Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Features Applications Delivers 10A output current High efficiency: 94% at 3.3V output at full load Small size and low profile 33 mm x 13.5 mm x 8.3 mm (1.3 in x 0.53 in x 0.33 in) Light Weight 0.23 oz (6.5 g) High Reliability: Calculated MTBF > 10M hours at 25 C Cost-efficient open frame design Wide operating temperature range: -40 C to + 85 C Workstations, Servers, and Desktop computers Distributed Power Architectures Surface Mount Package, Tape & Reel Telecommunications equipment Output overcurrent protection with auto-restart Latest generation ICs (DSP, FPGA, ASIC) and Microprocessor-powered applications Overtemperature protection Constant frequency (300 kHz) LANs/WANs Data processing Equipment Adjustable output voltage: 10% of VO (-5% to + 10% for 0.9 V output) Remote ON/OFF Options Remote Sense UL 60950 Recognized, CSA 22.2 No. 60950-00 Certified, and EN60950 (VDE 0805):2001-12 Licensed 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. Description Austin LynxTM power modules are non-isolated dc-dc converters that can deliver 10 A of output current with full load efficiency of 94% at 3.3 V output. These open frame modules in surface-mount-package enable designers to develop cost-and space efficient solutions. Standard features include remote ON/OFF, output voltage adjustment, overcurrent and overtemperature protection. Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute maximum 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 device reliability. Parameter Input Voltage Continuous Operating Ambient Temperature Storage Temperature Symbol Min Max Unit VIN TA Tstg 0 -40 -55 6.5 +85 +125 Vdc C C Electrical Specifications Table 1. Input Specifications Parameter Operating Input Voltage Maximum Input Current (VI = 0 to VI,max; IO = IO,max) Input Reflected-Ripple Current (5 Hz to 20 MHz; 1 H source impedance; TA = 25 C; C IN = 200 F) Input Ripple Rejection (100 - 120Hz) Symbol Min VIN 3.0 Typ II,max Max Unit 5.5 Vdc 9.5 A 30 mAp-p 40 dB Fusing Considerations CAUTION: This power module is not internally fused. An input line fuse must always be used. 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 20A. Tyco Electronics Corp. 2 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Electrical Specifications (continued) Table 2. Output Specifications Parameter Output Voltage Set Point (VI = 5V; IO = IO,max; TA = 25 C) Output Voltage (Over all Line, Load, and Temperature conditions until end of life) Output Regulation Line (VI = VI,min to VI,max) Load (IO = IO,min to IO,max) Temperature (TA = -40 C to +85 C) Output Ripple & Noise Cout = 10 F Tantalum, 1 F Ceramic RMS Peak-to-Peak (5 Hz to 20 MHz) Output Current Output Current Limit Inception (VO = 90% VO,set) Output Short Circuit Current (average) Efficiency (VI = 5V; IO = IO,max; TA = 25C) Switching Frequency Tyco Electronics Corp. Device Symbol Min Typ Max Units AXH010A0S0R9-SR AXH010A0S1R0-SR AXH010A0P-SR AXH010A0M-SR AXH010A0Y-SR AXH010A0D-SR AXH010A0G-SR AXH010A0F-SR AXH010A0S0R9-SR AXH010A0S1R0-SR AXH010A0P-SR AXH010A0M-SR AXH010A0Y-SR AXH010A0D-SR AXH010A0G-SR AXH010A0F-SR VO,set VO,set VO,set VO,set VO,set VO,set VO,set VO,set VO VO VO VO VO VO VO VO 0.886 0.985 1.182 1.47 1.764 1.97 2.45 3.234 0.873 0.970 1.164 1.455 1.746 1.94 2.425 3.2 0.9 1.0 1.2 1.5 1.8 2.0 2.5 3.3 -- -- -- -- -- -- -- -- 0.914 1.015 1.218 1.53 1.836 2.03 2.55 3.366 0.927 1.03 1.236 1.545 1.854 2.06 2.575 3.4 Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc All All All -- -- -- -- -- -- 0.2 0.4 0.5 All All All -- -- IO -- -- 7 25 -- All All AXH010A0S0R9-SR AXH010A0S1R0-SR AXH010A0P-SR