module ON) Von/Off All VIH ― ― VIN V Ion/Off All IIH ― ― 10 μA Logic Low (Von/Off ≤ 0.3V – Module OFF) Von/Off All VIL ― ― 0.3 V Ion/off All IIL ― ― 1 mA Turn-On Delay and Rise Times o (IO=IO, max , VIN = VIN, nom, TA = 25 C, ) All Tdelay ― 3 ― msec Case 1: On/Off input is set to Logic Low (Module ON) and then input power is applied (delay from instant at which V =V until Vo=10% of Vo,set) IN IN, min All Tdelay ― 3 ― msec Case 2: Input power is applied for at least one second and then the On/Off input is set to logic Low (delay from instant at which Von/Off=0.3V until Vo=10% of Vo, set) All Trise ― 4 6 msec Output voltage Rise time (time for Vo to rise from 10% of Vo,set to 90% of Vo, set) 1 Output voltage overshoot – Startup ― % VO, set o IO= IO, max; VIN = 3.0 to 5.5Vdc, TA = 25 C Remote Sense Range ― ― 0.5 Overtemperature Protection All Tref  125  °C (See Thermal Consideration section) Input Undervoltage Lockout Turn-on Threshold All 8.2 V Turn-off Threshold All 8.0 V January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 5 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Characteristic Curves TM The following figures provide typical characteristics for the Austin SuperLynx 12V SMT modules at 25ºC. 90 94 92 88 90 86 88 84 86 82 84 80 82 78 80 76 Vin=14V Vin=14V 78 74 Vin=12V Vin=12V 76 72 Vin=10V Vin=10V 74 70 0 4 8 12 16 0 4 8 12 16 OUTPUT CURRENT, IO (A) OUTPUT CURRENT, IO (A) Figure 1. Converter Efficiency versus Output Current (Vout Figure 4. Converter Efficiency versus Output Current (Vout = = 0.75Vdc). 1.8Vdc). 90 94 88 92 86 90 88 84 86 82 84 80 82 78 80 76 Vin=14V Vin=14V 78 74 Vin=12V Vin=12V 76 72 Vin=10V Vin=10V 74 70 0 4 8 12 16 0 4 8 12 16 OUTPUT CURRENT, IO (A) OUTPUT CURRENT, IO (A) Figure 2. Converter Efficiency versus Output Current (Vout Figure 5. Converter Efficiency versus Output Current (Vout = = 1.2Vdc). 2.5Vdc). 92 96 94 90 92 88 90 86 88 84 86 82 84 80 82 78 80 Vin=14V Vin=14V 76 78 Vin=12V Vin=12V 76 74 Vin=10V Vin=10V 74 72 0 4 8 12 16 0 4 8 12 16 OUTPUT CURRENT, IO (A) OUTPUT CURRENT, IO (A) Figure 3. Converter Efficiency versus Output Current (Vout = Figure 6. Converter Efficiency versus Output Current (Vout = 1.5Vdc). 3.3Vdc). January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 6 EFFICIENCY, η (%) EFFICIENCY, η (%) EFFICIENCY, η (%) EFFICIENCY, η (%) EFFICIENCY, η (%) EFFICIENCY, η (%) GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Characteristic Curves (continued) TM The following figures provide typical characteristics for the Austin SuperLynx 12V SMT modules at 25ºC. 12 Io=0A 10 Io=8A 8 Io=16A 6 4 2 0 8 9 10 11 12 13 14 INPUT VOLTAGE, V (V) IN TIME, t (5 µs/div) Figure 7 . Input voltage vs. Input Current Figure 10. Transient Response to Dynamic Load Change from 50% to 100% of full load (Vo = 5.0Vdc). (Vout = 5.0Vdc). TIME, t (2µs/div) TIME, t (5 µs/div) Figure 8. Typical Output Ripple and Noise Figure 11. Transient Response to Dynamic Load Change from 100% to 50% of full load (Vo = 5.0 Vdc). (Vin = 12V dc, Vo = 2.5 Vdc, Io=16A). TIME, t (2µs/div) TIME, t (10µs/div) Figure 9. Typical Output Ripple and Noise Figure 12. Transient Response to Dynamic Load Change from 50% to 100% of full load (Vo = 5.0 Vdc, Cext = 2x150 μF (Vin = 12V dc, Vo = 5.0 Vdc, Io=16A). Polymer Capacitors). January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 7 OUTPUT VOLTAGE OUTPUT VOLTAGE INPUT CURRENT, I (A) VO (V) (20mV/div) VO (V) (20mV/div) IN OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT CURRENT, OUTPUT VOLTAGE I (A) (2A/div) V (V) (50mV/div) I (A) (2A/div) V (V) (200mV/div) I (A) (2A/div) V (V) (200mV/div) O O O O O O GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Characteristic Curves (continued) TM The following figures provide typical characteristics for the Austin SuperLynx 12V SMT modules at 25ºC. TIME, t (10µs/div) TIME, t (2 ms/div) Figure 13. Transient Response to Dynamic Load Change Figure 16. Typical Start-Up with application of Vin with low- from 100% of 50% full load (Vo = 5.0 Vdc, Cext = 2x150 μF ESR polymer capacitors at the output (7x150 μF) (Vin = 12Vdc, Polymer Capacitors). Vo = 5.0Vdc, Io = 16A, Co = 1050 μF). TIME, t (2 ms/div) TIME, t (2 ms/div) Figure 14. Typical Start-Up Using Remote On/Off Figure 17 Typical Start-Up with Prebias (Vin = 12Vdc, Vo = 5.0Vdc, Io = 