This part is a kind of semiconductor called AN8037.

Function of this product has AC-DC switching power supply control IC with standby mode.

Manufacturers : Panasonic Semiconductor

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Voltage Regulators AN8027, AN8037 AC-DC switching power supply control IC with standby mode s Overview The AN8027 and AN8037 are ICs developed for selfexcited switching regulator of RCC local resonance control type. These ICs are designed to achieve stability and high efficiency over a wide input voltage range and loads range (light loads to heavy loads), for supporting input levels used worldwide and improved conformance with energy conservation laws. 2.4±0.25 6.0±0.3 3.3±0.25 Unit: mm 8 0.5±0.1 7 23.3±0.3 6 5 4 1.5±0.25 1.5±0.25 1.4±0.3 s Features • Support improved conformance with energy conservation laws by providing two operating modes. 0.3 +0.1 –0.05 • Standby mode (light loads): 3.0±0.3 Achieves better efficiency due to reduced frequency . • Normal mode: SI [ ... ]

AN8037 PDF Datasheet Download