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UM425 Dataheets PDF



Part Number UM425
Manufacturers UNIVERSAL MICROELECTRONICS
Logo UNIVERSAL MICROELECTRONICS
Description 5 to 6 Watt DC-DC Converters
Datasheet UM425 DatasheetUM425 Datasheet (PDF)

UM400 SERIES 5 to 6 Watt DC-DC Converters ♦ High Performance ♦ Regulated Outputs ♦ Pi Input Filter ♦ 60% Efficiency ♦ Six-Sided Shield SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted. INPUT SPECIFICATIONS Input Voltage Range ………………………….…..…See Table Input Filter …………………………....………..….. Pi Network OUTPUT SPECIFICATIONS Voltage Accuracy ………………….………..…± 1.0% max. Voltage Balance, Dual Output …..………….…..……± 0.5% Temperature Coefficient Single .

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UM400 SERIES 5 to 6 Watt DC-DC Converters ♦ High Performance ♦ Regulated Outputs ♦ Pi Input Filter ♦ 60% Efficiency ♦ Six-Sided Shield SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted. INPUT SPECIFICATIONS Input Voltage Range ………………………….…..…See Table Input Filter …………………………....………..….. Pi Network OUTPUT SPECIFICATIONS Voltage Accuracy ………………….………..…± 1.0% max. Voltage Balance, Dual Output …..………….…..……± 0.5% Temperature Coefficient Single Output ……...……………………………± 0.02%/°C Dual Output ……..………………………………± 0.01%/°C Ripple and Noise1, 20MHz BW Single Output ……...………………..……… 50mV P-P max. Dual Output ……...……………………….… 35mV P-P max. Short Circuit Protection …..………………...…. Current Limit Line Regulation ………………………………..……. ± 0.02% Load Regulation ………………………...……....……. ± 0.2% Efficiency ……….………………….………..……..……… 60% Isolation Voltage ………………………………. 500 VDC min. Isolation Capacitance ………………………………..…. 80pF Isolation Resistance ………………………….. 108 Ohms min. Switching Frequency ……….…………………... 20 KHz min. Operating Temperature Range Ambient, None Derating ………….……… -25°C to +71°C Cooling …..…………………………… Free Air Convection Storage Temperature Range ………….…. –40°C to +100°C EMI/RFI2 ….…………………... Six-Sided Continuous Shield Dimensions ……………………………...…… 2*2*0.4 inches (50.8*50.8*10.2mm) Case Material Standard Models ………..… Non-Conductive Black Plastic UL94V-0 Suffix ”M” Models …………..…. Black-Coated Copper with Non-Conductive Base Weight ……..………………………………………………. 46g Input Voltage 60% FL 80% FL 5V 4.4-6.5V 4.5-6.0V 12V 10.56-15.6V 10.8-14.4V 24V 21.12-31.2V 21.6-28.8V 28V 24.64-36.4V 25.2-33.6V 48V 42.24-62.4V 43.2-57.6V 100% FL 4.65-5.5V 11.16-13.2V 22.32-26.4V 26.04-30.8V 44.64-52.8V NOTES: 1. Measured with 0.1uF ceramic capacitor connected to the output pins. 2. Metal case only. GENERAL SPECIFICATIONS MODEL NUMBER UM401 UM402 UM403 UM404 UM405 UM406 UM407 UM408 UM409 UM410 UM411 UM412 UM413 UM414 UM415 UM416 UM417 UM418 UM419 UM420 UM421 UM422 UM423 UM424 UM425 INPUT VOLTAGE 5 VDC 12 VDC 24 VDC 28 VDC 48 VDC OUTPUT VOLTAGE 5 VDC 12 VDC 15 VDC ± 12 VDC ± 15 VDC 5 VDC 12 VDC 15 VDC ± 12 VDC ± 15 VDC 5 VDC 12 VDC 15 VDC ± 12 VDC ± 15 VDC 5 VDC 12 VDC 15 VDC ± 12 VDC ± 15 VDC 5 VDC 12 VDC 15 VDC ± 12 VDC ± 15 VDC OUTPUT CURRENT 1000mA 470mA 400mA ± 230mA ± 190mA 1000mA 470mA 400mA ± 230mA ± 190mA 1000mA 470mA 400mA ± 230mA ± 190mA 1000mA 470mA 400mA ± 230mA ± 190mA 1000mA 470mA 400mA ± 230mA ± 190mA INPUT CURRENT NO LOAD 60mA 80mA 85mA 130mA 130mA 40mA 50mA 40mA 60mA 60mA 25mA 25mA 25mA 25mA 35mA 25mA 25mA 25mA 30mA 30mA 20mA 20mA 20mA 25mA 25mA FULL LOAD 1650mA 1750mA 1800mA 1700mA 1700mA 690mA 710mA 750mA 710mA 710mA 350mA 360mA 370mA 360mA 360mA 290mA 300mA 310mA 300mA 300mA 170mA 170mA 180mA 170mA 170mA NOTE: 1.Alternate pin-out version. If available are designated by suffixes. For example,UM401 is also available as UM401S and UM401T. CASE C CASE C C C C C ALT1 PIN OUT S, T S, T S, T S, T S, T *NP(NO P.


UM424 UM425 2N3819


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