LMR14020-Q1: boot uvlo

Dongbao Zhou

Expert 4170 points

Part Number: LMR14020-Q1

Hi team,

What't the value of boot UVLO of LMR14020-Q1?

What's are the recommended range for Rboot? Thanks.

Dongbao

over 5 years ago

0 Andy Chen over 5 years ago

TI__Mastermind 34395 points

Hi Dongbao,

The BOOT UVLO is 3.2V,

Rboot is normally 0--20ohm range, however you need check the SW and BOOT waveform at condition of maximum duty cycle(for Vin-min to Vout-max) at required switching freq, the switching waveform should be stable and BOOT to PH voltage higher than 2.5V. also check IC case top temp to meet design target.

B R

Andy

0 Dongbao Zhou over 5 years ago in reply to Andy Chen

TI__Expert 4170 points

Thanks for your quick reply, andy

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LMR14020-Q1: boot uvlo