UM1004W-4 3 Watt DC/DC Converters

UM1004W-4 3 Watt DC/DC Converters

UMEC International Corporation UM1000W-4 SERIES 3 Watt DC/DC Converters ♦ Utilizes Surface Mount Technology ♦ 4:1 Input Range ♦ 7.5 Watts/Cubic Inch ♦ Efficiency to 80% ♦ 200KHz Switching Frequency ♦ Continuous Short Circuit Protection SPECIFICATIONS All specifications are typical at nominal line, .

Features

s GENERAL SPECIFICATIONS INPUT SPECIFICATIONS Efficiency ….…………….…………………….……. see Table Isolation Voltage …………………………….. 1500 VDC min. Isolation Resistance ………………………….. 108Ohms min. Isolation Capacitance ………………….……..……… 1000pF Switching Frequency …………………………… 200KHz typ. Operating Temperature Range Ambient, None Derating …..……………. -40°C to +75°C Case Temperature …………..………….…... 100°C max. Cooling ……………………………… Free Air Convection Storage Temperature Range ……………... -40°C to +125°C Dimensions Case A ……..……….…. 1.25*0.80*0.40 inches (31.8*20.3*10.2 mm) Case Material ………..……… Non-Conductive Black .