AXH010A0M-SR AXH010A0Y-SR AXH010A0D-SR AXH010A0G-SR AXH010A0F-SR All IO IO fsw -- 17 3 81 83 85 87 89 89 91 94 300 %VO, set %VO, set %VO, set 15 30 10 mVrms mVp-p A -- A A % % % % % % % % kHz 3 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A General Specifications Parameter Min Calculated MTBF (IO = 100% of IO, max; TA = 25 C) Typ Max Unit 6.5 (0.23) g (oz.) 10,240,000 Weight 5.5 (0.19) hours Solder Ball and Cleanliness Requirements This open frame (no case or potting) module will meet the solder ball requirements per J-STD-001B. These requirements state that solder balls must neither be loose nor violate the power module minimum electrical spacing. The cleanliness designator of the open frame module is C00 (per J specification). Feature Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See Feature Descriptions and Design Considerations sections for further information. Parameter Remote On/Off Signal Interface (VI = 3.0 V to 5.5 V; open collector npn transistor or equivalent compatible; signal referenced to GND terminal; see Figure 20 and Feature Descriptions section) (ON/OFF pin open)--Module On: Ion/off = 0.0 A Von/off = VIN (ON/OFF < 0.8 V)--Module Off: Ion/off = 0.5 mA Von/off = 0.8 V Turn-on Time (IO = 80% of IO, max; VO within 1% of steady state; see Figure 12) Output Voltage Set-point Adjustment Range Overtemperature Protection (shutdown) Tyco Electronics Corp. Device Symbol All Min Typ Max Unit Ion/off 50 A All All All Von/off Ion/off -- 6.5 1 V mA ms AXH010A0S0R99-SR All others Vtrim Vtrim -5 -10 +10 +10 %VO, set %VO, set All TQ1 / TQ2 -- 125 C 5 110 4 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Characteristic Curves Following figures provide typical characteristics curves at room temperature (TA = 25 C) 93 II, max = 9.5 A 10 EFFICIENCY, (%) INPUT CURRENT, II (A) 12 8 6 4 2 0 90 87 84 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 81 2 2.5 3 3.5 4 4.5 INPUT VOLTAGE, VI (V) 5 5.5 781 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) 9 1-0606 Typical Input Characteristic at 10 A Output Current 1-0636 Figure 4. Converter Efficiency vs. Output Current AXH010A0S1R0-SR (1.0 V Output Voltage) 92 90 100% VI VI VI VI 75% = = = = EFFICIENCY, (%) NORMALIZED OUTPUT VOLTAGE, VO Figure 1. 5.5 V 5.0 V 3.3 V 3.0 V 50% 25% 88 86 84 82 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 80 78 76 1 0% 0 3 6 9 12 OUTPUT CURRENT, IO (A) 18 15 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) 9 1-0607 Figure 2. Output Voltage and current Characteristics Figure 5. 91 94 88 92 85 82 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 79 76 1 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) Converter Efficiency vs. Output Current AXH010A0P-SR (1.2 V Output Voltage) 90 88 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 86 9 10 84 1 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) 9 1-0635 Figure 3. Converter Efficiency vs. Output Current AXH010A0S0R9-SR (0.9 V Output Voltage) Tyco Electronics Corp. 10 1-0637 EFFICIENCY, (%) EFFICIENCY, (%) 10 10 1-0638 Figure 6. Converter Efficiency vs. Output Current AXH010A0M-SR (1.5 V Output Voltage) 5 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Characteristic Curves (continued) 97 96 EFFICIENCY, (%) EFFICIENCY, (%) 94 92 90 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 88 86 1 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) 9 96 95 93 1 10 VI = 4.5 V VI = 5.0 V VI = 5.5 V 94 2 3 4 5 6 7 8 OUTPUT CURRENT IO (A) 9 1-0639 Figure 7. Converter Efficiency vs. Output Current AXH010A0Y-SR (1.8 V Output Voltage) 1-0642 Figure 10. Converter Efficiency vs. Output Current AXH010A0F-SR (3.3 V