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
♦
RoHS compliant
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.
Isolation Resistance ………………..…………10
8
Ohms min.
Switching Frequency ……….….………………. 400 KHz typ.
Operating Temperature Range
4
,
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
RoHS STATUS
The UM5100 series products are lead-free and
comply with the requirements in the European RoHS
directive 2002/95/EC, but the heat resistance of the
moulded package do not comply with lead-free reflow
soldering processes temperature profiles according to
IPC/JEDEC J STD 020C.
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.
Ripple and Noise, 20MHz BW
1
3.3V, 5V …………………. 50mVp-p max.
12V, 15V ……………….. 100mVp-p max.
Temperature Coefficient …..…...……………...… ±0.05%/°C
Short Circuit Protection …………………………. Continuous
Line Regulation
2
……………………………..….…..…. ±0.5%
Load Regulation
3
…………………………..…..………. ±1.0%
UNIVERSAL
MICROELECTRONICS
UM5100
1
of 2
3,27TH RD., TAICHUNG INDUSTRIAL PARK,
TAICHUNG, TAIWAN, R.O.C.
TEL: 886-4-23590096 FAX: 886-4-23590129
REV.5
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EEWORLD
