Hi ,why using different 3v3 LDO in STM32Nucleo ,stm321412kb board LDO no is LD3985M33R is use for IC- STM32F103CBT6 and LDO LD39050PU33R is use for IC -STM32LQFP32 & Please confirm me ,I use only one LDO for 3v3.

Skuma.13 · ‎2021-05-19

TDK · ‎2021-05-19

LD3985M33R has a lower current output limit (150mA) compared to the LD39050PU33R (500mA). You can use any LDO you want that satisfies your power needs.

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