Output Voltage) 96 VI = 3.0 V OUTPUT VOLTAGE, VO (V) (20 mV/div) EFFICIENCY, (%) 94 92 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 90 88 1 2 3 4 5 6 7 OUTPUT CURRENT, IO (A) 8 9 VI = 3.3 V VI = 5.0 V VI = 5.5 V 10 TIME, t (2 s/div) 1-0640 Figure 8. Converter Efficiency vs. Output Current AXH010A0D-SR (2.0 V Output Voltage) 10 A Output Current VIN SOURCE 95 93 VI = 3.0 V VI = 3.3 V VI = 5.0 V VI = 5.5 V 91 1 2 3 4 5 6 7 8 OUTPUT CURRENT, IO (A) 9 10 OUTPUT VOLTAGE, VO (V) EFFICIENCY, (%) 1-0646 Figure 11. Typical Output Ripple Voltage at 97 89 10 TIME, t (2 ms/div) 1-0641 Figure 9. Converter Efficiency vs. Output Current AXH010A0G-SR (2.5 V Output Voltage) Tyco Electronics Corp. 1-0605 Figure 12. Typical Start-Up Transient 6 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A OUTPUT CURRENT IO ( 2.5 A/div) OUTPUT CURRENT IO ( 2.5 A/div) OUTPUT VOLTAGE VO (100 mV/div) OUTPUT VOLTAGE VO (100 mV/div) Characteristic Curves (continued) TIME, t (5 s/div) TIME, t (5 s/div) 1-0649 Figure 13. Typical Transient Response to Step Load Change at 2.5 A/s from 100% to 50% of IO,max at 3.3 V Input (COUT = 1 F ceramic, 10 F Tantalum) Tyco Electronics Corp. 1-0650 Figure 14. Typical Transient Response to Step Load Change at 2.5 A/s from 50% to 100% of IO,max at 3.3 V Input (COUT = 1 F ceramic, 10 F Tantalum) 7 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Test Configurations Design Considerations Input Source Impedance TO OSCILLOSCOPE L VI (+) 1 H CS 220 F ESR < 0.1 @ 20 C, 100 kHz BATTERY 2 x 100F Tantalum VI (-) 8-203 Note: Input reflected-ripple current is measured with a simulated source inductance of 1H. Capacitor Cs offsets possible battery impedance. Current is measured at the input of the module. To maintain low-noise and ripple at the input voltage, it is critical to use low ESR capacitors at the input to the module. Figure 18 shows the input ripple voltage (mVpp) for various output models using a 150 F low ESR polymer capacitor (Panasonic p/n: EEFUE0J151R, Sanyo p/n: 6TPE150M) in parallel with 47 F ceramic capacitor (Panasonic p/n: ECJ-5YB0J476M, Taiyo Yuden p/n: CEJMK432BJ476MMT). Figure 19 depicts much lower input voltage ripple when input capacitance is increased to 450 F (3 x 150 F) polymer capacitors in parallel with 94 F (2 x 47 F) ceramic capacitor. The input capacitance should be able to handle an AC ripple current of at least: V out V out I rms = Iout ---------- 1 - --------V in V in Figure 15. Input Reflected-Ripple Test Setup A rms 200 VO 1F 10 F CERAMIC TANTALUM RESISTIVE LOAD SCOPE GND 8-513 Input Voltage Noise (mV p-p) COPPER STRIP 150 100 VIN = 5 V VIN = 3.3 V 50 Note: Use a 10 F tantalum and a 1 F capacitor. Scope measurement should be made using a BNC socket. Position the load between 51 mm and 76 mm (2 in. and 3 in.) from the module. Figure 16. Peak-to-Peak Output Noise and Startup Transient Measurement Test Setup CONTACT AND DISTRIBUTION LOSSES IO LOAD GND CONTACT RESISTANCE 8-1173 Note: All measurements are taken at the module terminals. When socketing, place Kelvin connections at module terminals to avoid measurement errors due to socket contact resistance. V O x IO = ----------------------- x 100 V I x II % Figure 17. Output Voltage and Efficiency Measurement Test Setup Tyco Electronics Corp. 1 1.5 2 2.5 3 Output Voltage (Vdc) 1-0781 Figure 18. Input Voltage Ripple for Various Output Models, IO = 10 A (CIN = 150 F polymer // 47 F ceramic) 100 VO II SUPPLY 0.5 Input Voltage Noise (mV p-p) VI 0 75 50 VIN = 5 V VIN = 3.3 V 25 0 0.5 1 1.5 2 Output Voltage (Vdc) 2.5 3 1-0782 Figure 19. Input Voltage Ripple for Various Output Models, IO = 10 A (CIN = 3x150 F