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Aomoproing TOP250YN (TOP250Y) is a high-performance power management integrated circuit designed for offline switching power supply applications. Housed in a standard TO-220 6-pin package, this chip integrates a PWM controller, high-voltage power MOSFET, current sensing, and multiple protection functions into a single device, greatly simplifying power supply design and improving reliability.
This power management core is ideal for repairing or designing AC-DC adapters, battery chargers, LED lighting drivers, set-top box power supplies, industrial control modules, and other small to medium power electronic systems. It offers high efficiency, low standby power consumption, and built-in overvoltage, overcurrent, and thermal shutdown protection.
Each package includes 1 brand-new TOP250YN chip, professionally tested and ready for soldering and replacement. It is widely used by electronic maintenance technicians, DIY enthusiasts, and engineers for circuit repair, prototype making, and equipment refurbishment.