LMR38015: Schematic review

Han Wang

Part Number: LMR38015

Tool/software:

Hi Team

Could you help review customer's SCH for inverting buck boost? Vin=48V Vout=-10V/0.1A. Fsw=900k.

Thanks,,

Han

0 Richard Fu22 4 months ago

Hi Han,

Let me take a look at this and I"ll get back to you in a few days.

Thanks,

Richard

0 Han Wang 4 months ago in reply to Richard Fu22

Hi Richard,

Any updates for this review?

Thanks,

Han

0 Richard Fu22 4 months ago in reply to Han Wang

Hi Han,

A few comments:
1) I would implement a level shift for enable.

2) Power good level shift may also need to be implemented.

Otherwise, it looks ok to me.

I've attached an app note for the customer to use as a reference.

Thanks,

Richard

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