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 WC Series: 15 Watt Wide Input Range FEATURES • • • • • 2:1 Input Range Isolated Outputs Efficiency to 86% 100 kHz Switching Frequency Overvoltage Protection • • • • • Input π Filter Fully Regulated Outputs Six-sided Shield PCB Mountable Short Circuit Protection MODELS CHART MODEL NUMBER WC101 WC102 WC103 WC104 WC105 WC106 WC201 WC202 WC203 WC204 WC205 WC206 WC301 WC302 WC303 WC304 WC305 WD306 INPUT VOLTAGE 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC OUTPUT VOLTAGE 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC OUTPUT CURRENT 3000mA 1250mA 1000mA ±1500mA ±625mA ±500mA 3000mA 1250mA 1000mA ±1500mA ±500mA ±625mA 3000mA 1250mA 1000mA ±1500mA ±625mA ±500mA NOTE: Nominal Input Voltage 12, 24, or 48 VDC 34 INPUT CURRENT NO LOAD FULL LOAD 30mA 1560mA 30mA 1540mA 30mA 1525mA 30mA 1560mA 30mA 1540mA 30mA 1520mA 20mA 760mA 20mA 750mA 20mA 745mA 20mA 760mA 20mA 750mA 20mA 745mA 20mA 370mA 20mA 370mA 20mA 365mA 20mA 370mA 20mA 370mA 20mA 365mA % EFF 80 81 82 80 81 82 82 83 84 82 83 84 84 84 86 84 84 86 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) Voltage Balance, Dual Output at Full Load Ripple and Noise (DC-20MHz) Temperature Coefficient Short Circuit Protection ±1% max. ±0.5% max. ±1% max. ±1% max. 1% of Vout max. ±0.02%/°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/80pF) ENVIRONMENTAL SPECIFICATIONS Operating Temperature Storage Temperature –25°C to +71°C –55°C to +105°C Dimensions and Connections PIN 1 2 3 4 5 SINGLE OUTPUT + INPUT - INPUT + OUTPUT TRIM - OUTPUT DUAL OUTPUT + INPUT - INPUT + OUTPUT COMMON - OUTPUT EXTERNAL OUTPUT TRIMMING OUTPUT MAY OPTIONALLY BE EXTERNALLY TRIMMED (±5%) WITH A FIXED RESISTOR OR AN EXTERNAL TRIMPOT AS SHOWN. NOTE: 1. External trim available as an option. Dimensions in inches (mm) Specifications subject to change. 35