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TPS61230: if there is a voltage at the output, whether the chip is affected and whether power is generated;

Part Number: TPS61230

Hi Engineer
When we use TPS61230, it may be different from general usage; the circuit schematic is as follows:
Some problems have arisen: When EN is turned off (when EN is turned off, 3.3V will be added to VOUT of TPS61230 through U7), if there is a voltage at the output, whether the chip is affected and whether power is generated;

Thank you

Best Regards

Elsa Duan