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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 25C 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 ...................... -25C to +71C Cooling ...................................... Free Air Convection Storage Temperature Range ................. -40C to +100C 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
MODEL NUMBER
INPUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT CURRENT
UM5109 12 VDC 3.3 VDC 1500 mA UM5111 24 VDC 5 VDC 1500 mA UM5112 24 VDC 12 VDC 625 mA UM5113 24 VDC 15 VDC 500 mA UM5116 24 VDC 15 VDC 250 mA UM5119 24 VDC 3.3 VDC 1500 mA UM5121 48 VDC 5 VDC 1500 mA UM5122 48 VDC 12 VDC 625 mA UM5123 48 VDC 15 VDC 500 mA UM5129 48 VDC 3.3 VDC 1500 mA NOTE: Other output voltage can be supported upon request. CASE A
INPUT CURRENT NO LOAD FULL LOAD 45 mA 565 mA 30 mA 406 mA 30 mA 390 mA 30 mA 390 mA 30 mA 390 mA 30 mA 279 mA 20 mA 197 mA 20 mA 191 mA 20 mA 191 mA 20 mA 139 mA
CASE A A A A A A A A A A
EFFICIENCY 73% 77% 80% 80% 80% 74% 79% 82% 82% 74%
24 23 22 21 20
1 2 3 4 5
16 15 14 13
BOTTOM VIEW
9 10 11 12
Recommended Pad Position & Dimension
All dimensions in inches (mm). Note 1: Cut-corner marking for Pin No.1 Note 2: Tolerance .xx =0.04" .xxx=0.010"
Pin Connections
Single Output NC* 1 -V Input 2 -V Input 3 NC* 4 NC* 5 NC* 9 NC* 10 NC* 11 NC* 12 NC* 13 +V Output 14 NC* 15 -V Output 16 NC* 20 NC* 21 +V Input 22 +V Input 23 NC* 24 * NC (No Connection) Pin Dual Output NC* -V Input -V Input NC* NC* Common NC* -V Output NC* NC* +V Output NC* Common NC* NC* +V Input +V Input NC*
UMEC INTERNATIONAL
UM5100 2 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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