Document
UM1000 SERIES
3 Watt DC-DC Converters
♦ Utilizes Surface Mount Technology ♦ 2:1 Input Range ♦ 7.5 Watts/Cubic Inch ♦ Efficiency to 80% ♦ Remote On/Off Control ♦ 200 KHz Switching Frequency ♦ Continuous Short Circuit Protection ♦ RoHS Compliant
SPECIFICATIONS All specifications are typical at nominal line full load, and 25°C unless otherwise noted.
INPUT SPECIFICATIONS Input Voltage Range, 24V ………………………….... 18-36V
48V …………………………..... 36-72V Input Filter .……………………………………….... Pi Network Remote On/Off Control .…………………. "TC" Pin-Out Only
OUTPUT SPECIFICATIONS Voltage Accuracy, Single Output ..……………….. ±1% max.
Dual + Output ………….……... ±1% max. -Output .………………... ±1% max.
Voltage Balance, Dual Output at Full Load ……………………………..………………….... ±1.0% max.
Transient Response, Single, 25% Step Load Change .……………….. <500μsec. Dual,FL-1/2FL,±1% Error Band .……………….. <500μsec. Ripple and Noise, 20MHz BW,
Single ….………………………………….. 100mV P-P max. Dual ……………………………………..... 100mV P-P max. Temperature Coefficient ..………………..... ±0.02%/°C max. Line Regulation1 ………………..………………... ±0.2% max. Load Regulation2, Single Output ………………. ±0.5% max.
Dual Output .………….…….. ±0.5% max. Short Circuit Protection .…………….…………... Continuous
GENERAL SPECIFICATIONS
Efficiency .…………………………………………... See Table Isolation Voltage3 …..………….... 500 VDC, 1000 VDC min. Isolation Resistance ………………………..... 108 ohms min. Isolation Capacitance .…………………....…….... 300pF typ. Switching Frequency .…………………...……... 200KHz typ. Operating Temperature Range, Ambient None Derating …………………….. -25°C to +71°C Cooling .…………………………………. Free Air Convection Storage Temperature Range .……………... -40°C to+125°C Dimensions Case A .…………….. 1.25 x 0.80 x 0.40 inches
(31.8 x 20.3 x 10.2 mm) Case Material ……..………... Non-Conductive Black Plastic
UL94V-0 Weight ..…………………..………………………………... 15g
NOTES:
1. Measured from high line to low line. 2. Measured from full load to no load, dual outputs loaded
equally. 3. 1000 VDC for “T”/”TC” pin-out only.
REMOTE ON/OFF CONTROL Control Input …………………………………………… Pin 20 Control Common ………..………………………… Pin 23,24 Logic Compatibility ……………………………………………. …………………………..…. COMS or Open Collector TTL Control Voltage ………………………………………………..
On ………………………..…. >+5.5 VDC Or Open Circuit Off ………………….. <+1.8 VDC or Jumper to Pin 23,24 Converter Shutdown Idle Current …………….……… 10mA
UM1000
UNIVERSAL MICROELECTRONICS
3,27TH RD., TAICHUNG INDUSTRIAL PARK, TAICHUNG, TAIWAN, R.O.C. TEL: 886-4-23590096 FAX: 886-4-23590129
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MODEL NUMBER
UM1001 UM1002 UM1003 UM1004 UM1005 UM1006 UM1009 UM1011 UM1012 UM1013 UM1014 UM1015 UM1016 UM1019
INPUT VOLTAGE
24 VDC
48 VDC
OUTPUT VOLTAGE
5 VDC 12 VDC 15 VDC ±5 VDC ±12 VDC ±15 VDC 3.3 VDC
5 VDC 12 VDC 15 VDC ±5 VDC ±12 VDC ±15 VDC 3.3 VDC
OUTPUT CURRENT
500 mA 250 mA 200 mA ±250 mA ±125 mA ±100 mA 500 mA 500 mA 250 mA 200 mA ±250 mA ±125 mA ±100 mA 500 mA
INPUT CURRNET
NO LOAD 15 mA 15 mA 15 mA 15 mA 20 mA 20 mA 15 mA
10 mA 10 mA 10 mA 10 mA 10 mA 10 mA 10 mA
FULL LOAD .