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DCD48AP120T320A50 PDF预览

DCD48AP120T320A50

更新时间: 2024-10-02 22:41:27
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VICOR /
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EVAL BOARD FOR DCM48AP120T320A50

DCD48AP120T320A50 数据手册

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USER GUIDE | UG:017  
Analog Control 3623 and 4623 ChiP DCMs  
Evaluation Board  
Arthur Russell  
VI Chip® Applications Engineering  
October 2014  
Contents  
Page  
Introduction  
Introduction  
1
3
3
4
4
6
The Analog Control 3623 and 4623 ChiP DCM evaluation boards described in this document are  
designed to be used with the DCM family of isolated, DC-DC converters. The 3623 DCM board is used  
for the analog control, low input voltage 3623 ChiP products, while the 4623 DCM board is used for  
the analog control, high input voltage (offline) 4623 ChiP products.  
Contents  
Features  
Board Description  
General Components  
Test Points Description  
The DCM evaluation board can be configured for various enabling and fault monitoring schemes,  
as well as to exercise various modes of trimming, depending on the application requirements. The  
evaluation board can be used to evaluate DCMs in either a stand-alone configuration, or as an  
array of modules.  
Schematic, Assembly Drawing  
and Bill of Materials  
7
Enable options:  
Recommended Test  
1. On-board mechanical switch (default)  
Equipment  
Basic Connections  
Board Operation Details  
Trim Control  
14  
14  
14  
15  
15  
16  
16  
2. External control  
Trim options:  
1. Fixed trim operation (default): the TR pin is permitted to float at initial startup.  
Fault Monitoring  
Chassis Ground  
Paralleling  
The DCM disables output trimming and the output trim is programmed to the nominal rated VOUT  
.
2. Variable trim operation, on-board variable resistor: The trim pin voltage is ratiometric,  
with a rheostat working against a pull-up resistor inside the DCM to VCC.  
3. Variable trim operation, off-board control: The trim pin voltage is controlled via external  
programming control, which is referenced to the –IN of each specific DCM in the system.  
Fault monitor options:  
1. On-board LED: the FT pin drives a visible LED for visual feedback on fault status.  
2. On-board optocoupler: the FT pin drives an on-board optocoupler to bring  
fault status across the primary-secondary isolation boundary.  
UG:017  
vicorpower.com  
Applications Engineering: 800 927.9474  
Page 1  

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