PXF40-48WD12

PXF40-xxWDxx Dual Output DC/DC Converter 9 to 36 Vdc and 18 to 75 Vdc input, ±12 to ±15 Vdc Dual Output, 40W Features  Dual output current up to ±1.667A  40 watts maximum output power  4:1 ultra wide input voltage range of 9-36 and 18-75VDC  Six-sided continuous shield  Case grounding  High efficiency up to 86%  Low profile:2.002.000.40 inch (50.850.810.2 mm )  Fixed switching frequency  RoHS directive compliant  Input to output isolation: 1600Vdc,min  Over-temperature protection  Input under-voltage protection  Output over-voltage protection  Over-current protection, auto-recovery  Output short circuit protection, auto-recovery Applications  Wireless Network  Telecom/Datacom  Industry Control System  Measurement Equipment  Semiconductor Equipment  Remote ON/OFF Options  Heat sinks available for extended operation  Remote ON/OFF logic configuration General Description The PXF40-xxWDxx dual output converters offer 40 watts of output power from a 2.00 x 2.00 x 0.4 inch package. This series with a 4:1 ultra wide input voltage of 9-36VDC and 18-75VDC, features 1600VDC of isolation, short-circuit, over-voltage and over-temperature protection, as well as six sided shielding. All models are particularly suited for telecommunications, industrial, mobile telecom and test equipment applications. Table of contents Absolute Maximum Ratings Output Specification Input Specification General Specification Characteristic Curves Test Configurations EMC Considerations Input Source Impedance Output Over Current Protection Output Over Voltage Protection Thermal Consideration P2 P2 P3 P4 P5 P13 P14 P16 P16 P16 P16 Heat Sink Consideration Remote ON/OFF Control Mechanical Data Recommended Pad Layout Output Voltage Adjustment Soldering Consideration Packaging Information Part Number Structure Safety and Installation Instructions MTBF and Reliability P17 P18 P19 P19 P20 P21 P21 P22 P22 P22 DataSheet 40W, Dual Output Absolute Maximum Rating Parameter Model Input Voltage Continuous Transient (100ms) Operating Ambient Temperature (with derating) Operating Case Temperature Storage Temperature 24WDxx 48WDxx 24WDxx 48WDxx All All All Min Max Unit 36 75 50 100 105 105 125 -40 -55 VDC °C °C °C Output Specification Parameter Output Voltage (Vin = Vin(nom) ; Full Load ; TA=25°C) Model Min Typ Max xxWD12 11.88 12 12.12 xxWD15 14.85 15 15.15 All -0.2 +0.2 -1.0 +1.0 -5.0 +5.0 Unit VDC Output Regulation Line (Vin(min) to Vin(max) at Full Load) Load (Min. to 100% of Full Load) Cross Regulation Asymmetrical Load 25% / 100% of Full Load Output Ripple & Noise Peak-to-Peak (20MHz bandwidth) Temperature Coefficient Output Voltage Overshoot (Vin(min) to Vin(max); Full Load; TA=25°C) All xxWD12 120 xxWD15 150 All -0.02 All % % mVp-p +0.02 %/°C 3 % VOUT Dynamic Load Response (Vin = Vin(nom) ; TA=25°C) Load step change from 75% to 100% or 100 to 75% of Full Load Peak Deviation Setting Time (VOUT＜10% peak deviation) Output Current Output Over Voltage Protection (Zener diode clamp) All 200 mV All 250 μS xxWD12 ±65 ±1667 xxWD15 ±50 ±1333 xxWD12 15 xxWD15 18 Output Over Current Protection All Output Short Circuit Protection All mA VDC 150 % FL. Hiccup, automatic recovery VER:00 Page 2 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Input Specification Parameter Operating Input Voltage Input Current (Maximum value at Vin = Vin(nom); Full Load) Input Standby Current (Typical value at Vin = Vin(nom); No Load) Under Voltage Lockout Turn-on Threshold Under Voltage Lockout Turn-off Threshold Input Reflected Ripple Current (5 to 20MHz, 12μH Source Impedance) Model