Maker Pro
Maker Pro

Circuit clarification

electronicsLearner77

Jul 2, 2015
306
Joined
Jul 2, 2015
Messages
306
Please help me to understand the purpose of the below circuit.
upload_2022-7-28_18-57-29.png

P3_3V is 3.3V supply derived from the buck converter, Is it just converting into another power source?
 
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