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LM5088 -24V supply

Other Parts Discussed in Thread: LM5088, TPS54360

Hello,

I saw on another post that there is an issue with Webench generating negative supply rails using the LM5088.  If so, what is the issue?

I used webench to create a 24Vin, -24Vout, 1.5A supply.  We fabricated a proto and our schematic looks exactly as webench specified, yet the the output rail is about -0.5V.  I removed the resistors and cap connected to the EN pin.  Still no luck.  Varied the load.  No difference.

Why does webench only choose the LM5088 when it seems that there are other parts, such as TPS54360 that might work.  Need to fix to ship.


thank you

Rich