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TPS62150: light load efficiency less than 100uA

Part Number: TPS62150
Other Parts Discussed in Thread: TPS62147, TPS62175

Hello,

We are planing to use TPS62150 in sleep mode system, When sleep mode, TPS62150 load current goes down around 20uA.

I look into the efficiency graph of datasheet but the minimum current is 100uA.

Vin is 5V, Vout is 3.3V. We would like to know the efficiency of around 20uA.

We look into TPS62147 but 2A requires bigger inductance. It is difficult to use.

It would be helpful if we can know the efficiency of TPS62150.

Best regards,

Toshihiro Watanabe