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XRSB-40UV50 Datasheet(PDF) 5 Page - Bel Fuse Inc.

Part # XRSB-40UV50
Description  ISOLATED DC/DC CONVERTERS
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Manufacturer  BEL [Bel Fuse Inc.]
Direct Link  http://www.belfuse.com
Logo BEL - Bel Fuse Inc.

XRSB-40UV50 Datasheet(HTML) 5 Page - Bel Fuse Inc.

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Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
 Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com
5
ISOLATED DC/DC CONVERTERS
24 Vdc/48 Vdc Input 1.2 Vdc - 12 Vdc / 18 A - 3.5 A Outputs, 1/16 Brick
Converter
Apr. 07, 2011
Bel Power Inc., a subsidiary of Bel Fuse Inc.
General Specifications
Parameter
Min
Typ
Max
Unit
Notes
Efficiency
Vo=1.2 V
Vo=1.5 V
Vo=1.8 V
Vo=2.5 V
Vo=3.3 V
Vo=5.0 V
Vo=12 V
78
79
81
83
85
85
83
82
84
85
86
87.5
87
85
-
-
-
-
-
-
-
%
%
%
%
%
%
%
Vin=48 V, full load
Switching Frequency
Vo=1.2 V -12 V
Vo=1.8 V
450
500
500
550
550
600
KHz
KHz
Isolation Capacitance
-
3900
-
pF
Over Temperature Protection
-
125
-
C
The OTP threshold is set at 125
C in
non-latch mode, and the module will
restart automatically when
temperature falls down to 115
C.
Output Voltage Trim Range
90
-
110
% Vo
Over Voltage Protection
-
130
160
% Vo
Test conditions: Vin=48 V, full load
and short the feedback optocoupler.
MTBF
TBD
-
Calculated Per Bell Core SR-332 (IO
= Nominal; Ta = 25
C)
1.30 x 0.90 x 0.493
33.02 x 22.86 x 12.53
-
SRSB-40Uxxx
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
1.30 x 0.90 x 0.507
33.02 x 22.86 x 12.89
-
0RSB-40Uxxx
Weight
-
14
-
g
Note: All specifications are typical at 25 C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Unit
Notes
Remote On/Off
Signal Low (Unit On)
-0.3
-
0.8
V
Signal High (Unit Off)
Active Low
2.4
-
18
V
Signal Low (Unit Off)
-0.3
-
0.8
V
Signal High (Unit On)
Active High
2.4
-
18
V
When Remote On/Off pin is
open, for active low option,
unit is off; for active high
option, unit is on
Current Sink
-
0
-
1
mA


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