DC/DC Converter
URF1D_QB-100W Series
100W, wide input voltage, isolated & regulated single
output DC-DC converter
FEATURES
Wide input voltage range: 66-160V
High efficiency up to 92%
Low no-load power consumption
Isolation voltage: 3K VDC
Operating temperature range: -40℃ to +100℃
Input under-voltage protection, output short
circuit, over-current, over–voltage,
over-temperature protection
International standard: 1/4 brick
Patent Protection RoHS
URF1D_QB -100W Series is a high performance product designed for the field of railway applications. The DC/DC converters feature 100W
output power, no min. load requirement, wide input voltage of 66-160VDC, And allow the high base plate temperature(up to 100℃). The
products also provide input under-voltage protection, output over-voltage protection, short-circuit protection, over-temperature
protection, remote control and compensation, output voltage regulation functions. And target railway system.
Selection Guide
Input Voltage (VDC)
Output
Output Current
Efficiency (%, Typ)
@ Full Load
Max. Capacitive
Load(µF)
Part No.
Nominal
Max.*
Output
Voltage(VDC)
(mA)(Max./Min.)
(Range)
URF1D12QB-100W
URF1D12QB-100WH
URF1D15QB-100W
URF1D15QB-100WH
URF1D24QB-100W
URF1D24QB-100WH
12
15
24
8333/0
87/89
87/89
90/92
6000
4700
3000
110
170
6667/0
4167/0
(66-160)
Note: *Exceeding the maximum input voltage may cause permanent damage.
Input Specifications
Item
Operating Conditions
Nominal input voltage
Nominal input voltage
Min.
Typ.
5/1021
5/1021
5/988
50
Max.
Unit
mA
URF1D12QB-100W(H)
URF1D15QB-100W(H)
URF1D24QB-100W(H)
--
--
15/1044
Input Current (no-load / full load)
15/1044
--
15/1010
Reflected Ripple Current
Surge Voltage (1sec. max.)
Starting Voltage
--
--
180
66
--
-0.7
--
--
--
VDC
mS
Input Under-voltage Protection
Starting Time
--
58
--
25
--
Input Filter
Pi filter
Hot Plug
Unavailable
Ctrl open circuit or connected to TTL high level
(3.5-12VDC)
Module switch on
Module switch off
Ctrl*
Ctrl connected to -Vin or low level (0-1.2VDC)
Input current when switched off
mA
--
2
--
Note: * the voltage of Ctrl pin is relative to input pin -Vin.
Output Specifications
Item
Operating Conditions
Min.
--
Typ.
--
Max.
±2
Unit
%
Nominal input voltage, 10%-100% load
Nominal input voltage, 0%-10% load
Full load, the input voltage is from low to high
Nominal input voltage,10%-100% load
Output Voltage Accuracy
--
--
±3
Line Regulation
Load Regulation
--
--
±0.3
±0.5
--
--
2017.07.19-A/3
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