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Skuma.13
Skuma.13
Visitor II
May 19, 2021
Question

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.

  • May 19, 2021
  • 1 reply
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1 reply

TDK
TDK
May 19, 2021

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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