TOP226YN Power Converters 5.7V 1.4mA IC TO-220/3

TOP226YN Power Converters 5.7V 1.4mA IC TO-220/3

The TOP226YN belongs to the TOP Switch-II family of power conversion ICs, integrating a high-voltage power MOSFET with a PWM controller and multiple protection features into a single device. This integration significantly simplifies the design of switch-mode power supplies (SMPS), reducing the number of external components required. It is widely used in offline AC-DC converters, making it ideal for applications where compact size, efficiency, and reliability are essential.

This IC is designed to operate directly from rectified AC mains, supporting various topologies such as flyback, forward, buck, and boost converters. It includes built-in features like auto-restart, thermal shutdown, and current limiting, ensuring safe and stable operation under fault conditions. The TO-220 package allows efficient heat dissipation, making it suitable for medium to high power applications such as TVs, adapters, and industrial power supplies.

Features:

• Integrated power MOSFET and PWM controller.
• High efficiency power conversion.
• Built-in auto-restart protection.
• Thermal shutdown protection.
• Cycle-by-cycle current limiting.
• Minimal external components required.
• Supports multiple SMPS topologies.
• Stable operation under varying loads.
• Low EMI design characteristics.

Specifications:

Pinout:

Applications:

• AC-DC power supplies.
• Battery chargers.
• TV and monitor power circuits.
• Adapters and SMPS.
• Industrial power supplies.
• Standby power systems.

Packages Included:

• 1x TOP226YN Power Converters 5.7V 1.4mA IC TO-220.

Documents:

• TOP226YN.