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Original question:

TPS61099: Quiescent current

TPS61099: How to measure quiescent current into VOUT pin

Will Wang47
Expert 5550 points
Part Number: TPS61099

Hi Team,

Customer want to measure TPS61099 quiescent current into VOUT pin. We set up the test bench using TPS61099-768 EVM. Remove feedback resistor, R1, R2, connect a 2V voltage to FB pin through 5kohm resistor. Connect a 5V voltage to the VOUT pin and EN pin, leave the VIN open. And then check the power supply current to VOUT pin, it shows for about 0.9uA, much smaller than the datasheet. Could you give some comments if this is the right method to measure the quiescent to VOUT pin?

Thanks,

Will