UM1511 Datasheet | Universal Microelectronic

UM1500 SERIES 15 to 20 Watt DC-DC Converters - Surface Mount Technology - Efficiency 82% - Wide Input Range - 10.2 Watt/Cubic Inch - Remote On/Off Control - Low Profile SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted. INPUT SPECIFICATIONS Input Voltage Range, 15W …………………….…..… 48V Nominal, 18-72 VDC 20W ………………………..…. 24V Nominal, 18-36 VDC 48V Nominal, 36-72 VDC Input Filter …………………………………….…… Pi Network OUTPUT SPECIFICATIONS Voltage Accuracy, Single Output ……………….…±1% max. Dual,+Output ……....……...…. ±1% max. -Output ……………...…. ±2% max. Triple, 5V ……...……………… ±1% max. ±12V/15V ………...……. ±3% max. Voltage Balance, Dual Output at Full Load …………………..………………………………. ±2.0% max. Transient Response, Single, Dual , 25% Step Load Change, ±1% Error Band ………………………….…..…. <500u sec. External Trim Adj. Range ……….……………..………. +10% Ripple and Noise , 20MHz BW1 ……..…… 15m V RMS max. 75m V P-P max. Temperature Coefficient …..…….…....… ±0.02％/°C max. Short Circuit Protection ……………………..…… Continuous Overvoltage Protection Trip Point ( Zener Clamp Type ) 5V …………………………………………....………… 6.8V 12V ……………………………..………………………... 15V 15V ………………………………..……….…………….. 18V Line Regulation2, Single/Dual Output …..…..…. ±0.5% max. Triple Output ……………….……. 1% max. Load Regulation3,Single Output … ….… ±0.5% max. Dual Output ……….……….….. ±1% max. Triple Output +5V …….…….… ±1% max. Auxiliaries ..…… ±5% max. GENERAL SPECIFICATIONS Remote On/Off Control ………………………….. See Below Efficiency ….………….…………………..…..….… See Table Isolation Voltage ………………..………..…… 500 VDC min. Isolation Resistance ..………………………... 108 ohms min. Switching Frequency Single/Dual …………….…………………… 330KHz typ. Triple ……………….…….…………………..… 200KHz typ. Operating Temperature Range, Ambient, 15W,None Derating ……..…....… -40°C to +71°C 20W, None Derating …..……...… -40°C to +60°C Cooling …..………………..………… Free Air Convection Storage Temperature Range …………..…. -55°C to +105°C Dimensions...