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| rev. page date 1 of 3 02/2008 PART NUMBER: VWRAS2 series DESCRIPTION: dc/dc converter Description Designed to convert a wide input voltage range into an isolated regulated voltage, the VWRAS2-SIP series is well suited for providing board-mount local supplies in a wide range of applications, including mixed analog/digital circuits, test & measurement equip., process/machine controls, datacom/telecom fields, etc... Features *Wide (2:1) input range *High efficiency to 80% *Regulated *Dual voltage output *I/O Isolation 1500VDC *No heatsink required *Short circuit protection *Remote on/off *MTBF >1,000,000 hrs *Temperature range: -40C~+85C Model Number VWRAS2-D5-D5-SIP VWRAS2-D5-D9-SIP VWRAS2-D5-D12-SIP VWRAS2-D5-D15-SIP VWRAS2-D12-D5-SIP VWRAS2-D12-D9-SIP VWRAS2-D12-D12-SIP VWRAS2-D12-D15-SIP VWRAS2-D24-D5-SIP VWRAS2-D24-D9-SIP VWRAS2-D24-D12-SIP VWRAS2-D24-D15-SIP VWRAS2-D48-D5-SIP VWRAS2-D48-D9-SIP VWRAS2-D48-D12-SIP VWRAS2-D48-D15-SIP Nominal 5 Vdc 5 Vdc 5 Vdc 5 Vdc 12 Vdc 12 Vdc 12 Vdc 12 Vdc 24 Vdc 24 Vdc 24 Vdc 24 Vdc 48 Vdc 48 Vdc 48 Vdc 48 Vdc Input Voltage Range 4.5~9.0 Vdc 4.5~9.0 Vdc 4.5~9.0 Vdc 4.5~9.0 Vdc 9.0~18.0 Vdc 9.0~18.0 Vdc 9.0~18.0 Vdc 9.0~18.0 Vdc 18.0~36.0 Vdc 18.0~36.0 Vdc 18.0~36.0 Vdc 18.0~36.0 Vdc 36.0~72.0 Vdc 36.0~72.0 Vdc 36.0~72.0 Vdc 36.0~72.0 Vdc Max. 11 Vdc 11 Vdc 11 Vdc 11 Vdc 22 Vdc 22 Vdc 22 Vdc 22 Vdc 40 Vdc 40 Vdc 40 Vdc 40 Vdc 80 Vdc 80 Vdc 80 Vdc 80 Vdc Output Voltage 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc Output Current Max. 200 mA 111 mA 83 mA 67 mA 200 mA 111 mA 83 mA 67 mA 200 mA 111 mA 83 mA 67 mA 200 mA 111 mA 83 mA 67 mA Min. 20 mA 11 mA 8 mA 7 mA 20 mA 11 mA 8 mA 7 mA 20 mA 11 mA 8 mA 7 mA 20 mA 11 mA 8 mA 7 mA Efficiency 67% 71% 72% 73% 75% 76% 78% 78% 76% 78% 79% 78% 75% 78% 80% 80% Package Style SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP SIP Note: 1. All specifications measured at TA=25C, humidity <75%, nominal input voltage and rated output load unless otherwise specified. Output Specifications Item 2W Output power Output voltage accuracy Line Regulation Load Regulation Temperature drift Output ripple& noise Switching frequency Test conditions Refer to recommended circuit Input Voltage from low to high 10% to 100% full load Refer to recommended circuit 20 Hz Bandwidth 100% load, nominal input Min. 0.2 Typ. 1 0.2 0.5 35 80K Max. 2 3 0.5 1.0 0.03 100 550K Units W % % % %/C mVp-p Hz 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page date 2 of 3 02/2008 PART NUMBER: VWRAS2 series DESCRIPTION: dc/dc converter General Specifications Output short circuit protection Temperature rise at full load Cooling No-load power consumption Operating temperature range Storage temperature range Soldering temperature Storage humidity range Case material MTBF Continuous 15C typ., 35C max. Free air convection 100mW (typical) -40C to +85C -50C to +125C 300C (1.5mm from case for 10sec.) <95% Plastic (UL94-V0) >1,000,000 hrs. Isolation Specifications Item Isolation Voltage Isolation Resistance Isolation Capacitance Test Conditions Flash tested for 1 min. Test at 500 Vdc Input/Output Min. 1500 1000 Typ. Max. Units Vdc M PF 80 Typical Characteristics Vc R R 3 2 Li n Vc/I ( 5 mA TY P) 6 L R:K Vin +Vo Cou t 7 Cin 1 8 L Cou t 0V Recommended circuit It is best to test with full load and not to test without load. To further reduce output ripple, you may increase the external capacitor, choose a capacitor with low ESR, or add external inductor to the circuit as shown on the left. General: Cin: 5V, 12V 100F 24V, 48V 10F ~ 47F Cout:100F(typ) Lin: 4.7H ~ 120 H Lout: 2.2H ~ 10H GND -V o Outline Dimensions & Recommended Layout Pattern First Angle Projection 123 5678 RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm Dual Output & Single Output 35 +0.020 ) 0 (0.866) 4.10 0 +0.50 12.00 FOOTPRINT DETAILS Pin 1 2 3 5 6 7 8 Dual GND Vin CTRL NC +Vo OV -Vo Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin tolerances: +0.10mm( +0.004inch) General tolerances: +0.25mm( +0.010inch) 0.50 NC:No Connection 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page date 3 of 3 02/2008 PART NUMBER: VWRAS2 series DESCRIPTION: dc/dc converter Application Notes: - All of the VWRAS2-SIP Series have been tested according to the following recommended testing circuit before leaving the factory. This series should be tested under load(Figure 3). If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high(Table 2). - Input current Nominal input voltage range. The input current of the power supply must be sufficient to the startup current (Ip) of the DC/DC module (Figure 2) Input Current(A) Ip Table 2 External Capacitor Table Single Vout(VDC) 3.3 5 9820 12 15 24 Cout(uF) 2200 1000 820 680 560 470 Dual Vout(VDC) 5 9 12 15 Cout(uF) 560 470 330 270 - Input Voltage Range Input Voltage (V) - Output Load In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exceeded. No parallel connection or plug and play. Figure 3 Temperature Derating Graph - NC Terminals Unless otherwise specified, NC terminals of all series are used for converter's interior circuit connection, and are not allowed connection of any external circuit. Operating Temp.( C ) - Remote on/off control (see figure 1) ON: When control pin (CTRL pin 3) open or Ic < 0.5mA, converter will have normal output. OFF: With a 3-10mA input current (Ic) to pin 3, output will be disabled. Under no conditions should input current (Ic) exceed 20mA. The Value of R in Figure 1 can be derived as follows: R= Vc - Vd - 0.65V Ic Vc= Voltage at control input Vd= Diode (D1) voltage drop (.7V voltage drop typical ) Ic= Input Current (5mA recommended disable current) example 1 : Logic circuit -- Apply 5V TTL logic signal on Vc to disable output R= 5V - 0.7V - 0.65V = 730 .005A Choose 720 resistor example 2 : Short Vin to Vc -- Apply 12V on Vc to disable output R= 12V - 0.7V - 0.65V = 2130 .005A Choose 2K resistor 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 |
Price & Availability of VWRAS2-D12-D12-SIP
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