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PDF UM1011 Data sheet ( Hoja de datos )
| Número de pieza | UM1011 | |
| Descripción | 3 Watt DC-DC Converters | |
| Fabricantes | UNIVERSAL MICROELECTRONICS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UM1011 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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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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