Data Sheet GE TM 24 Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc – 30Vdc input; 5.0 Vdc to 15 Vdc output; 70W Output Power Features RoHS Compliant  Compliant to RoHS EU Directive 2011/65/EU (-Z 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)  Wide input voltage range: 20 to 30Vdc  Output voltage programmable via external resistor: 5Vdc to 15Vdc  High efficiency modules (VIN = 24Vdc) 97% at 12Vdc full load  Low output ripple and noise Applications  Monotonic start-up into pre-bias output  Distributed power architectures  Remote On/Off (Positive logic)  Intermediate bus voltage applications  Telecommunications equipment  Remote Sense  Wireless Base stations  Small size and low profile:  Industrial equipment 50.8 mm x 12.7 mm x 8.1 mm  LANs/WANs (2.00 in x 0.50 in x 0.32 in)  Enterprise Networks  Constant switching frequency  Latest generation IC’s (DSP, FPGA, ASIC) and  Wide operating temperature range (-40°C to 85°C) Microprocessor powered applications  Over current and Over temperature protection (non- latching) †  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 The Austin Lynx 24V series SIP power module is a non-isolated DC-DC converter in an industry standard package that can deliver up to 70W of output power with a full load efficiency of 97% at 12Vdc output voltage (VIN = 24Vdc). The module operates over a wide input voltage range (VIN = 20 – 30Vdc) and provides a precisely regulated output voltage from 5 to 15Vdc, programmable via an external resistor. Standard features include remote On/Off, adjustable output voltage, remote sense, over current and over temperature protection. * 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 20, 2016 ©2016 General Electric Company. All rights reserved. Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power 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 36 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 All VIN 20.0 24.0 30.0 Vdc Maximum Input Current All IIN,max 4.5 Adc (V = 20V, V = 12V, I = 6A) IN O O Input No Load Current Vo = 5.0Vdc IIN,No Load 60 mAdc (V = 24Vdc, Io = 0, module enabled) I 120 mAdc IN Vo = 12Vdc IN,No Load Input Stand-by Current I 3 mA Vo = 5.0Vdc IN,stand-by (VIN = 24Vdc, module disabled) Vo = 12Vdc IIN,stand-by 3 mA 2 2 Inrush Transient All 1 I t A s Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1μH source impedance; VIN=20V to 30V, All 50 mAp-p I = I ; See Figure 25) O Omax Input Ripple Rejection (120Hz) All 50 dB CAUTION: These power modules can be used in a wide variety of applications ranging from simple standalone operation to an integrated part of sophisticated power architectures. To preserve maximum flexibility, no internal fuse has been provided. Also, extensive safety testing has shown that no external fuse is required to protect the unit. However, it is still recommended that some type of current-limiting power source be used to protect the module and evaluated in the end-use equipment. January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 2 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Electrical Specifications (continued) Parameter Device Symbol Min Typ Max Unit Output Voltage Set-point All V -2.0 V +2.0 % V O, set O, set O, set (VIN=VN, min, IO=IO, max, TA=25°C) Output Voltage All V -3% +3% % V O, set  O, set (Over all operating input voltage, resistive load, and temperature conditions until end of life) Adjustment Range Selected by an external resistor All VO 5.0 15.0 Vdc Output Regulation Line (V =V to V ) All 0.4 % V IN IN, min IN, max   O, set Load (I =I to I ) All 0.4 % V O O, min O, max   O, set Temperature (T =T to T ) All 0.5 1 % V ref A, min A, max  O, set Output Ripple and Noise on nominal output (V =V and I =I to I IN IN, nom O O, min O, max Cout =0.01μF ceramic//10μFtantalum capacitors) Peak-to-Peak (5Hz to 20MHz bandwidth) All 100 200 mV  pk-pk External Capacitance ESR ≥ 1 mΩ All C 0 1,000 μF O, max  ESR ≥ 10 mΩ C 0 2,000 μF O, max  Output Current (VIN = VIN, nom) Vo = 5.0Vdc All Io,max 0 10 Adc V = 12.0Vdc 0 6 o Vo = 15.0Vdc 0 4.5 Output Power (VIN = VIN, nom) V =V to V All P 70 W o o,,min o,,max o Output Short-Circuit Current (VO≤250mV) ( Hiccup Mode ) All IO, s/c  20  Adc Efficiency V = O,set V = V , T =25°C η 93 % IN IN, nom A 5.0Vdc VO,set = I =I V = V η 97 % O O, max , O O,set 12.0Vdc V = O,set η 97 % 15.0Vdc Switching Frequency (Fixed) All fsw  300  kHz January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 