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User’s Guide
TPS51220 Buck Controller Evaluation Module User's
Guide
Table of Contents
1 Description .............................................................................................................................................................................. 2
2 Electrical Performance ........................................................................................................................................................... 2
3 Schematic ................................................................................................................................................................................ 3
4 Test Setup and Procedure ...................................................................................................................................................... 4
4.1 Test Setup.......................................................................................................................................................................... 4
4.2 Test Procedure................................................................................................................................................................... 4
5 Configuration .......................................................................................................................................................................... 5
5.1 Switching Frequency Selection.......................................................................................................................................... 5
5.2 Skip Mode and Control Scheme Selection......................................................................................................................... 5
5.3 Current-Sensing Selection................................................................................................................................................. 5
5.4 Overcurrent Limit and Discharge Selection........................................................................................................................ 6
5.5 Control Mode and Protection Selection.............................................................................................................................. 6
5.6 Soft-Start Setting Selection................................................................................................................................................ 6
5.7 Output Voltage Adjustment................................................................................................................................................ 6
6 Bill of Materials ....................................................................................................................................................................... 7
7 EVM Assembly Drawing and PCB Layout ............................................................................................................................ 9
8 Reference ............................................................................................................................................................................... 11
9 Revision History .................................................................................................................................................................... 11
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SLVU251B – JUNE 2008 – REVISED FEBRUARY 2022
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TPS51220 Buck Controller Evaluation Module User's Guide 1
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