DC/DC Converters International Power Sources, Inc. 260 Hopping Brook Road Holliston, Massachusetts 01746 Tel. (508) 429-4440 Fax (800) 226-2100 http://www.intlpower.com WH Series: 7.5 Watt Wide Input Range FEATURES • • • • • 2:1 Input Range Isolated Outputs Efficiency to 81% 100kHz Switching Frequency Overvoltage Protection • • • • • Input π Filter Fully Regulated Outputs Six-sided Shield PCB Mountable Short Circuit Protection MODELS CHART MODEL NUMBER WH101 WH102 WH103 WH104 WH105 WH201 WH202 WH203 WH204 WH205 WH301 WH302 WH303 WH304 WH305 INPUT VOLTAGE RANGE 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC INPUT CURRENT OUTPUT VOLTAGE 5VDC 12VDC 15VDC ±12VDC ±15VDC 5VDC 12VDC 15VDC ±12VDC ±15VDC 5VDC 12VDC 15VDC ±12VDC ±15VDC OUTPUT CURRENT 1500mA 625mA 500mA ±310mA ±250mA 1500mA 625mA 500mA ±310mA ±250mA 1500mA 625mA 500mA ±310mA ±250mA NOTE: NOMINAL INPUT VOLTAGE 12, 24, OR 48 VDC 30 NO LOAD 46mA 46mA 46mA 30mA 60mA 50mA 50mA 50mA 40mA 40mA 36mA 36mA 42mA 30mA 30mA FULL LOAD 810mA 786mA 786mA 785mA 790mA 400mA 384mA 384mA 385mA 385mA 198mA 198mA 198mA 195mA 195mA % EFF 77 79 79 79 79 78 81 81 81 81 79 79 79 80 80 Electrical Specifications All specifications typical at nominal line, full load and 25°C OUTPUT SPECIFICATIONS Voltage Accuracy Line Regulation (Full Input Range) Load Regulation (1/4-Full Load) Ripple and Noise (DC-20MHz) Temperature Coefficient Short Circuit Protection ±2% max. ±0.5% max. ±1% max. 1% of V out p-p max. ±0.05%/°C max. Indefinite INPUT SPECIFICATIONS Input Voltage Range Input Filter See Table π Network GENERAL SPECIFICATIONS Switching Frequency Efficiency Isolation (Input-Output) 100 kHz See Table 500VDC (1000 Mohm/80 pF) ENVIRONMENTAL SPECIFICATIONS Operating Temperature Storage Temperature –25°C to +71°C –55°C to +125°C Dimensions and Connections PIN 1 2 3 4 5 Bottom View Dimensions in inches (mm) Specifications subject to change. 31 SINGLE OUTPUT + INPUT - INPUT + OUTPUT NO PIN - OUTPUT DUAL OUTPUT + INPUT - INPUT + OUTPUT COMMON - OUTPUT