Electronics > Beginners

Help identify IC - SD1021

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jdev99:
I bought a cheap 12v USB car adaptor on eBay to use in a bench powersupply project, and found this IC inside.
I know it must be a 5v regulator but can not find the datasheet for it.
The numbers on it is:    1741     and    SD1021.
I traced the circuit and it looks like this.

Can anybody tell me more about this IC, what is it's max. current that it can deliver?

glarsson:
1741 = manufactured week 41 of 2017.
No need to search the internet for that number.

jdev99:
I found it.

http://www.si-soft.cn/2Ayixiaxiaodianliuchechong/97.html

5V , 0.8A max

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