1A, Vbias =3.3 Vdc). (Vin = 12Vdc, Vo = 5.0Vdc, Io =16A). TIME, t (2 ms/div) TIME, t (10ms/div) Figure 15. Typical Start-Up Using Remote On/Off with Low- Figure 18. Output short circuit Current (Vin = 12Vdc, Vo = ESR external capacitors (7x150uF Polymer) 0.75Vdc). (Vin = 12Vdc, Vo = 5.0Vdc, Io = 16A, Co = 1050µF). January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 8 OUTPUT VOLTAGE On/Off VOLTAGE OUTPUT VOLTAGE On/Off VOLTAGE OUTPUT CURRENT OUTPUTVOLTAGE VOV) (2V/div) VOn/off (V) (5V/div) VOV) (2V/div) VOn/off (V) (5V/div) IO (A) (2A/div) VO (V) (100mV/div) OUTPUT CURRENT, OUTPUT VOLTAGE OUTPUT VOLTAGE, INPUT VOLTAGE I (A) (10A/div) V V) (1V/div) V (V) (2V/div) V (V) (5V/div) O O o IN GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Characteristic Curves (continued) TM The following figures provide thermal derating curves for the Austin SuperLynx 12V SMT modules. 18 18 16 16 14 14 12 12 10 10 NC NC 8 8 100 LFM 100 LFM 6 6 200 LFM 200 LFM 4 4 300 LFM 300 LFM 2 2 400 LFM 400 LFM 0 0 20 30 40 50 60 70 80 90 20 30 40 50 60 70 80 90 O O AMBIENT TEMPERATURE, TA C AMBIENT TEMPERATURE, TA C Figure 19. Derating Output Current versus Local Ambient Figure 22. Derating Output Current versus Local Ambient Temperature and Airflow (Vin = 12Vdc, Vo=0.75Vdc). Temperature and Airflow (Vin = 12Vdc, Vo=5.0 Vdc). 18 16 14 12 10 NC 8 100 LFM 6 200 LFM 4 300 LFM 2 400 LFM 0 20 30 40 50 60 70 80 90 O AMBIENT TEMPERATURE, TA C Figure 20. Derating Output Current versus Local Ambient Temperature and Airflow (Vin = 12Vdc, Vo=1.8 Vdc). 18 16 14 12 10 NC 8 100 LFM 6 200 LFM 4 300 LFM 2 400 LFM 0 20 30 40 50 60 70 80 90 O AMBIENT TEMPERATURE, T C A Figure 21. Derating Output Current versus Local Ambient Temperature and Airflow (Vin = 12Vdc, Vo=3.3 Vdc). Test Configurations January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 9 OUTPUT CURRENT, Io (A) OUTPUT CURRENT, Io (A) OUTPUT CURRENT, Io (A) OUTPUT CURRENT, Io (A) GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current CURRENT PROBE TO OSCILLOSCOPE Design Considerations L TEST Input Filtering V (+) IN 1μH TM The Austin SuperLynx 12V SMT module should be connected to a low-impedance source. A highly inductive source can CIN C 1000μF S Electrolytic affect the stability of the module. An input capacitance must 2x100μF E.S.R.<0.1Ω Tantalum be placed directly adjacent to the input pin of the module, to @ 20°C 100kHz minimize input ripple voltage and ensure module stability. COM In a typical application, 6x47 µF low-ESR tantalum capacitors NOTE: Measure input reflected ripple current with a simulated source inductance (L ) of 1μH. Capacitor C offsets TEST S (AVX part #: TPSE476M025R0100, 47µF 25V 100 mΩ ESR possible battery impedance. Measure current as shown tantalum capacitor) will be sufficient to provide adequate ripple above. voltage at the input of the module. To further minimize ripple Figure 23. Input Reflected Ripple Current Test Setup. voltage at the input, very low ESR ceramic capacitors are recommended at the input of the module. Figure 26 shows input ripple voltage (mVp-p) for various outputs with 6x47 µF COPPER STRIP tantalum capacitors and with 6x22 µF ceramic capacitor (TDK part #: C4532X5R1C226M) at full load. . V O (+) RESISTIVE LOAD 1uF . 350 10uF SCOPE COM 300 GROUND PLANE 250 NOTE: All voltage measurements to be taken at the module terminals, as shown above. If sockets are used then 200 Kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. 150 Figure 24. Output Ripple and Noise Test Setup. 100 Tantalum 50 R R R R distribution contact contact distribution V (+) V IN O Ceramic 0 0 1 2 3 4 5 6 RLOAD V VIN O Output Voltage (Vdc) Figure 26. Input ripple voltage for various output with 6x47 Rdistribution Rcontact Rcontact Rdistribution µF tantalum capacitors and with 6x22 µF ceramic capacitors COM COM at the input (full load). NOTE: All voltage measurements to be taken at the module terminals, as shown above. If sockets are used then Kelvin connections are required at the module terminals to avoid measurement errors due to socket contact resistance. Figure 25. Output Voltage and Efficiency Test Setup. V . I O O Efficiency η = x 100 % V . I IN IN January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 10 BATTERY Input Ripple Voltage (mVp-p) GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Design