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TPS5430 inverting application

Jericho Tsai
Intellectual 380 points
Other Parts Discussed in Thread: TPS5430, TPS54160A, TPS54160

Hi Sir,

The TPS5430 can support below condition? if yes, do you have reference schematic? if not ,can you other suggest solution?  

Vin: 18V

Vout:-15V

Iout: 0.2A

Jericho

  • 0
    TI__Guru**** 191445 points
    The voltage differential of 33 V is close to the maximum range of TPS5430. If your maximum input is no higher than 18V, it should work. TPS54160A may be a better choice though. If you search the product pages technical documents, you can find quite a bit of reference information on the inverting buck boost topology you require. If you use TPS54160 family, there is a design calculator as well.