polymer // 2x47 F ceramic) 8 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Design Considerations (continued) Feature Descriptions Input Source Impedance (continued) Remote On/Off The power module should be connected to a low acimpedance input source. Highly inductive source impedances can affect the stability of the module. An input capacitance must be placed close to the input pins of the module, to filter ripple current and ensure module stability in the presence of inductive traces that supply the input voltage to the module. The Austin LynxTM SMT power module features an ON/OFF control pin for remote on/off operation. To switch the module on and off, connect an open collector npn transistor between the ON/OFF pin and the GND pin (see Figure 20). Safety Considerations For safety-agency approval the power module must be installed in compliance with the spacing and separation requirements of the end-use safety agency standard, i.e., UL 60950, CSA C22.2 No. 60950-00, EN60950 (VDE 0805):2001-12. For the converter output to be considered meeting the requirements of safety extra-low voltage (SELV), the input must meet SELV requirements. The module is enabled when the ON/OFF pin is left open or the transistor is off (in the open collector state). The maximum allowable leakage current of the transistor when Von/off = 0.3 V and VIN = 5.5 V is 50 A. The module is disabled when the ON/OFF pin is pulled low or the transistor is active. See Feature Specifications (Remote ON/OFF Signal Interface) and Figure 20 for details. If not using the ON/OFF feature, leave the ON/OFF control pin open. The power module has extra-low voltage (ELV) outputs when all inputs are ELV. The input to these units is to be provided with a maximum 20 A fast-acting fuse in the ungrounded lead. VI Vo ON/OFF Ion/off + Von/off GND 8-1175 Figure 20. Remote On/Off Implementation Output Voltage Set-Point Adjustment (Trim) Output voltage set-point adjustment allows the output voltage set point to be increased or decreased by connecting either an external resistor or a voltage source between the TRIM pin and either the VO pin (decrease output voltage) or GND pin (increase output voltage). Tyco Electronics Corp. 9 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Feature Descriptions (continued) For trim-down using an external resistor, connect Rtrimbetween the TRIM and VOUT pins of the module (Figure 22). The value of Rtrim-down is defined as: down Output Voltage Set-Point Adjustment (Trim) (continued) R trim-down = V out - 0.8 ---------------------- V out For TRIM-UP using an external resistor, connect Rtrimbetween the TRIM and GND pins (Figure 21). The value of Rtrim-up defined as: up 24080 R trim - up = --------------- - R buffer V out Vout is the desired output voltage set-point adjustment Rbuffer is defined in Table 3 for various models - 1 x30100 - R buffer Vout is the typical set point voltage of a module Vout is the desired output voltage adjustment Rbuffer defined is Table 3 for various models. For example, to trim-down the output voltage of 2.5 V module (AXH010G-SR) by 8% to 2.3V, Rtrim-down is calculated as follows: V out = 0.2V Table 3. Austin LynxTM Trim Values VO, set Rbuffer 3.3 V 2.5 V 2.0 V 1.8 V 1.5 V 1.2 V 1.0 V 0.9 V 59 k 78.7 k 100 k 100 k 100 k 59 k 30.1 k 5.11 k V out = 2.5V R buffer = 78.7k R trim - down = 2.5 - 0.8 -------------------- 0.2 - 1 x30100 - 78700 R tr im - down = 147.05k Note: VO, set is the typical output voltage for the unit. For example, to trim-up the output voltage of 1.5V module (AXH010A0M-SR) by 8% to 1.62V, Rtrim-up is calculated as follows: V out = 0.12V VO Rtrim-down