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TPS61201: Get instable if the Input Voltage get under 1.1V

Part Number: TPS61201

First of all, I'm sorry for my bad english, I'm not a native speaker... and now:

I have a problem with my design; I would like that the TPS61201 deliver 200mA at the output at 3.3V... the input should be around 1V, but if the input voltage gets under 1.1V the device get instable and the input current grows up to 800-1000mA...

The Datasheet says it is possible:


Maybe I have to change something on my design:


It would be great if somebody could help me out :)