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LMR36510: Topology of generating ngative power

Part Number: LMR36510
Other Parts Discussed in Thread: TPS5430

Hi Team,

My customer used LMR36510 in old project and he would like to use LMR36510 to generate negative voltage(-15V), could team help comment below question?

1. There is a app. note that use TPS5430 to generate negative power, does LMR36510 apply same topology to generate inverting power?

https://www.ti.com/lit/an/slva257a/slva257a.pdf?ts=1621323195830&ref_url=https%253A%252F%252Fwww.google.com%252F

2. If it is workable, can input voltage range be from 12V to 28V?

3. If this approach is workable, may I know the reason?

Thanks very much.

Vincent Chen