Universal Microelectronic UM2401
DC-DC Converters
UM2400 SERIES 25 to 30 Watt DC-DC Converters ♦ 4:1 Input Range ♦ 30W Isolated Output ♦ Efficiency to 83% ♦ Remote On/Off Control ♦ 100 KHz Switching Frequency ♦ Six-Sided Shield ♦ Conductive EMI Meets CISPR22 Class A SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted. GENERAL SPECIFICATIONS Efficiency .…………………………….…………….. See Table Isolation Voltage …………………….………. 1500 VDC min. 8 Isolation Resistance .……………..….…….… 10 ohms min. Switching Frequency …….……..…………….……… 100KHz Case Grounding ……………….... Capacity Coupled to Input Operating Temperature Range Ambient, None Derating ……………….….. -25°C to +60°C Derating .……………….….….……….... 0.67W/°C Cooling .……………………….……..... Free-Air Convection Storage Temperature Range ………...…… -55°C to+105°C EMI/RFI .……………….….….. Six-Sided Continuous Shield Dimensions …………….……………… 2.56*3.0*0.83 inches (65*76.2*21.1mm) Case Material …………………… Black-Coated Copper with Non-Conductive Base Weight .…………………………………………………....