help!! dc-dc step up converter ic needed

[switimira]

hii...i need to get a dc-dc boost converter chip that can step up min voltage of 3.3V to 18V..how to choose the best model? I have found one product that is max17075 but the manufacturer only have stock for TQFN model..i need a DIP model. thanks in advance..

 

[Tahmid]

Hi,
Check out MAX1771.
Datasheet:

datasheets.maxim-ic.com/en/ds/MAX1771.pdf

Circuit (Taken from datasheet Fig 8):
**broken link removed**

Hope this helps.
Tahmid.

 

[switimira]

Thanks for the reply... i've been searching on the internet for boost converter ics..i've found a lot of them..there are regulated and unregulated..can anyone tell the different between these.

 

[switimira]

haiii...i need a boost converter chip that can produces output range from 12 V to 18V..the output current range is below or equal to 1A..The chip must be DIP package so that it is easy to test on breadboard..