ST SOIC identification

[donkey77]

Hi All,

Hopefully someone will have an idea how to decode this chips markings. I am looking to repair a display panel that has an encoder input playing up. I suspect the voltage regulator but as the panel is still in operation I wanted to source components first as I won't get long for the repair before having to put it back into operation.

Many thanks

Rich

[wraper]

LM224, L78M05

[donkey77]

Thanks very much Wraper. I'd worked out the voltage regulator although could find the exact one via the lower row of characters. I guess it's superseded now but shouldn't be an issue. May i ask what pointed to the missing 'I'm or is there a look up table somewhere? Many thanks again.

[wraper]

May i ask what pointed to the missing 'I'm or is there a look up table somewhere? Many thanks again.

It's usual thing to omit first letters. Moreover I've seen such parts from ST before.

[donkey77]

Ah, ok. Learn something new every day. Thanks again