TRIM RLOAD R buffer = 100k GND R tr im - up 24080 = --------------- - 100k 0.12 Figure 22. Circuit Configuration to trim-down output voltage R trim - up = 100.66k For Trim-up using an external voltage source, apply a voltage from TRIM pin to ground using the following equation: AXH010A0M-SR VO RLOAD R buffer V trim-up = 0.8 - V out x --------------30100 TRIM Rtrim-up GND Figure 21. Circuit Configuration to trim-up output voltage Tyco Electronics Corp. 10 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Feature Descriptions (continued) Output Voltage Set-Point Adjustment (Trim) (continued) For Trim-down using an external voltage source, apply a voltage from TRIM pin to ground using the following equation: V trim-down R buffer = 0.8 - V out x --------------30100 Vtrim-up is the external source voltage for trim-up Vtrim-down is the external source voltage for trim-down Vout is the desired output voltage set-point adjustment Rbuffer is defined in Table 3 for various models VO VI SENSE LOAD GND DISTRIBUTION LOSSES DISTRIBUTION LOSSES Figure 23. Effective Circuit Configuration for Remote-Sense Operation Overcurrent Protection If the TRIM feature is not being used, leave the TRIM pin disconnected. To provide protection in a fault condition, the unit is equipped with internal overcurrent protection. The unit operates normally once the fault condition is removed. Remote Sense The power module will supply up to 170% of rated current for less than 1.25 seconds before it enters thermal shutdown. Austin LynxTM SMT power modules offer an option for a Remote-Sense function. When the Device Code description includes a suffix "3", pin 3 is added to the module and the Remote-Sense is an active feature. See the Ordering Information at the end of this document for more information. Remote-Sense minimizes the effects of distribution losses by regulating the voltage at the load via the SENSE and GND connections (See Figure 23). The voltage between the SENSE pin and VO pin must not exceed 0.5V. Although both the Remote-Sense and Trim features can each increase the output voltage (VO), the maximum increase is not the sum of both. The maximum VO increase is the larger of either the Remote-Sense or the Trim. Overtemperature Protection To provide additional protection in a fault condition, the unit is equipped with a nonlatched thermal shutdown circuit. The shutdown circuit engages when Q1 or Q2 (shown in Figure 24) exceeds approximately 110 C. The unit attempts to restart when Q1 or Q2 cool down and cycles on and off while the fault condition exists. Recovery from shutdown is accomplished when the cause of the overtemperature condition is removed. The amount of power delivered by the module is defined as the output voltage multiplied by the output current (VO x IO). When using SENSE and/or TRIM, the output voltage of the module can increase which, if the same output current 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 pin 3 is present but the Remote-Sense feature is not being used connect SENSE to VO at the module to regulate the output voltage at the load. Tyco Electronics Corp. 11 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Thermal Considerations The power module operates in a variety of thermal environments; however, sufficient cooling should be provided to help ensure reliable operation of the unit. Heat is removed by conduction, convection, and radiation to the surrounding environment. The thermal data presented is based on measurements taken in a wind tunnel. The test setup shown in Figure 25 was used to collect data for Figures 26 and 27. Note that the airflow is parallel to the