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TPS61089: recommendation Boost

Part Number: TPS61089
Other Parts Discussed in Thread: TPS61378-Q1

Hi,

could you give your recommendation that can meet below requirement:

Vin: 3V to 5V

Vout:8V/1A

Iq:<50uA

I search on the ti.com,can't find the good device can meet this requirement, the application is doorbell.

thanks in advance.