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UM1500 SERIES
15 to 20 Watt DC-DC Converters
Surface Mount Technology Efficiency 82% Wide Input Range 10.2 Watt/Cubic Inch Remote On/Off Control Low Profile
SPECIFICATIONS
All specifications are typical at nominal line, full load and 25C unless otherwise noted.
GENERAL SPECIFICATIONS
INPUT SPECIFICATIONS
Input Voltage Range, 15W ................................. 48V Nominal, 18-72 VDC 20W ................................. 24V Nominal, 18-36 VDC 48V Nominal, 36-72 VDC Input Filter ................................................. Pi Network
OUTPUT SPECIFICATIONS
Voltage Accuracy, Single Output ......................1% max. Dual,+Output ....................... 1% max. -Output ...................... 2% max. Triple, 5V ........................... 1% max. 12V/15V ................... 3% max. Voltage Balance, Dual Output at Full Load ............................................................ 2.0% max. Transient Response, Single, Dual , 25% Step Load Change, 1% Error Band ........................................ <500u sec. External Trim Adj. Range ..................................... +10% 1 Ripple and Noise , 20MHz BW .............. 15mV RMS max. 75mV P-P max. Temperature Coefficient ...................... 0.02/C max. Short Circuit Protection ................................ Continuous Overvoltage Protection Trip Point ( Zener Clamp Type ) 5V ................................................................ 6.8V 12V ................................................................. 15V 15V ................................................................. 18V 2 Line Regulation , Single/Dual Output .............. 0.5% max. Triple Output .......................... 1% max. 3 Load Regulation ,Single Output ...................... 0.5% max. Dual Output ......................... 1% max. Triple Output +5V ................. 1% max. Auxiliaries ........ 5% max.
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NOTES:
Remote On/Off Control ................................ See Below Efficiency .................................................... See Table Isolation Voltage ..................................... 500 VDC min. 8 Isolation Resistance ................................ 10 ohms min. Switching Frequency Single/Dual ............................................. 330KHz typ. Triple .................................................... 200KHz typ. Operating Temperature Range, Ambient, 15W,None Derating .................. -40C to +71C 20W, None Derating ................. -40C to +60C Cooling .......................................... Free Air Convection Storage Temperature Range .................. -55C to +105C Dimensions Case J .......................... 2.0x1.6x0.46 Inches (50.8x40.6x11.7 mm) Case Material ........................ Black Coated Copper With Non-Conductive Base Weight ............................................................... 50g
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1. Measured with 3.3uF/25V tantalum capacitor across each output for triple output models,0.1uF ceramic capacitor across each output for single and dual output models. 2. Measured from high line to low line. 3. Measured from full load to specified load with all other outputs at rated load: singe: full load to 1/4 load; dual outputs loaded balanced from full load to 1/2 load, triple: full load to 1/10 load. REMOTE ON/OFF CONTROL Control Input ............................................... Pin 1 Control Common ......................................... Pin 3 Logic Compatibility............................................. ........................... CMOS or Open Collector TTL Control Voltage................................................... On ............................ >+2.5 VDC or Open Circuit Off ....................... < +0.8 VDC or Jumper to Pin 3 Converter Shutdown Idle Current .................. 10 mA
UNIVERSAL MICROELECTRONICS
UM1500 1 OF 2
ee PARK, 3,27TH RD., TAICHUNG INDUSTRIAL Sh TAICHUNG, TAIWAN, R.O.C. ta TEL: 886-4-23590096 FAX: 886-4-23590129 a D . w w w
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MODEL NUMBER UM1501 UM1502 UM1503 UM1504 UM1505 UM1506 UM1507 UM1511 UM1512 UM1513 UM1514 UM1515 UM1521 UM1522 UM1523 UM1524 UM1525
INPUT RANGE
OUTPUT VOLTAGE 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC +5/12 VDC +5/15 VDC 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 12 VDC 15 VDC
OUTPUT CURRENT 3000 mA 1250 mA 1000 mA 650 mA 500 mA 1500/310 mA 1500/200 mA 4000 mA 1670 mA 1330 mA 833 mA 666 mA 4000 mA 1670 mA 1330 mA 833 mA 666 mA
INPUT CURRENT NO LOAD 30 mA 30 mA 30 mA 35 mA 35 mA 35 mA 35 mA 60 mA 60 mA 60 mA 60 mA 60 mA 30 mA 30 mA 30 mA 30 mA 20 mA FULL LOAD 400 mA 385 mA 395 mA 415 mA 395 mA 395 mA 395 mA 1055 mA 995 mA 995 mA 995 mA 995 mA 530 mA 500 mA 500 mA 500 mA 525 mA
% EFF 78 82 80 78 80 80 80 79 84 84 84 84 79 84 84 84 80
REGULATION LINE 0.5% 0.5% 0.5% LOAD 0.5% 0.5% 0.5%
CASE
18-72 VDC
0.5% 0.5%
0.5/2.0% 0.5/2.0% 0.5% 0.5% 0.5%
1.0% 1.0%
0.5/5.0% 0.5/5.0% 0.5% 0.5% 0.5%
J
18-36 VDC
J
0.5% 0.5%
0.5% 0.5% 0.5%
1.0% 1.0%
0.5% 0.5% 0.5% J
36-72 VDC
0.5% 0.5%
1.0% 1.0%
NOTES: 1. Minimum current of 10% full load required on main output and auxiliaries for triple output models. 2. Maximum capacitive load across the output ports should not be over following indicated values.
MODEL NUMBER MAXIMUM CAPACITIVE LOAD (uF)
2
UM1501 +2200
UM1502 +680
UM1503 +330
UM1504 +330 -330
UM1505 +270 -270
UM1506 +680
UM1507 +680 68
UM1511 UM1521 +2200
UM1512 UM1522 +680
UM1513 UM1523 +330
UM1514 UM1524 +330 -330
UM1515 UM1525 +270 -270
100
CASE J
Operating Limits and Output Power Range. 100%
15W
NATURAL CONVECTION COOLINE
20W +71C
-40 -20
0
+20
+40
+60 +80 +100
All dimensions in inches (mm). Tolerance .xx =0.04" .xxx=0.010"
EXTERNAL OUTPUT TRIMMING
Triple Control No Pin -Input +Input +12V, 15V +5V Common -12V, 15V
Pin 1 2 3 4 5 6 7 8
PIN CONNECTIONS Single Dual Control Control No Pin No Pin -Input -Input +Input +Input No Pin +Output +Output Common -Output -Output Trim Trim
Output may optionally be externally trimmed(+10%) with a fixed resister or an external trimpot as shown.
+Vout
10K
-Vout TRIM
TRIM UP TRIM UP
UNIVERSAL MICROELECTRONICS
UM1500 2 OF 2
3,27TH RD., TAICHUNG INDUSTRIAL PARK, TAICHUNG, TAIWAN, R.O.C. TEL: 886-4-23590096 FAX: 886-4-23590129
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