3 micro amperes charge pump topology needed

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Ahmed Abd El Wahab

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Hello,
I need to design a three branches charge pump with total current of 10-uA. roughly each branch with 3.3-uA. I searched many low/Ultra low power CP architectrues, but didn't find any thing that low. I'm working on TSMC13RF technology. Do u know any design/Arch that may help ?!

Thnx in advance
 

Hi Ahmed
I have 10uA chargepump PLL schematic. It may help you some idea

 

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