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UMEC International Corporation
UM2900 SERIES
40 – 50 Watt DC/DC Converters
♦ 2:1 Input Range ♦ 40-50 W Isolated Output ♦ High-Density ♦ Remote on/off Control ♦ Design meet EN60950 ♦ RoHS Compliant
SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted.
INPUT SPECIFICATIONS Input Voltage Range, 24V ……..…………………….. 18-36V
48V …….……………………… 36-72V Input Filter …….…………………………………… Pi Network
OUTPUT SPECIFICATIONS Voltage Accuracy1, Single Output ………………... ±2%max.
Triple Output +5V ……..…….. ±2%max.
Transient Response2
Auxiliaries ….… ±5% max.
Single, 25% step Load Change ……….….… <500u sec.
External Trim Adj. Range ……….…………………… +10%
Short Circuit Protection …….……………………. Continuous Line Regulation3 Single Output…………..…… ±0.5% max.
UM2900 Datasheet
