This part is a kind of semiconductor called AN8026.

Function of this product has Self-excited RCC pseudo-resonance type AC-DC switching power supply control IC.

Manufacturers : Panasonic Semiconductor

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Voltage Regulators AN8026 Self-excited RCC pseudo-resonance type AC-DC switching power supply control IC s Overview The AN8026 is an IC developed for controlling the self-excited switching power supply employing the RCC pseudo-resonance type control method. It is compact, equipped only with the necessary minimum functions. The maximum on-period and the minimum off-period can be set separately by using the external capacitor and resistor respectively. It is suitable for the power supply of AV equipment. 2.4±0.25 6.0±0.3 3.3±0.25 Unit: mm 8 0.5±0.1 7 6 23.3±0.3 5 4 1.5±0.25 1.4±0.3 3 2 1 1.5±0.25 2.54 9 s Features 0.3 +0.1 –0.05 • Operating supply voltage range: 3.0±0.3 Stop voltage (8.6 V typical) to 34 V SIP009-P-0000C • Output block employs the totem pole system [ ... ]

AN8026 PDF Datasheet Download