3 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Electrical Specifications (continued) Parameter Device Symbol Min Typ Max Unit Dynamic Load Response (dIO/dt=5A/µs; VIN=VIN, nom TA=25°C) Load Change from Io= 50% to 100% of I ,max; No O external output capacitors Peak Deviation (Vo = 12Vdc) All Vpk 220 mV Settling Time (V <10% peak deviation) O All ts 50 µs (dIO/dt=5A/µs; VIN=VIN, nom; TA=25°C) Load Change from IO= 100% to 50%of IO, max: No external output capacitors Peak Deviation (Vo = 12Vdc) All V 220 mV pk Settling Time (V <10% peak deviation) O All ts 50 µs (dI /dt=5A/µs; V =V , ; T =25°C) O IN IN nom A Load Change from Io= 50% to 100% of Io,max; 2x150 μF polymer capacitor Peak Deviation (Vo = 12Vdc) All Vpk  130 mV Settling Time (V <10% peak deviation) O All ts  50 µs (dIO/dt=5A/µs; VIN=VIN, nom; TA=25°C) Load Change from Io= 100% to 50%of IO,max: 2x150 μF polymer capacitor Peak Deviation (Vo = 12Vdc) All Vpk 130 mV Settling Time (V <10% peak deviation) O All ts  50  µs General Specifications Parameter Device Min Typ Max Unit Calculated MTBF (VIN= VIN, nom, IO= 0.8IO, max, TA=40°C) Telecordia SR 332 All 8,035,510 Hours Issue 1: Method 1, case 3 Weight  6.4 (0.23)  g (oz.) January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 4 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power 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 (On/Off is open collector/drain logic input; Signal referenced to GND - See feature description section) Device is with suffix “4” – Positive Logic Logic High (On/Off pin open – Module ON) Input High Current All IIH  10 µA Input High Voltage All VIH 30 V VIN−2.5  Logic Low (Module OFF) Input Low Current All IIL   1 mA Input Low Voltage All VIL -0.3  1.2 V 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 All Tdelay 2 4 8 Msec input power is applied (delay from instant at which VIN = VIN, min until Vo = 10% of Vo, set) All Tdelay 2 4 8 Msec Case 2: Input power is applied for at least one second and then the On/Off input is enabled (delay from instant at which Von/Off is enabled until Vo = 10% of Vo, set) All Trise 2 5 9 Msec Output voltage Rise time (time for Vo to rise from 10% of Vo, set to 90% of Vo, set) Output voltage overshoot 3.0 % VO, set o I = I ; V – V , T = 25 C O O, max IN, min IN, max A Remote Sense Range ― ― 0.5 V Over temperature Protection All Tref  125 135 °C (See Thermal Consideration section) Input Undervoltage Lockout Turn-on Threshold All 19 Vdc Turn-off Threshold All 17 Vdc January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 5 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Characteristic Curves o The following figures provide typical characteristics for the AXB070X module at 12V, 6A and 25 C. 7 100 2 m/s (400LFM 6 95 5 Vin=20 90 0.5 m/s Vin=24 (100LFM) 4 NC Vin=30 85 1 m/s (200LFM 3 ) 80 2 75 1 70 0 0 1 2 3 4 5 6 20 30 40 50 60 70 80 90 O OUTPUT CURRENT, I (A) AMBIENT TEMPERATURE, Ta ( C) O Figure 1. Converter Efficiency versus Output Current Figure 4. Derating Output Current versus Local Ambient (Vout = 12Vdc). Temperature and Airflow (Vin = 24V). TIME, t (2ms/div) TIME, t (1µs/div)) Figure 2. Typical output ripple and noise Figure 5. Typical Start-up Using Remote On/Off (VIN = 24V, V = 12Vdc, Io = 6A). (VIN = 24V, V = 12Vdc, Io = 6A). o o TIME, t (2ms/div) TIME, t (50µs /div) Figure 3. Transient Response to Dynamic Load Change Figure 6. Typical Start-up Using Input Voltage (VIN = 24V, Io = 6A). from 50% to 100% with di/dt of 1A/µs. January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 6 OUTPUT CURRENT, OUTPUT VOLTAGEI (A) (2A/div) O OUTPUT VOLTAGE EFFICIENCY, (η) VO (V) (100mV/div) V (V) (50mV/div) O On/Off VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE OUTPUT VOLTAGE V (V) (10V/div) V (V) (5V/div) OUTPUT CURRENT, Io (A) On/off O VIN (V) (10V/div) VO (V) (5V/div) Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Characteristic Curves (continued) o The following figures provide typical characteristics for the AXB070X module at 5V, 10A and 25 C. 12 95 10 90 Vin=20 Vin=24 8 Vin=30 85 NC 0.5 m/s 6 (100LFM) 1 m/s 80 (200LFM) 4 2 m/s (400LFM) 75 2 70 0 0 2 4 6 8 10 20 30 40 50 60 70 80 90 O OUTPUT CURRENT, Io (A) AMBIENT TEMPERATURE, TA C Figure 7. Converter Efficiency versus Output Current. Figure 10. Derating Output Current versus Local Ambient Temperature and Airflow (V = 24V). IN TIME, t (1µs/div) TIME, t (2ms/div) Figure 8. Typical output ripple and