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TPS62821: TPS62821 pre-biased during start-up

Part Number: TPS62821
Other Parts Discussed in Thread: TPS62740, , TLV62565

Hello Sirs,

We evaluate tps62740 for low power products but its output voltage will become Vin during

output pre-biased . Is this reasonable for this chip ?

We consider to another solution TPS62821. May I have your comment this chip support pre-bias start-up or not ?

Many thanks !