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ISOLATED DC/DC CONVERTERS
48 Vdc Input, 1.2 Vdc - 12 Vdc / 15 A - 3 A Outputs, 1/16 Brick Converter
Apr. 09, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
xRSB-30T Series
RoHS Compliant
Rev.B
? Isolated
? Fixed Frequency (550 kHz)
? High Efficiency
? High Power Density
? Low Cost
? Output Voltage Trim
? Basic Insulation
? Input Under-Voltage Lockout
? Output Over-Voltage Shutdown
? OCP/SCP
? Over Temperature Protection
? Remote On/Off (Option)
? Positive/Negative Remote Sense
? Through Hole and SMT(Option)
? UL60950-1 Recognized (UL/cUL)
Description
The xRSB-30T series are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units will
provide up to 30 W of output power from a nominal 48 Vdc input. These units are designed to be highly efficient
and low cost. Features include remote on/off, over current protection and under voltage lockout. These converters
are provided in an industry standard sixteenth brick package.
Part Selection
Output
Voltage
1.2 Vdc
1.5 Vdc
1.8 Vdc
2.5 Vdc
3.3 Vdc
5.0 Vdc
12 Vdc
Input Voltage
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
36 Vdc - 75 Vdc
Max. Output
Current
15 A
13 A
13 A
10 A
10 A
7A
3A
Max. Output
Power
18 W
19.5 W
23 W
25 W
30 W
35 W
36 W
Typical
Efficiency
84%
86%
86%
89%
90%
90%
89%
Model Number
Active Low
xRSB-30TV2L
xRSB-30TV5L
xRSB-30TV8L
xRSB-30T02L
xRSB-30T03L
xRSB-30T05L
xRSB-30T12L
Model Number
Active High
xRSB-30TV20
xRSB-30TV50
xRSB-30TV80
xRSB-30T025
xRSB-30T033
xRSB-30T050
xRSB-30T120
Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging. Replace”x” with “S” to
indicate SMT package, or “0” to indicate through hole package.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Input Voltage Transient (100 ms)
Remote On/Off
I/O Isolation Voltage
Ambient Temperature
Storage Temperature
Min
-0.3 V
-0.3 V
-0.3 V
-
-40 ° C
-55 ° C
Typ
-
-
-
-
-
Max
80 V
100 V
18 V
1500 V
85 ° C
125 ° C
Notes
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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