small 3.3V power supply required

[kak111]

2.2MHz Step-Down Converter with Low Operating Current
new Maxim IC

Step-down converter with an integrated high-side switch.
The device is designed to operate with input voltages from 3.5V to 36V while using only 30µA quiescent current at no load.
The switching frequency is adjustable from 1MHz to 2.2MHz by an external resistor and can be synchronized to an external clock.
The output voltage is pin selectable to be 5V fixed or adjustable from 1V to 10V.
The wide input voltage range along with its ability to operate at high duty cycle during undervoltage transients make the device
ideal for automotive and industrial applications.

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..3 Amp

 

[Mithun_K_Das]

Its a great one. Thanks for this new things.

 

[nikhilele]

H1117 you will get easily
its smd but easily you can solder
if you want i can upload pictures how i did it

 

[Mithun_K_Das]

Why not. It will be helpful for everyone. Share that.