Considerations (continued) Safety Considerations For safety agency approval the power module must be Output Filtering installed in compliance with the spacing and separation TM The Austin SuperLynx 12V SMT module is designed for low requirements of the end-use safety agency standards, i.e., UL output ripple voltage and will meet the maximum output ripple 60950-1, CSA C22.2 No. 60950-1-03, and VDE 0850:2001-12 specification with 1 µF ceramic and 10 µF tantalum capacitors (EN60950-1) Licensed. at the output of the module. However, additional output filtering may be required by the system designer for a number For the converter output to be considered meeting the of reasons. First, there may be a need to further reduce the requirements of safety extra-low voltage (SELV), the input must output ripple and noise of the module. Second, the dynamic meet SELV requirements. The power module has extra-low response characteristics may need to be customized to a voltage (ELV) outputs when all inputs are ELV. particular load step change. The input to these units is to be provided with a fast-acting fuse with a maximum rating of 15A in the positive input lead. To reduce the output ripple and improve the dynamic response to a step load change, additional capacitance at the output can be used. Low ESR polymer and ceramic capacitors are recommended to improve the dynamic response of the module. For stable operation of the module, limit the capacitance to less than the maximum output capacitance as specified in the electrical specification table. January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 11 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Output Voltage Programming Feature Description TM The output voltage of the Austin SuperLynx 12V can be Remote On/Off programmed to any voltage from 0.75Vdc to 5.5Vdc by TM The Austin SuperLynx 12V SMT power modules feature an connecting a resistor (shown as Rtrim in Figure 28) between On/Off pin for remote On/Off operation of the module. If not the Trim and GND pins of the module. Without an external using the remote On/Off pin, leave the pin open (module will be resistor between the Trim and GND pins, the output of the On). The On/Off pin signal (Von/Off) is referenced to ground. To module will be 0.7525Vdc. To calculate the value of the trim switch the module on and off using remote On/Off, connect an resistor, Rtrim for a desired output voltage, use the following open collector npn transistor between the On/Off pin and GND equation: (See Figure 27). 10500   Rtrim= −1000Ω   Vo− 0.7525   During a logic-high (On/Off pin is pulled high internal to the module) when the transistor is in the Off state, the power Rtrim is the external resistor in Ω module is ON. The maximum allowable leakage current of the Vo is the desired output voltage transistor when Von/off = VIN,max is 10µA. During a logic-low when the transistor is turned-on, the power module is OFF. For example, to program the output voltage of the Austin During this state VOn/Off is less than 0.3V and the maximum TM SuperLynx 12V module to 1.8V, Rtrim is calculated as follows: IOn/Off = 1mA. 10500   V (+) IN Rtrim= −1000   1.8− 0.75   20k Rtrim= 9.024kΩ On/Off 20k V (+) V (+) IN O I on/off + Enable 20k Von/off Css - LOAD ON/OFF TRIM GND 20k Rtrim Figure 27. Remote On/Off Implementation. GND Overcurrent Protection To provide protection in a fault (output overload) condition, the unit is equipped with internal current-limiting circuitry and can Figure 28. Circuit configuration to program output voltage endure current limiting continuously. At the point of using an external resistor. current-limit inception, the unit enters hiccup mode. The unit operates normally once the output current is brought back into TM Austin SuperLynx 12Vdc can also be programmed by its specified range. The typical average output current during applying a voltage between the TRIM and GND pins (Figure hiccup is 3A. 29). The following equation can be used to determine the Input Undervoltage Lockout value of Vtrim needed to obtain a desired output voltage Vo: Vtrim=(0.7− 0.0667×{Vo− 0.7525}) At input voltages below the input undervoltage lockout limit, TM module operation is disabled. The module will begin to operate For example, to program the output voltage of