TOP221PN Off-Line PWM Switch IC – DIP-8 Package | High Efficiency SMPS Controller IC

TOP221PN Off-Line PWM Switch IC – DIP-8 Package | High Efficiency SMPS Controller IC.

The TOP221PN Off-Line PWM Switch IC is a highly reliable and cost-effective power management solution designed for Switch Mode Power Supply (SMPS) applications. Housed in a standard DIP-8 package, this IC integrates a high-voltage power MOSFET with a PWM controller, reducing external components and simplifying power supply design.

Ideal for battery chargers, adapters, LED drivers, industrial power supplies, and consumer electronics, the TOP221PN offers excellent efficiency, thermal protection, and stable output performance. Its built-in safety features ensure reliable operation even under overload or short-circuit conditions.

This IC is widely used by electronics engineers, repair technicians, and hobbyists for SMPS repair and new power supply projects.

Key Features:

• Integrated Off-Line PWM Controller with Power MOSFET
• DIP-8 Through-Hole Package
• High Efficiency & Low Power Consumption
• Built-in Overload, Over-Temperature & Short-Circuit Protection
• Reduced External Component Requirement
• Suitable for AC-DC Power Supply Designs
• Reliable Performance for Industrial & Consumer Applications

Applications:

• SMPS Power Supplies
• Mobile & Laptop Chargers
• LED Drivers
• Set-Top Boxes
• TV Power Boards
• Industrial Control Power Units
• DIY Electronics Projects