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PDF UM3200 Data sheet ( Hoja de datos )
| Número de pieza | UM3200 | |
| Descripción | 200 Watt DC/DC Converters | |
| Fabricantes | UNIVERSAL MICROELECTRONICS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UM3200 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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UM3200 SERIES
200 Watt DC/DC Converters
♦ 2:1 Input Range
♦ Efficiency to 80%
♦ 350 KHz Switching Frequency
♦ Short Circuit Protection
♦ Remote on/off Control
♦ Internal Soft Start
♦ 200W Isolation Output
♦ High-Density
SPECIFICATIONS
All specifications are typical at nominal line, full load and
25°C unless otherwise noted.
INPUT SPECIFICATIONS
Input Voltage Range, 48V ……………………………. 36-75V
Input Filter ………………………………………… Pi Network
OUTPUT SPECIFICATIONS
Voltage Accuracy ………..……………….……..… ±1% max.
External Trim Adj. Range …..…………………..……… ±10%
Transient Response1, ±1% Error Band ……..…. <500u sec.
Ripple , 20MHz BW2
Vout: 5V ………….…….………………... 160mV p-p max.
60mV rms max.
Short Circuit Protection ………………….………. Continuous
Line Regulation3 …………………………..…….. ±0.2% max.
Load Regulation4 …………………………..…….. ±0.5% max.
GENERAL SPECIFICATIONS
Efficiency ……..…………………………………..… See Table
Isolation Voltage ……..……………………………….. 500Vdc
Isolation Resistance ……..……….………….. 108 ohms min.
Switching Frequency ……..…………………..… 350KHz typ.
Baseplate Operating Temperature Range
None Derating …………………………… -25°C to +85°C
Cooling ………………………….….…… Free Air Convection
Storage Temperature Range …..…………. -40°C to +105°C
Dimensions ……………………………..… 2.4*4.6*0.5 inches
(61.0*116.84*12.7 mm)
NOTE
1. di/dt= 0.1A/1uS, Vin=48V,Tc=25°C; load change =0.5 Io
max. to 0.75 Io max. and 0.75 Io max. to 0.5 Io max.
2. Measured with 10uF tantalum capacitor and 0.1uF & 1uF
ceramic capacitor across output.
3. Measured from high line to low line.
4. Measured from full load to 1/4 load.
5. Maximum capacitive load across the output ports should
not over following indicated values.
6. This converter required a minimum 10% loading on the
output to maintain specified regulation. Operation under
no-load condition will not damage these devices,
However they may not meet all listed specification.
7. Standard product is active low, active high remote on/off
option is available, to order suffix a “H” to the model
number e.g. UM3211H
STANDARD REMOTE ON/OFF CONTROL
Logic Compatibility………………………………………..
……………………….CMOS or Open Collector TTL
Ec-OFF …..………………... > +2.5 VDC or Open Circuit
Ec-ON ……..……………………………….….< 0.8 VDC
Control Common …………. Referenced to Input Minus
EXTERNAL OUTPUT TRIMMING
Output may optionally be externally trimmed (±10%) with a fixed
resistor or an external trimpot as shown.
UM3200
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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