LM36274: questions on auto-switching frequency operation

Given Ding

Expert 8125 points

Part Number: LM36274

Hi Team,

here is a question on auto-switching frequency operation.

During actual test, we find that

a. when the 8-bit MSB < = Low threshold, Fsw changes to 250kHz.

b. when low threshold < the 8-bit MSB <= high threshold, Fsw change to 500kHz

c. when the 8bit MSB > high threshold, Fsw changes to 1MHz.

so it's different with the description as below. Not sure if below is incorrect. Thanks.

BRs

Given

11 months ago

0 Patrick Yao 11 months ago

TI__Mastermind 23850 points

Hi Given,

Noted, I will set up the EVM bench test to check this spec. And may I know what is the EE of customer and whether this issue will cause any risk in their application? Thanks

Patrick

0 Given Ding 11 months ago in reply to Patrick Yao

TI__Expert 8125 points

Hi Patrick,

EE is tablet. no risk but since p2p competitor's performance match the description in their datasheet and our device doesn't match. customer want to know if there is typo on our datasheet. Thanks.

BRs

Given

+1 Patrick Yao 11 months ago in reply to Given Ding

TI__Mastermind 23850 points

Hi Given,

Noted, I will check with EVM.

Patrick

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LM36274: questions on auto-switching frequency operation