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enter image description here

What is this IC on the PCB? Top marking H09.

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    \$\begingroup\$ What's around it, where does it connect to? \$\endgroup\$
    – Justme
    Dec 4, 2023 at 6:08
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    \$\begingroup\$ Please add a description of what the circuit does, and show a photo of the surrounding circuitry as per the Component Identification Guidelines. \$\endgroup\$ Dec 4, 2023 at 13:07

3 Answers 3

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Could be an AD8014 high performance current-feedback amplifier.

enter image description here

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    \$\begingroup\$ LCSC has a picture that shows the same marking style. +1. \$\endgroup\$
    – nanash1
    Dec 4, 2023 at 12:17
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Possibly Ricoh RP111N091B.

SOT-23-5 Linear voltage regulator IC LDO, 0.9V±0.8%, 500mA, +CE

enter image description here

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Can also be some LDO from Torex Semiconductor enter image description here https://smd.yooneed.one/code4830.html

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