Min Typ Max 24WDxx 9 24 36 48WDxx 18 48 75 24WD12 2032 24WD15 2032 48WD12 1016 48WD15 1016 24WD12 60 24WD15 70 48WD12 30 48WD15 30 9 48WDxx 18 8 48WDxx 16 All 20 VDC mA mA 24WDxx 24WDxx Unit VDC VDC mAp-p Start Up Time (Vin = Vin(nom) and constant resistive load) Power up 20 All Remote ON/OFF mS 20 Remote ON/OFF Control (The ON/OFF pin voltage is referenced to -VIN) Negative Logic DC-DC ON(Short) DC-DC OFF(Open) Positive Logic All 0 1.2 3 12 DC-DC ON(Open) 3 12 DC-DC OFF(Short) 0 1.2 Remote Off Input Current Input Current of Remote Control Pin 24WDxx 10 48WDxx 5 All -0.5 VDC mA 0.5 mA VER:00 Page 3 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output General Specification Parameter Efficiency (Vin = Vin(nom) ; Full Load ; TA=25°C) Model Min Typ 24WD12 86 24WD15 86 48WD12 86 48WD15 86 Max Unit % Isolation Voltage Input to Output All Input (Output) to Case VDC 1600 1600 Isolation Resistance All 1 GΩ Isolation Capacitance All Switching Frequency All 300 kHz Weight All 60 g All 1.105×106 2500 pF MTBF Bellcore TR-NWT-000332, TC=40°C 1.511×105 MIL-HDBK-217F Over Temperature Protection All 110 hours °C VER:00 Page 4 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves All test conditions are at 25°C.The figures are for PXF40-24WD12 Efficiency Versus Output Current Efficiency Versus Input Voltage. Full Load Power Dissipation Versus Output Current Derating OutputCurrentVersusAmbientTemperature and Airflow Vin = Vin(nom) Derating OutputCurrentVersusAmbientTemperature with Heat-Sink andAirflow ,Vin = Vin(nom) VER:00 Page 5 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C.The figures are for PXF40-24WD12 Typical Output Ripple and Noise. Transient Response to Dynamic Load Change from Vin = Vin(nom), Full Load 100% to 75% to 100% of Full Load ; Vin = Vin(nom) Typical Input Start-Up and Output Rise Characteristic Using ON/OFF Voltage Start-Up and Vo Rise Characteristic Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load Conduction Emission of EN55022 Class A Conduction Emission of EN55022 Class B Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load VER:00 Page 6 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are for PXF40-24WD15 Efficiency Versus Output Current Efficiency Versus Input Voltage. Full Load Power Dissipation Versus Output Current Derating OutputCurrentVersusAmbientTemperature and Airflow Vin = Vin(nom) Derating OutputCurrentVersusAmbientTemperature with Heat-Sink andAirflow ,Vin = Vin(nom) VER:00 Page 7 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C.The figures are for PXF40-24WD15 Typical Output Ripple and Noise. Transient Response to Dynamic Load Change from Vin = Vin(nom), Full Load 100% to 75% to 100% of Full Load ; Vin = Vin(nom) Typical Input Start-Up and Output Rise Characteristic Using ON/OFF Voltage Start-Up and Vo Rise Characteristic Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load Conduction Emission of EN55022 Class A Conduction Emission of EN55022 Class B Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load VER:00 Page 8 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C.The figures are for PXF40-48WD12 Efficiency Versus Output Current Efficiency Versus Input Voltage. Full Load Power Dissipation Versus Output Current Derating OutputCurrentVersusAmbientTemperature and Airflow Vin = Vin(nom) Derating OutputCurrentVersusAmbientTemperature with Heat-Sink andAirflow ,Vin = Vin(nom) VER:00 Page 9 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C.The figures are for PXF40-48WD12 Typical Output Ripple and Noise. Transient Response to Dynamic Load Change from