PART NUMBER: VWRAS2 series DESCRIPTION: dc-dc converter Desc

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PART NUMBER: VWRAS2 series DESCRIPTION: dc-dc converter Desc

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01/2009
PART NUMBER: VWRAS2 series
DESCRIPTION: dc-dc converter
Description
Designed convert wide input voltage range into isolated regulated voltage, VWRAS2-SIP series well suited providing board-mount local supplies wide range applications, including mixed analog/digital circuits, test measurement equip., process/machine controls, datacom/telecom fields, etc.
Features
(2:1) input range efficiency voltage output Isolation 1500VDC heatsink required circuit protection on/off >1,000,000 range: -40°C~+85°C
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
Input Voltage Range 4.5~9.0 4.5~9.0 4.5~9.0 4.5~9.0 9.0~18.0 9.0~18.0 9.0~18.0 9.0~18.0 18.0~36.0 18.0~36.0 18.0~36.0 18.0~36.0 36.0~72.0 36.0~72.0 36.0~72.0 36.0~72.0 Max.
Output Voltage
Output Current Max. ±200 ±111 ±200 ±111 ±200 ±111 ±200 ±111 Min. Efficiency
Package Style
Note: specifications measured TA=25°C, humidity <75%, nominal input voltage rated output load unless otherwise specified.
Output Specifications
Item Output power Output voltage accuracy Line Regulation Load Regulation Temperature drift Output ripple& noise Switching frequency Test conditions Refer recommended circuit Input Voltage from high 100% full load Refer recommended circuit Bandwidth 100% load, nominal input Min. Typ. ±0.2 ±0.5 Max. ±0.5 ±1.0 0.03 550K Units %/°C mVp-p
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
rev. page date
01/2009
PART NUMBER: VWRAS2 series
DESCRIPTION: dc-dc converter
General Specifications
Output short circuit protection Temperature rise full load Cooling No-load power consumption Operating temperature range Storage temperature range Soldering temperature Storage humidity range Case material MTBF Continuous 15°C typ., 35°C max. Free convection 100mW (typical) -40°C +85°C -50°C +125°C 300°C (1.5mm from case 10sec.) <95% Plastic (UL94-V0) >1,000,000 hrs.
Isolation Specifications
Item Isolation Voltage Isolation Resistance Isolation Capacitance Test Conditions Flash tested min. Test Input/Output Min. 1500 1000 Typ. Max. Units
Typical Characteristics
RVc/I
Recommended circuit best test with full load test without load. further reduce output ripple, increase external capacitor, choose capacitor with ESR, external inductor circuit shown left. General: Cin: 100F 24V, Cout:100F(typ) Lin: 4.7H Lout: 2.2H
Outline Dimensions Recommended Layout Pattern
First Angle Projection
RECOMMENDED FOOTPRINT view,grid:2.54mm(0.1inch), diameter:1.00mm Dual Output Single Output
+0.020
(0.866) 4.10
+0.50
12.00
FOOTPRINT DETAILS Dual CTRL
Note: Unit:mm(inch) tolerances: +0.10mm( +0.004inch) General tolerances: +0.25mm( +0.010inch)
0.50
NC:No Connection
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382
rev. page date
01/2009
PART NUMBER: VWRAS2 series
DESCRIPTION: dc-dc converter
Application Notes:
VWRAS2-SIP Series have been tested according following recommended testing circuit before leaving factory. This series should tested under load(Figure want further decrease input/output ripple, increase capacitance properly choose capacitors with ESR. However, capacitance should high(Table
Input current Nominal input voltage range. input current power supply must sufficient startup current (Ip) DC/DC module (Figure
Input Current(A)
Table
External Capacitor Table
Single Vout(VDC) Cout(uF) 2200 1000 Dual Vout(VDC) Cout(uF) ±560 ±470 ±330 ±270
Input Voltage Range
Input Voltage
Output Load order ensure product operates efficiently reliably, make sure specified range input voltage exceeded. parallel connection plug play.
Figure
Temperature Derating Graph
Terminals Unless otherwise specified, terminals series used converter's interior circuit connection, allowed connection external circuit.
Operating Temp.(
Remote on/off control (see figure When control (CTRL open 0.5mA, converter will have normal output. OFF: With 3-10mA input current (Ic) output will disabled. Under conditions should input current (Ic) exceed 20mA. Value Figure derived follows: 0.65V Voltage control input Diode (D1) voltage drop (.7V voltage drop typical Input Current (5mA recommended disable current)
example Logic circuit Apply logic signal disable output
0.7V 0.65V .005A
Choose resistor
example Short Apply disable output 0.7V 0.65V 2130 .005A Choose resistor
20050 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 503.612.2382

PART NUMBER: VWRAS2 series DESCRIPTION: dc-dc converter Desc

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