short axis of the module as shown in Figure 24. The derating data applies to airflow along either direction of the module's short axis. 25.4 (1.0) Wind Tunnel PWBs Power Module 76.2 (3.0) x Pin 6 8.3 (0.33) Q2 Q1 Probe Location for measuring airflow and ambient temperature Air flow 1-0622 Note: Dimensions are in millimeters and (inches). AIRFLOW Figure 25. Thermal Test Setup 1-0634 Proper cooling can be verified by measuring the power module's temperature at Q1-pin 6 and Q2-pin 6 as shown in Figure 24. Figure 24. Temperature Measurement Location The temperature at either location should not exceed 110 C. The output power of the module should not exceed the rated power for the module (VO, set x IO, max). Convection Requirements for Cooling To predict the approximate cooling needed for the module, refer to the Power Derating curves in Figures 26 and 27. These derating curves are approximations of the ambient temperatures and airflows required to keep the power module temperature below its maximum rating. Once the module is assembled in the actual system, the module's temperature should be checked as shown in Figure 24 to ensure it does not exceed 110 C. Tyco Electronics Corp. 12 Advanced Data Sheet July, 26 2002 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A 11 10 9 8 7 6 5 4 3 2 1 0 0 Layout Considerations Copper paths should not be routed directly underneath the module. Reflow Profile An example of a reflow profile (using 63/37 solder) for the Austin LynxTM SMT Power Module is: 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) NATURAL CONVECTION 10 20 30 40 50 60 70 80 LOCAL AMBIENT TEMPERATURE, TA (C) 90 1-0643 Figure 26. Typical Power Derating vs. Output Current for 3.3 VIN OUTPUT CURRENT IO (A) 11 10 9 8 7 6 5 4 3 2 1 0 Pre-heating zone: room temperature to 183 C (2.0 to 4.0 minutes maximum) Initial ramp rate: < 2.5 C per second Soaking zone: 155 C to 183 C - 60 to 90 seconds typical (2.0 minutes maximum) Reflow zone ramp rate: 1.3 C to 1.6 C per second Reflow zone: 210 C to 235 C peak temperature - 30 to 60 seconds typical (90 seconds maximum) REFLOW PROFILE ALLOY: Sn63Pb37 or Sn62Pb36Ag02 PEAK TEMP. 210 - 235 C 220 1.3 - 1.6 C/SEC 200 2.0 m/s (400 ft./min.) 1.0 m/s (200 ft./min.) 0.5 m/s (100 ft./min.) NATURAL CONVECTION 0 10 20 30 40 50 60 70 80 LOCAL AMBIENT TEMPERATURE, TA (C) 90 180 0.5 - 0.6 C/SEC 160 140 <2.5 C/SEC SOAKING ZONE REFLOW ZONE 2.0 MIN MAX 60 - 90 SEC 30 - 90 SEC MAX 30 - 60 SEC 120 100 80 PRE-HEATING 60 1-0644 Figure 27. Typical Power Derating vs. Output Current for 5.0 VIN TEMPERATURE (C) OUTPUT CURRENT IO (A) Thermal Considerations (continued) 2.0 - 4.0 MIN 40 20 0 0 30 60 90 120 150 180 TIME (SECONDS) 210 240 270 1-0303 Figure 28. Reflow Profile Tyco Electronics Corp. 13 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Pick and Place Location Although the module weight is minimized by using open-frame construction, the modules have a relatively large mass compared to conventional surface-mount components. To optimize the pick-and-place process, automated vacuum equipment variables such as nozzle size, tip style, vacuum pressure, and placement speed should be considered. Austin LynxTM SMT modules have a flat surface which serves as a pick-and-place location for automated vacuum equipment. The module's pick-and-place location is identified by the target symbol on the top label as shown in Figure 29. LABEL 13.46 (0.53) 6.73 (0.27) 13.18 (0.52) 33.02 (1.30) Dimensions are in millimeters and (inches). 