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
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
INPUT SPECIFICATIONS
Input Voltage Range, 12V ……….…………….………. 9-18V
24V ……………………….…… 18-36V
48V …….……………………… 36-75V
Input Filter …………………………………….………. Pi Type
NOTES
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
100%.
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
devices. However they may not meet all listed spec.
6. Recommended Reflow Soldering
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%
UMEC
INTERNATIONAL
UM5100
1 of 2
2539 W. 237TH STREET, SUITE A,
TORRANCE,
CA 90505
TEL:
(310) 326-7072
FAX:
(310) 326-7058
REV.4
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