a SuperLynx at an input voltage above the undervoltage lockout turn-on module to 3.3 Vdc, Vtrim is calculated as follows: threshold. Vtrim= (0.7− 0.0667×{3.3− 0.7525}) Overtemperature Protection Vtrim= 0.530V To provide protection in a fault condition, the unit is equipped with a thermal shutdown circuit. The unit will shutdown if the o thermal reference point Tref, exceeds 125 C (typical), but the thermal shutdown is not intended as a guarantee that the unit will survive temperatures beyond its rating. The module will automatically restarts after it cools down. January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 12 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current to ensure that the maximum output power of the module Feature Descriptions (continued) remains at or below the maximum rated power (Pmax = Vo,set x I ). o,max Output Voltage Programming (continued) Voltage Margining V (+) V (+) IN O Output voltage margining can be implemented in the Austin TM SuperLynx 12V SMT modules by connecting a resistor, Rmargin- , from the Trim pin to the ground pin for margining-up the up ON/OFF output voltage and by connecting a resistor, Rmargin-down, from LOAD TRIM the Trim pin to the Output pin for margining-down. Figure 30 shows the circuit configuration for output voltage margining. + The POL Programming Tool, available at V tri m - www.gecriticalpower.com under the Design Tools section, also GND calculates the values of R and R for a specific margin-up margin-down output voltage and % margin. Please consult your local GE Figure 29. Circuit Configuration for programming Output technical representative for additional details. voltage using external voltage source. Table 1 provides Rtrim values for some common output Vo voltages, while Table 2 provides values of the external Rmargin-down voltage source, Vtrim for same common output voltages. Austin Lynx or Table 1 Lynx II Series V (V) Rtrim (KΩ) O, set Q2 0.7525 Open Trim 1.2 22.46 1.5 13.05 Rmargin-up 1.8 9.024 Rtrim 2.5 5.009 3.3 3.122 Q1 5.0 1.472 GND Table 2 Figure 30. Circuit Configuration for margining Output VO, set (V) Vtrim (V) voltage. 0.7525 Open 1.2 0.670 1.5 0.650 1.8 0.630 2.5 0.583 3.3 0.530 5.0 0.4166 By using a 1% tolerance trim resistor, set point tolerance of ±2% is achieved as specified in the electrical specification. The POL Programming Tool, available at www.gecriticalpower.com under the Design Tools section, helps determine the required external trim resistor needed for a specific output voltage. The amount of power delivered by the module is defined as the voltage at the output terminals multiplied by the output current. When using the trim feature, the output voltage of the module can be increased, which at the same output current would increase the power output of the module. Care should be taken January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 13 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Feature Descriptions (continued) Remote Sense TM The Austin SuperLynx 12V 12V SMTpower modules have a Remote Sense feature to minimize the effects of distribution losses by regulating the voltage at the Remote Sense pin (See Figure 31). The voltage between the Sense pin and Vo pin must not exceed 0.5V. The amount of power delivered by the module is defined as the output voltage multiplied by the output current (Vo x Io). When using Remote Sense, the output voltage of the module can increase, which if the same output is maintained, increases the power output by the module. Make sure that the maximum output power of the module remains at or below the maximum rated power. When the Remote Sense feature is not being used, connect the Remote Sense pin to output pin. R R R R distribution contact contact distribution VIN(+) VO Sense RLOAD Rdistribution Rcontact Rcontact Rdistribution COM COM Figure 31. Remote sense circuit configuration. January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 14 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current 25.4_ Thermal Considerations Wind Tunnel (1.0) Power modules operate in a variety of thermal environments; PWBs however, sufficient cooling should always be provided to help Power Module 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 76.2_ based on physical measurements taken in a wind tunnel. The (3.0) test set-up is shown in Figure 33. Note that the airflow is parallel to the short axis of the module as shown in figure 32. x The derating data applies to airflow in either direction of the module’s short axis. Probe Location for measuring 5.97_ airflow and (0.235) ambient temperature Air flow Figure 33. Thermal Test Set-up. Heat Transfer via Convection Increased airflow over the module enhances the heat transfer via convection. Thermal derating curves showing the maximum output current that can be delivered at different local ambient temperature (TA) for airflow conditions ranging from natural convection and up to 2m/s (400 ft./min) are shown in the Characteristics Curves section. Figure 32. T Temperature measurement location. ref The thermal reference point, Tref used in the specifications is shown in Figure 32. For reliable operation this temperature o should not exceed 115 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. January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 15 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A 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.) January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 16 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A 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.) Name Pin No. Function ON/OFF 1 Remote On/Off Control Vin 2 Positive Input Voltage GND 4 Common Ground Vout 5 Positive Output Voltage TRIM 6 Output Voltage Trim SENSE 7 Positive Remote Sense January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 17 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Packaging Details TM The Austin SuperLynx 12V SMTversion is supplied in tape & reel as standard. Modules are shipped in quantities of 250 modules per reel. All Dimensions are in millimeters and (in inches). Reel Dimensions Outside diameter: 330.2 mm (13.00) Inside diameter: 177.8 mm (7.00”) Tape Width: 44.0 mm (1.73”) January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 18 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Surface Mount Information time must be allowed to fuse the plating on the connection Pick and Place to ensure a reliable solder joint. There are several types of TM The Austin SuperLynx 12V SMT modules use an open SMT reflow technologies currently used in the industry. frame construction and are designed for a fully automated These surface mount power modules can be reliably assembly process. The modules are fitted with a label soldered using natural forced convection, IR (radiant designed to provide a large surface area for pick and place infrared), or a combination of convection/IR. For reliable operations. The label meets all the requirements for surface soldering the solder reflow profile should be established by mount processing, as well as safety standards, and is able to accurately measuring the modules pin temperatures. o withstand reflow temperatures of up to 300 C. The label also carries product information such as product code, serial number and the location of manufacture. Figure 35. Reflow Profile. An example of a reflow profile (using 63/37 solder) for the Figure 34. Pick and Place Location. TM Austin SuperLynx 12V SMT power module is : o • Pre-heating zone: room temperature to 183 C (2.0 to 4.0 minutes maximum) Nozzle Recommendations o • Initial ramp rate < 2.5 C per second The module weight has been kept to a minimum by using o o • Soaking Zone: 155 C to 183 C – 60 to 90 seconds open frame construction. Even so, these modules have a typical (2.0 minutes maximum) relatively large mass when compared to conventional SMT o o • Reflow zone ramp rate:1.3 C to 1.6 C per second components. Variables such as nozzle size, tip style, o o • Reflow zone: 210 C to 235 C peak temperature – 30 to vacuum pressure and placement speed should be 60 seconds (90 seconds maximum considered to optimize this process. The minimum recommended nozzle diameter for reliable operation is 6mm. The maximum nozzle outer diameter, which will safely fit within the allowable component spacing, is 9 mm. Oblong or oval nozzles up to 11 x 9 mm may also be used within the space available. Reflow Soldering Information TM The Austin SuperLynx 12V SMT power modules are large mass, low thermal resistance devices and typically heat up slower than other SMT components. It