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TPS61194Q1EVM: OUT PIN C10~C13 2200pF circuit

Terry Hu
Intellectual 2120 points
Part Number: TPS61194Q1EVM
Other Parts Discussed in Thread: LP8867Q1EVM,

Hi Team,

In TPS61194Q1EVM or LP8867Q1EVM, I found 2200pF between out Pin and BOOST.

I assume this is used for out Pin short to BOOST protection. 

It can protect the IC from damage in soft short (i.e. high-ohmic resistance) condition, am I correct?

Could you kindly explain the mechanism of this circuit? (Clamp the out PIN voltage when switch off??)

Thanks and best regards,

Terry