DC/DC Converter
URF48_QB-200W(F/H)R3 Series
200W, wide input voltage, isolated and regulated single
output DC-DC converter
FEATURES
Ultra-wide 4:1input voltage range
High efficiency up to 91%
I/O isolation test voltage: 2.25kVDC
Input under-voltage protection, output short
circuit, over-current, over–voltage,
over-temperature protection
Operating ambient temperature range: -40℃
to +85℃
Five-sided metal shielding package
Industry standard ¼-Brick package and
pin-out
Patent Protection RoHS
URF48_QB-200W(F/H)R3 series are isolated 200W DC-DC products with 4:1 input voltage. They feature efficiency up to 91%, 2250VDC input
to output isolation,operating temperature of -40℃ to +85℃, input under-voltage, output short circuit , over-current, over–voltage,
over-temperature protection. The products meet CLASS B of CISPR32/EN55032 EMI standards by adding the recommended external
components and they are widely used in applications such as battery powered systems, industrial controls, electricity, instrumentation,
railway, communication and intelligent robotic.
Selection Guide
Input Voltage (VDC)
Nominal
(Range)
Output
Current (A)(Max.)
Full Load Efficiency
(%)Min./Typ.
Capacitive Load
(µF) Max.
①
Part No.
②
Max.
Voltage(VDC)
URF4805QB-200W(F/H)R3
URF4812QB-200W(F/H)R3
URF4815QB-200W(F/H)R3
URF4824QB-200W(F/H)R3
5
40
16.7
13.3
8.4
86/88
89/91
87/89
89/91
89/91
6000
2000
2000
1000
450
12
15
24
48
48
(18-75)
80
URF4848QB-200W(F/H)R3
Note:
4.2
①Use“F”suffix is for added aluminum baseplate and “H” suffix for heat sink mounting. We recommend to choose modules with a heat sink for enhanced heat
dissipation and applications with extreme temperature requirements;
②Exceeding the maximum input voltage may cause permanent damage.
Input Specifications
Item
Operating Conditions
Nominal input voltage
Nominal input voltage
Min.
--
Typ.
Max.
Unit
mA
Input Current (full load/no-load)
Reflected Ripple Current
Surge Voltage (1sec. max.)
Start-up Threshold Voltage
Input Under-voltage Protection
Input Filter
4682/100
4845/200
--
100
--
--
90
18
--
-0.7
--
--
VDC
16
14
Pi filter
Ctrl open circuit or connected to TTL high level
(3.5-12VDC)
Module on
Ctrl pin connected to GND or low level
(0-1.2VDC)
Ctrl*
Module off
Input current when off
--
2
10
mA
Hot Plug
Unavailable
2018.08.23-A/3
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