Vin = Vin(nom), Full Load 100% to 75% to 100% of Full Load ; Vin = Vin(nom) Typical Input Start-Up and Output Rise Characteristic Using ON/OFF Voltage Start-Up and Vo Rise Characteristic Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load Conduction Emission of EN55022 Class A Conduction Emission of EN55022 Class B Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load VER:00 Page 10 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C. The figures are for PXF40-48WD15 Efficiency Versus Output Current Efficiency Versus Input Voltage. Full Load Power Dissipation Versus Output Current Derating OutputCurrentVersusAmbientTemperature and Airflow Vin = Vin(nom) Derating OutputCurrentVersusAmbientTemperature with Heat-Sink andAirflow ,Vin = Vin(nom) VER:00 Page 11 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Characteristic Curves (Continued) All test conditions are at 25°C.The figures are for PXF40-48WD15 Typical Output Ripple and Noise. Transient Response to Dynamic Load Change from Vin = Vin(nom), Full Load 100% to 75% to 100% of Full Load ; Vin = Vin(nom) Typical Input Start-Up and Output Rise Characteristic Using ON/OFF Voltage Start-Up and Vo Rise Characteristic Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load Conduction Emission of EN55022 Class A Conduction Emission of EN55022 Class B Vin = Vin(nom), Full Load Vin = Vin(nom), Full Load VER:00 Page 12 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Test Configurations Input reflected-ripple current measurement test: Component L C Value 12μH 47μF Voltage ---100V Reference ---Aluminum Electrolytic Capacitor Peak-to-peak output ripple & noise measurement test: Output voltage and efficiency measurement test: Note:All measurements are taken at the module terminals.  V  Io    100% Efficiency   o  Vin  I in  VER:00 Page 13 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output EMC Considerations Suggested Schematic for EN55022 Conducted Emissions Class A Limits Recommended Layout with Input Filter To meet conducted emissions EN55022 CLASS A needed the following components： Value PXF40-24WDxx Voltage Component C1,C2 C3,C4 ---- ---- 1000pF 2KV Component C1,C2 C3,C4 Value 2.2uF 1000pF Reference ---- 1206 MLCC PXF40-48WDxx Voltage Reference 100V 1812 MLCC 2KV 1206 MLCC VER:00 Page 14 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output EMC Considerations (Continued) Suggested Schematic for EN55022 Conducted Emissions Class B Limits Recommended Layout with Input Filter To meet conducted emissions EN55022 CLASS B needed the following components： Component C1,C3 C5,C6 L1 Value 4.7uF 1000pF 450uH PXF40-24WDxx Voltage Reference 50V 1812 MLCC 2KV 1206 MLCC ---Common Choke PXF40-48WDxx Component Value Voltage Reference C1,C2 2.2uF 100V 1812 MLCC C3,C4 2.2uF 100V 1812 MLCC C5,C6 1000pF 2KV 1206 MLCC L1 830uH ---Common Choke This Common Choke L1 is defined as follows: ■ L: 450μH±35% / DCR: 25mΩ, max A height：9.8 mm, Max ■ L: 830μH±35% / DCR: 31mΩ, max A height: 8.8 mm, Max ■ Test condition: 100KHz / 100mV ■ Recommended through hole; Φ0.8mm ■ All dimensions in millimeters VER:00 Page 15 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Input Source Impedance The converter should be connected to a low impedance input source. Highly inductive source impedance can affect the stability of the converter. Input external L-C filter is recommended to minimize input reflected ripple current. The inductor has a simulated source impedance of 12μH and the capacitor is Nippon chemi-con KZE series 47μF/100V. The capacitor must located as close as possible to the