Document
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.