is recommended that the customer review data sheets in order to customize the solder reflow profile for each application board assembly. The following instructions must be observed when soldering these units. Failure to observe these instructions may result in the failure of or cause damage to the modules, and can adversely affect long-term reliability. o Typically, the eutectic solder melts at 183 C, wets the land, and subsequently wicks the device connection. Sufficient January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 19 GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current packages should not be broken until time of use. Once the Surface Mount Information (continued) original package is broken, the floor life of the product at Lead Free Soldering conditions of <= 30°C and 60% relative humidity varies according to the MSL rating (see J-STD-033A). The shelf life The –Z version Austin SuperLynx 12V SMT modules are lead- for dry packed SMT packages will be a minimum of 12 free (Pb-free) and RoHS compliant and are both forward and months from the bag seal date, when stored at the following backward compatible in a Pb-free and a SnPb soldering conditions: < 40° C, < 90% relative humidity. process. Failure to observe the instructions below may result in the failure of or cause damage to the modules and can adversely affect long-term reliability. Post Solder Cleaning and Drying Considerations Post solder cleaning is usually the final circuit-board Pb-free Reflow Profile assembly process prior to electrical board testing. The result of inadequate cleaning and drying can affect both the Power Systems will comply with J-STD-020 Rev. C reliability of a power module and the testability of the (Moisture/Reflow Sensitivity Classification for Nonhermetic finished circuit-board assembly. For guidance on Solid State Surface Mount Devices) for both Pb-free solder appropriate soldering, cleaning and drying procedures, refer profiles and MSL classification procedures. This standard to Board Mounted Power Modules: Soldering and Cleaning provides a recommended forced-air-convection reflow Application Note (AN04-001). profile based on the volume and thickness of the package (table 4-2). The suggested Pb-free solder paste is Sn/Ag/Cu 300 (SAC). The recommended linear reflow profile using Sn/Ag/Cu Per J-STD-020 Rev. C Peak Temp 260°C solder is shown in Figure. 36. 250 Cooling 200 Zone MSL Rating * Min. Time Above 235°C 15 Seconds 150 Heating Zone *Time Above 217°C The Austin SuperLynx 12V SMT modules have a MSL rating of 1°C/Second 60 Seconds 2a. 100 50 Storage and Handling The recommended storage environment and handling 0 procedures for moisture-sensitive surface mount packages Reflow Time (Seconds) is detailed in J-STD-033 Rev. A (Handling, Packing, Shipping Figure 36. Recommended linear reflow profile using and Use of Moisture/Reflow Sensitive Surface Mount Sn/Ag/Cu solder. Devices). Moisture barrier bags (MBB) with desiccant are required for MSL ratings of 2 or greater. These sealed January 14, 2016 ©2016 General Electric Company. All rights reserved. Page 20 Reflow Temp (°C) GE Data Sheet TM 12V Austin SuperLynx 16A: Non-Isolated DC-DC Power Modules 10Vdc –14Vdc input; 0.75Vdc to 5.5Vdc output; 16A Output Current Ordering Information Please contact your GE Sales Representative for pricing, availability and optional features. Table 3. Device Codes Input Voltage Efficiency Connector Comcodes Output Output Device Code Range 3.3V @ 16A Type Voltage Current AXA016A0X3-SR 10 – 14Vdc 0.75V – 5.5Vdc 16 A SMT 108982661 92.0% AXA016A0X3-SRZ 10 – 14Vdc 0.75V – 5.5Vdc 16 A SMT CC109104840 92.0% AXA016A0X3-SR12* 10 – 14Vdc 0.75V – 5.5Vdc 16 A 92.0% SMT 108993424 AXA016A0X3-SR12Z* 10 – 14Vdc 0.75V – 5.5Vdc 16 A 92.0% SMT CC109104485 * -12 code has 100Ω resistor between sense and output pins, internal to the module. Standard code, without –12 suffix, has 10Ω resistor between sense and output pins. -Z refers to RoHS compliant codes Contact Us For more information, call us at USA/Canada: +1 877 546 3243, or +1 972 244 9288 Asia-Pacific: +86.021.54279977*808 Europe, Middle-East and Africa: +49.89.878067-280 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. January 14, 2016 ©2016 General Electric Company. All International rights reserved. Version 1.72