noise Figure 11. Typical Start-up Using Remote On/Off (VIN = 24V, (VIN = 24V, VIo = 10A). Io = 10A). TIME, t (2ms/div) TIME, t (50µs/div) Figure 9. Transient Response to Dynamic Load change Figure 12. Typical Start-up Using Input Voltage from 50% to 100% with di/dt of 1A/µs. (VIN = 24V, Io = 10A). January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 7 OUTPUT VOLTAGE OUTPUT CURRENT OUTPUT VOLTAGE IO (A) (5A/div) V (V) (100mV/div) V (V) (50mV/div) EFFICIENCY, (η) O O INPUT VOLTAGE OUTPUT VOLTAGE INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT, Io (A) VIN (V) (10V/div) VO (V) (2V/div) VOn/Off (V) (10V/div) VO (V) (2V/div) Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Test Configurations Safety Considerations For safety agency approval the power module must be installed in compliance with the spacing and separation CURRENT PROBE TO OSCILLOSCOPE requirements of the end-use safety agency standards, i.e., UL 60950, CSA C22.2 No. 60950-00, EN60950 (VDE 0850) L TEST rd V (+) IN (IEC60950, 3 edition) Licensed. 1μH For the converter output to be considered meeting the requirements of safety extra-low voltage (SELV), the input must CIN CS 220μF meet SELV requirements. The power module has extra-low Min E.S.R.<0.1Ω 150μF voltage (ELV) outputs when all inputs are ELV. @ 20°C 100kHz COM NOTE: Measure input reflected ripple current with a simulated source inductance (L ) of 1μH. Capacitor C offsets TEST S possible battery impedance. Measure current as shown above. Figure 25. Input Reflected Ripple Current Test Setup. COPPER STRIP V (+) RESISTIVE O LOAD SCOPE GND 0.01uF 0.1uF 10uF GROUND PLANE 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 26. Output Ripple and Noise Test Setup. Rdistribution Rcontact Rcontact Rdistribution VIN(+) VO RLOAD V V IN O R R R R distribution contact contact distribution COM COM 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 27. Output Voltage and Efficiency Test Setup. V . I O O Efficiency = x 100 % η V . I IN IN January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 8 BATTERY Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Feature Description R R R R distribution contact contact distribution V (+) V IN O Remote On/Off TM Sense The Austin Lynx 24V SMT power modules feature an On/Off R pin for remote On/Off operation. Positive Logic On/Off signal, LOAD device code suffix “4”, turns the module ON during a logic High on the On/Off pin and turns the module OFF during a logic Low. Rdistribution Rcontact Rcontact Rdistribution COM COM For positive logic modules, the circuit configuration for using the On/Off pin is shown in Figure 28. The On/Off pin is an open Figure 29. Effective Circuit Configuration for Remote collector/drain logic input signal (Von/Off) that is referenced to Sense operation. ground. During a logic-high (On/Off pin is pulled high internal to the module) when the transistor Q1 is in the Off state, the power module is ON. Maximum allowable leakage current of Overcurrent Protection the transistor when Von/off = VIN,max is 10µA. Applying a logic- To provide protection in a fault (output overload) condition, the low when the transistor Q1 is turned-On, the power module is unit is equipped with internal current-limiting circuitry and can OFF. During this state VOn/Off must be less than 1.2V. When endure current limiting continuously. At the point of not using positive logic On/off pin, leave the pin unconnected current-limit inception, the unit enters hiccup mode. The unit or tie to VIN. operates normally once the output current is brought back into Lynx II Module its specified range. The average output current during hiccup is V (+) IN 20% I . O, max R2 Input Undervoltage Lockout Q2 On/Off At input voltages below the input undervoltage lockout limit, I on/off the module operation is disabled. The module will begin to + V on/off R1 operate at an input voltage above the undervoltage lockout PWM Enable turn-on threshold. R3 Q1 Css Q3 Overtemperature Protection R4 To provide protection in a fault condition, the unit is equipped GND - with a thermal shutdown circuit. The unit will shutdown if the o C is exceeded at the thermal overtemperature threshold of 130 Figure 28. Remote On/Off Implementation circuit. reference point T . The thermal shutdown is not intended as a ref guarantee that the unit will survive temperatures beyond its rating. Once the unit goes into thermal shutdown it will then Remote Sense wait