input terminals of the converter for lower impedance. Output Over Current Protection When excessive output currents occur in the system, circuit protection is required on all converters. Normally, overload current is maintained at approximately150 percent of rated current for PXF40-xxWDxx series. Hiccup-mode is a method of operation in the converter whose purpose is to protect the converter from being damaged during an over-current fault condition. It also enables the converter to restart when the fault is removed. One of the problems resulting from over current is that excessive heat may be generated in power devices; especially MOSFET and Schottky diodes and the temperature of those devices may exceed their specified limits. A protection mechanism has to be used to prevent those power devices from being damaged. Output Over Voltage Protection The output over-voltage protection consists of an output Zener diode that monitors the voltage on the output terminals. If the voltage on the output terminals exceeds the over-voltage protection threshold, then the Zener diode clamps the output voltage. Thermal Consideration The converter 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. Proper cooling can be verified by measuring the point as shown in the figure below. The temperature at this location should not exceed 105°C. When operating, adequate cooling must be provided to maintain the test point temperature at or below 105°C . Although the maximum point temperature of the converter is 105°C, limiting this temperature to a lower value will increase the reliability of the unit. VER:00 Page 16 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output VER:00 Page 17 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Heat Sink Consideration Use heat-sink (7G-0026A) for lowering temperature; thus increasing the reliability of the converter. All dimensions in millimeters VER:00 Page 18 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Remote ON/OFF Control The Remote ON/OFF Pin is used to turn the converter on and off. The user must use a switch to control the logic voltage (high or low level) of the pin referenced to Vi (-). The switch can be an open collector transistor, FET or Opto-Coupler. The switch must be capable of sinking up to 0.5 mA at low-level logic voltage. Using High-level logic, the maximum allowable leakage current of the switch at 12V is 0.5 mA. Remote ON/OFF Implementation Circuits Isolated-Closure Remote ON/OFF Level Control Using TTL Output Level Control Using Line Voltage There are two remote control options available, positive logic and negative logic. a. Positive logic: Module is turned off using Low-level Module is turned on using High-level logic logic Module is turned on using Low-level Module is turned off using High-level logic logic b. Negative logic: VER:00 Page 19 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Mechanical Data 2.00 (50.8) DIA. 0.04(1.0) 1.10 (27.9) 0.400 (10.16) 3 2 1 6 5 1.800 (45.72) 2.00 (50.8) BOTTOM VIEW 8 7 4 0.10 (2.5) 0.100 (2.54) 0.300 (7.62) 0.600 (15.24) 0.800 (20.32) PIN CONNECTION PIN 1 2 3 4 5 6 7 8 0.40(10.2) 0.200 (5.08) FUNCTION +INPUT -INPUT CTRL +OUTPUT COM COM -OUTPUT TRIM 0.200 (5.08) 0.22 (5.6) 1. All dimensions in Inches (mm) Tolerance: X.XX±0.02 (X.X±0.5) X.XXX±0.01 (X.XX±0.25) 2. Pin pitch tolerance ±0.01(0.25) 3. Pin dimension tolerance ±0.004 (0.1) EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using the method shown below. TRIM UP TRIM DOWN 7 8 RU 8 RD 4 Recommended Pad Layout VER:00 Page 20 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Output