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UM5112

Universal Microelectronic
Part Number UM5112
Manufacturer Universal Microelectronic
Description (UM5100 series) SMD DC-DC Converters
Published Dec 26, 2005
Detailed Description UM5100 SERIES 5-7.5 Watt SMD DC-DC Converters ♦ Surface Mount Isolated DC-DC Converter ♦ High Efficiency ♦ 2:1 Input Ran...
Datasheet PDF File UM5112 PDF File

UM5112
UM5112

Overview
UM5100 SERIES 5-7.
5 Watt SMD DC-DC Converters ♦ Surface Mount Isolated DC-DC Converter ♦ High Efficiency ♦ 2:1 Input Range ♦ Pi Input Filter ♦ 1500 VDC Isolation ♦ Continuous Short Circuit Protection SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted.
GENERAL SPECIFICATIONS INPUT SPECIFICATIONS Input Voltage Range, 12V ……….
…………….
……….
9-18V 24V ……………………….
…… 18-36V 48V …….
……………………… 36-75V Input Filter …………………………………….
……….
Pi Type OUTPUT SPECIFICATIONS Voltage Accuracy ……………………….
.
…….
… ±2.
0% max.
Voltage Balance Dual Output at Full Load ………………………………………………….
.
… ±1% max.
Transient response Single, 25% Step Load Change …………….
.
<500 u sec.
Dual, FL-1/2FL, ±1% Error Band (Dual Outputs Loaded Equally) ….
….
.
……… <500 u sec.
1 Ripple and Noise, 20MHz BW 3.
3V, 5V ………………….
50mVp-p max.
12V, 15V ……………….
.
100mVp-p max.
Temperature Coefficient ….
.
….
.
.
…………….
.
.
… ±0.
05%/°C Short Circuit Protection ………………………….
Continuous 2 Line Regulation …………………………….
.
….
….
.
….
±0.
5% 3 Load Regulation ………………………….
.
….
.
……….
±1.
0% w w w t a .
D S a e h NOTES 100%.
Efficiency ……….
…….
………………………….
….
See Table Isolation Voltage ……………….
.
…………… 1500 VDC min.
8 Isolation Resistance ……………….
.
…………10 Ohms min.
Switching Frequency ……….
….
……………….
400 KHz typ.
4 Operating Temperature Range , Ambient, None Derating ……………….
… -25°C to +71°C Cooling ….
……………….
…………… Free Air Convection Storage Temperature Range ………….
….
-40°C to +100°C Case Material …….
.
………………….
.
Black-Coated Copper With Non-Conductive Base Dimensions .
.
……….
.
…….
.
…….
.
….
… 1.
25*0.
8*0.
45 inches (31.
8*20.
3*11.
4mm) Weight ……………………………………………………… 18g U 4 t e .
c m o 1.
Measured with 1uF ceramic capacitor connect to the output pins.
2.
Measured from high line to low line.
3.
Measured from full load to 10% load, dual outputs loaded equally.
4.
Output Power Ambient Temperature -25 71 100 (°C) 5.
The converter required a minimum 10% loading on the output.
Operation below 10% load conditions will not damage these d...


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