to cool before attempting to restart. The Austin Lynx 24V power modules have a Remote Sense Output Voltage Programming feature to minimize the effects of distribution losses by The output voltage of the Austin Lynx 24V can be programmed regulating the voltage at the Remote Sense pin (See Figure 29). to any voltage in the specified ranges by connecting a resistor The voltage between the Sense pin and Vo pin must not exceed (shown as Rtrim in Figure 30) between the Trim and GND pins 0.5V. of the module. Without an external resistor between the Trim and GND pins, the output of the module will be at the low-end The amount of power delivered by the module is defined as the of the specified range. To calculate the value of the trim output voltage multiplied by the output current (Vo x Io). When resistor, Rtrim for a desired output voltage, use the following using Remote Sense, the output voltage of the module can equations: increase which increases the power output of 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 the output of the module. January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 9 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Feature Descriptions (continued) Vo Rmargin-down Output Voltage Programming Austin Lynx or Lynx II Series 10500   Rtrim= −1000Ω Q2   Vo− 5.021   Trim where, Rtrim is the external resistor in Ω and Vo is the desired output voltage Rmargin-up Rtrim V (+) V (+) IN O Q1 GND LOAD ON/OFF TRIM Figure 31. Circuit Configuration for margining the output voltage. Rtrim GND Figure 30. Circuit configuration to program output voltage using an external resistor. By using a ±0.5% tolerance trim resistor with a TC of ±100ppm, a set point tolerance of ±2% can be achieved as specified in the electrical specifications. 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. Voltage Margining Output voltage margining can be implemented in the Austin Lynx 24V modules by connecting a resistor, R , from the margin-up Trim pin to the ground pin for margining-up the output voltage and by connecting a resistor, R , from the Trim pin to margin-down output pin for margining-down. Figure 31 shows the circuit configuration for output voltage margining. The POL Programming Tool, available at www.GEcriticalpower.com under the Design Tools section, also calculates the values of Rmargin-up and Rmargin-down for a specific output voltage and % margin. Please consult your local GE technical representative for additional details. January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 10 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power The thermal reference point, Tref used in the specifications is 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 32. Note that the airflow is parallel to the long axis of the module as shown in figure 32. The derating data applies to airflow in either direction of the module’s long axis. Figure 33. T Temperature measurement location. ref 25.4_ Wind Tunnel (1.0) shown in Figure 33. For reliable operation this temperature o should not exceed 125 C. PWBs Power Module 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 76.2_ device temperatures. (3.0) x Probe Location for measuring 12.7_ airflow and (0.50) ambient temperature Air flow Figure 32. Thermal Test Set-up. January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 11 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power 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.) Side View Back View Pin Function 1 Vo 2 Vo 3 Vo,sense 4 Vo 5 GND 6 GND 7 VIN 8 VIN 9 TRIM 10 ON/OFF January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 12 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power 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 Vo 2 Vo 3 Vo,sense 4 Vo 5 GND 6 GND 7 VIN 8 VIN 9 TRIM 10 ON/OFF January 20, 2016 ©2016 General Electric Company. All rights reserved. Page 13 Data Sheet GE TM 24V Austin Lynx : Non-Isolated DC-DC Power Modules 20Vdc –30Vdc input; 5Vdc to 15Vdc output; 70W Output Power Ordering Information Please contact your GE Sales Representative for pricing, availability and optional features. Table 3. Device Code Connector Input On/Off Comcodes Output Output Power Type Device Code Voltage Range Logic Voltage AXB070X43 20 – 30Vdc 5.0 – 15.0Vdc 70W Positive TH CC109105616 -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 20, 2016 ©2015 General Electric Company. All International rights reserved. Version 1.09