Voltage Adjustment Output voltage set point adjustment allows the user to increase or decrease the output voltage set point of a converter. This is accomplished by connecting an external resistor between the TRIM pin and either the Vo(+) or Vo(-) pins. With an external resistor between the TRIM and Vo(-) pin, the output voltage set point increases. With an external resistor between the TRIM and Vo(+) pin, the output voltage set point decreases. TRIM UP TRIM DOWN 7 8 RU RD 4 8 TRIM TABLE PXF40-xxWD12 Trim up (%) 1 2 3 4 5 6 7 8 9 10 VOUT (Volts)= ±12.12 ±12.24 ±12.36 RU (K Ohms)= 218.21 98.105 58.07 ±12.48 ±12.6 ±12.72 ±12.84 ±12.96 ±13.08 ±13.2 38.052 26.042 18.035 12.316 8.026 4.69 2.021 Trim down (%) 1 2 3 4 5 6 7 8 9 10 VOUT (Volts)= ±11.88 ±11.76 ±11.64 ±11.52 ±11.4 ±11.28 ±11.16 ±11.04 ±10.92 ±10.8 RD (K Ohms)= 273.44 123.02 72.874 47.803 32.76 22.732 15.568 10.196 6.017 2.675 Trim up (%) 1 2 3 4 5 6 7 8 9 10 VOUT (Volts)= ±15.15 ±15.3 ±15.45 ±15.6 ±15.75 ±15.9 ±16.05 ±16.2 ±16.35 ±16.5 RU (K Ohms)= 268.29 120.64 71.429 46.822 32.058 22.215 15.184 9.911 5.81 2.529 PXF40-xxWD15 Trim down (%) 1 2 3 4 5 6 7 8 9 10 VOUT (Volts)= ±14.85 ±14.7 ±14.55 ±14.4 ±14.25 ±14.1 ±13.95 ±13.8 ±13.65 ±13.5 RD (K Ohms)= 337.71 152.02 90.126 59.178 40.609 28.23 19.387 12.756 7.598 3.471 VER:00 Page 21 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Soldering Consideration Lead free wave solder profile for PXF40-xxWDxx -SERIES Zone Preheat zone Reference Parameter Rise temp. speed : 3°C / sec max. Preheat temp. : 100~130°C Actual heating Peak temp. : 250~260°C Peak time (T1+T2 time) : 4~6 sec Reference Solder:Sn-Ag-Cu/Sn-Cu Hand Welding: Soldering iron: Power 90W Welding Time: 2-4 sec Temp. 380-400 °C Packaging Information 10 PCS per TUBE VER:00 Page 22 of 22 Issued Date：2009/03/02 DataSheet 40W, Dual Output Part Number Structure PXF40 – 48 WD 12 – N Max. Output Power 40Watts Negative Logic Output Voltage 12 : 12V 15 : 15V Input Voltage Range 24 : 9 ~ 36V 48 : 18 ~ 75V Dual Output Model Number Input Range Output Voltage ±12 VDC PXF40-24WD12 9 – 36 VDC ±15 VDC PXF40-24WD15 9 – 36 VDC ±12 VDC PXF40-48WD12 18 – 75 VDC ±15 VDC PXF40-48WD15 18 – 75 VDC Note 1. Maximum value at nominal input voltage and full load Note 2. Typical value at nominal input voltage and full load. Output Current Input Current (2) Full load Full Load Eff (%) ± 1667mA ± 1333mA ± 1667mA ± 1333mA 2032mA 2032mA 1016mA 1016mA 86 86 86 86 (1) Safety and Installation Instruction Fusing Consideration Caution: This power module is not internally fused. An input line fuse must always be used. This encapsulated converter can be used in a wide variety of applications, ranging from simple stand-alone operation to an integrated part of a sophisticated power architecture. For 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 slow-blow fuse with maximum rating of 8A for PXF40-24WDxx modules and 5A for PXF40-48WDxx modules. Based on the information provided in this data sheet on Inrush energy and maximum DC input current; the same type of fuse with lower rating can be used. Refer to the fuse manufacturer’s data for further information. MTBF and Reliability The MTBF of PXF40-xxWDxx series of DC/DC converters has been calculated using: Bellcore TR-NWT-000332 Case I: 50% stress, Operating Temperature at 40°C (Ground fixed and controlled 6 environment ). The resulting figure for MTBF is 1.105×10 hours. MIL-HDBK 217F NOTICE 2 FULL LOAD, Operating Temperature at 25°C ℃. The resulting figure for MTBF is1.511× 5 10 hours. VER:00 Page 23 of 22 Issued Date：2009/03/02