1-0738 Figure 29. Pick and Place Location Surface-Mount Tape & Reel PICK POINT 0.945 (24.0) 0.158 (4.0) 0.995 (25.2) TOP COVER TAPE EMBOSSED CARRIER FEED DIRECTION 0.33 (8.38) 1.45 (36.8) 1.73 (44.0) 1.59 (40.4) TOP COVER TAPE EMBOSSED CARRIER NOTE: CONFORMS TO EAI-481 REV. A STANDARD 1-0301 Figure 30. Tape Dimensions Tyco Electronics Corp. 14 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Mechanical Outline Diagram Dimensions are in millimeters and (inches). Tolerances: x.x 0.5 mm (0.02 in.), x.xx 0.25 mm (0.010 in.), unless otherwise noted. BOTTOM VIEW OF BOARD SIDE VIEW 8.28 (0.326) 33.00 (1.300) 7.87 (0.310) 4.83 4.83 4.83 (0.190) (0.190) (0.190) GND VOUT TRIM 7.54 (0.297) See Note MAXIMUM 1.58 (0.062) SENSE 10.29 (0.405) 1.57 (0.062) 13.46 (0.530) VIN ON/OFF 2.84 (0.112) SURFACE MOUNT CONTACT 848667093 1.22 6 PLACES (0.048) LI INDUCTOR 1.91 (0.075) 1-0645 Note: Sense Pin and Trim Pin are custumer specified options. Recommended Pad Layout Dimensions are in millimeters and (inches). 7.54 (0.297) 4.83 (0.190) SENSE 4.83 (0.190) 4.83 (0.190) TRIM VOUT 9.78 (0.385) GND 10.29 (0.405) 10.92 (0.430) ON/OFF 0.64 (0.025) VIN 29.90 (1.177) PAD SIZE MIN: 3.556 X 2.413 (0.140 X 0.095) MAX: 4.19 X 2.79 (0.165 X 0.110) 1-0716 Tyco Electronics Corp. 15 Austin LynxTM SMT Non-Isolated dc-dc Power Modules: 3.0 Vdc - 5.5 Vdc Input, 0.9 Vdc - 3.3 Vdc Output, 10 A Advanced Data Sheet July, 26 2002 Ordering Information Please contact your Tyco Electronics' Account Manager or Field Application Engineer for pricing and availability. Table 4. Device Codes with TRIM Device Code Input Voltage AXH010A0S0R99-SR AXH010A0S1R09-SR AXH010A0P9-SR AXH010A0M9-SR AXH010A0Y9-SR AXH010A0D9-SR AXH010A0G9-SR AXH010A0F9-SR 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 4.5 - 5.5 Output Output Efficiency Voltage(s) Current 0.9 V 1.0 V 1.2 V 1.5 V 1.8 V 2.0 V 2.5 V 3.3 V 10 A 10 A 10 A 10 A 10 A 10 A 10 A 10 A 81% 83% 85% 87% 89% 89% 91% 94% Connector Type Comcodes SMT SMT SMT SMT SMT SMT SMT SMT 108966177 108966110 108966144 108966136 108966169 108966102 108966128 108966094 Connector Type Comcodes SMT SMT SMT SMT SMT SMT SMT SMT 108967597 108967605 108967571 108967563 108967589 108967530 108967555 108967548 Table 5. Device Codes without TRIM* Device Code Input Voltage AXH010A0S0R9-SR AXH010A0S1R0-SR AXH010A0P-SR AXH010A0M-SR AXH010A0Y-SR AXH010A0D-SR AXH010A0G-SR AXH010A0F-SR 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 4.5 - 5.5 Output Output Efficiency Voltage(s) Current 0.9 V 1.0 V 1.2 V 1.5 V 1.8 V 2.0 V 2.5 V 3.3 V 10 A 10 A 10 A 10 A 10 A 10 A 10 A 10 A 81% 83% 85% 87% 89% 89% 91% 94% Optional remote sense feature can be ordered using suffix 3 shown in Table 6. For example, a AXH010A0Y-SR with remote sense is AXH010A0Y3-SR Table 6. Options Option Suffix Remote Sense 3 Europe, Middle-East and Africa Headquarters Tyco Electronics (UK) Ltd Tel: +44 (0) 1344 469 300, Fax: +44 (0) 1344 469 301 World Wide Headquarters Tyco Electronics Power Systems, Inc. 3000 Skyline Drive, Mesquite, TX 75149, USA +1-800-526-7819 FAX: +1-888-315-5182 (Outside U.S.A.: +1-972-284-2626, FAX: +1-972-284-2900) www.power.tycoelectronics.com e-mail: techsupport1@tycoelectronics.com Central America-Latin America Headquarters Tyco Electronics Power Systems Tel: +54 11 4316 2866, Fax: +54 11 4312 9508 Asia-Pacific Headquarters Tyco Electronics Singapore Pte Ltd Tel: +65 482 0311, Fax: 65 480 9299 Tyco Electronics Corporation reserves the right to make changes to the product(s) or information contained herein without notice. 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. (c) 2001 Tyco Electronics Power Systems, Inc. (Mesquite, Texas) All International Rights Reserved. Printed in U.S.A. July, 26 2002 FDS02-034EPS (Replaces ADS02-008EPS) Printed on Recycled Paper