please help id component

[jons]

Can't figure it myself - board is from Logitech G13 game controller which got reversed polarity supply, need to identify U2 which has marking "4810", CN1 is USB input, big chip is Y7C64215.

[stj]

Re: please help id component

"4b80"
LN1193B392MR
or
LN1234B09AMR

are possible matches.

[jons]

Re: please help id component

Thanks, that's indeed B not 8, my mistake, but next to it definetely is 10. Will there work any LDO to specified controller operating voltage, say 4.35-4.9V?

[stj]

Re: please help id component

"4b10" in a sot23-5 package.

LN1134B322MR
LN1193B322MR

[jons]

Re: please help id component

I can't fnd even datasheets on those, how did you figured them out?

[stj]

Re: please help id component

i have a code book.