NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
0.75 Vdc - 5.0 Vdc/10 A Output
VRBC-10A2Ax
RoHS Compliant
Rev.A
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Non-Isolated
Fixed Frequency
High Efficiency
Low Cost
Wide Input
Flexible Output Voltage
Sequencing
Output Voltage Prebias
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Under-Voltage Lockout (UVLO)
Over Temperature Shutdown
OCP/SCP
Wide Trim
Remote Sense
Remote On/Off
Active Low/High (Option)
Industrial Temperature Range
Description
The Bel VRBC-10A2Ax are series of the non-isolated dc/dc converter Power Module. The modules use a SIP
package. These converters are available in a range of output voltages from 0.75 Vdc to 5.0 Vdc over a wide
range of input voltage (VIN = 8.3 Vdc - 14 Vdc). The Bel VRBC-10A2Ax has a sequencing feature that enables
designers to implement various types of output voltage sequencing when powering. The efficiency is typically
95% at 5 Vdc output at full load.
Part Selection
Output
Voltage
0.75 V - 5.0 V
Input
Voltage
8.3 V - 14 V
Max. Output
Current
10 A
Max. Output
Power
50.0 W
Typical
Efficiency
95%
Model Number
Active Low
VRBC-10A2AL
Model Number
Active High
VRBC-10A2A0
Notes : 1. Add “G” suffix at the end of the model number to indicate Tray Packaging.
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)
Output Enable Terminal Voltage
Min
-0.3 V
-0.3 V
Typ
-
-
Max
15 V
15 V
Notes
Sequencing Voltage
1
-0.3 V
-
Vin
Ambient Temperature
Storage Temperature
-40 ° C
-55 ° C
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-
85 ° C
125 ° C
Notes : All specifications are typical at 25 ° C unless otherwise stated.
1. VRBC-10A2Ax series of modules include a sequencing feature that enables users to implement
various types of output voltage sequencing in their applications. This is accomplished via an additional
sequencing pin. When the sequencing feature is not used, tie the SEQ pin to Vin or leave it unconnected.
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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