B384F120T30-EB Vicor Corporation, B384F120T30-EB Datasheet - Page 3

• Manufacturer Part Number: B384F120T30-EB
• Description: Specifications: Board Type: Fully Populated ; Main Purpose: DC/DC, Step Down ; Regulator Topology: Buck ; Outputs and Type: 1, Isolated ; Voltage - Output: 12V ; Current - Output: 25A ; Voltage - Input: 360 ~ 400V ; Frequency - Switching: 3.4MHz ; Po
• Manufacturer: Vicor Corporation

User Guide UG:001
Paralleling connections of two
BCM Customer Evaluation
Figure 3
Boards
vicorpower.com
Paralleling
The paralleling and current sharing capability of the devices can be demonstrated by stacking
multiple Customer Evaluation Boards and interconnecting the inputs and outputs with standoffs
of sufficient current handling capability to create a 3-dimensional array. See Figure 3 below.
When paralleling BCMs the PC ports should be connected together to ensure the outputs turn
on simultaneously.
Input Current Measurement
A current probe can be passed around the +IN lead connected to the BCM. Input capacitors on
the Customer Evaluation Board are downstream of this measurement point.
TM - Do not connect, for factory use only .
VC - Do not connect, for factory use only.
Primary Control (PC)
The PC can be used to disable the BCM, monitor status, or provide a primary referenced bias
supply.
a.) Connecting PC to the –IN will disable the BCM.
b.) Connecting a DVM or oscilloscope between PC (positive) and –IN (negative) will indicate
c.) Connecting a load between PC (positive) and –IN (negative) will provide a primary
+ IN
– IN
the status of the BCM. Please note that the BCM does not have active current
sinking capability.
referenced bias supply.
800-735-6200
Rev. 1.0
12/ 2006
+ OUT
– OUT
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