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[SOLVED] IC to step down 4.2v to 3.3v

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bikashh

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is there any IC to stepdown battery voltage ranging from 3.7-4.2v to 3.3v

Added after 1 hours 23 minutes:

i am using a zener diode.jus wanted to know is there any other way other than zener.
any way thanks
 

A low dropout regulator (LDO). Which one depends on the current you require. Have a look here:

**broken link removed**

Keith.
 

maybe a buck conventer is better than a ldo
 

cesczhang said:
maybe a buck conventer is better than a ldo
Click to expand...

Depends on how you define 'better'. Lower power dissipation but more expensive, more complicated and electrically noisier.

Keith
 

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