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Can anyone help me identify the component circled in the picture below?

The marking says 9c304.

enter image description here

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2 Answers 2

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It's probably a STM L79L05 negative voltage regulator. The datasheet doesn't specify the markings, but if we look a different pictures, ...

enter image description here

(Source: lcsc.com)

enter image description here

(Source: aliexpress.com)

it looks like 9C is the product code and the following three numbers are a traceability code. Maybe a lot number or date code.

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Confirmed - negative 5V LDO. Measured on the same chinese switching PS display board.

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