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How to step up voltage from 3.3V to 18V without using booster ?

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ricky_wcy

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Hi Folks,

External booster is required to step up voltage from 3.3V to 18V to drive OLED.
The max. loading current for OLED is around 20mA.

Is there any cheap alternative method to step up voltage from 3.3V to 18V instead of using booster ?

Thanks,
Ricky
 

Re: Booster

There are many boost IC switching power supplies. You could consider some alternative such as using a 20 V source at the beginning. This is low cost for a mains powered product. It gets more expensive if your device is battery powered. You will need several more cells to start with nearly 20 V.
 

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