TOP221YN Power Integrations TOPSwitch-II Offline PWM Switch IC – 700V TO-220 Package

TOP221YN Power Integrations TOPSwitch-II Offline PWM Switch IC – 700V TO-220 Package

The TOP221YN Power Integrations IC is an integrated offline switching power supply controller designed for efficient AC-to-DC power conversion. Part of the TOPSwitch-II family, this IC combines a high-voltage power MOSFET, PWM controller, high-voltage startup circuit, feedback control, and protection functions in a single compact device.

With a 700V breakdown voltage and approximately 100kHz switching frequency, the TOP221YN is designed for reliable switching power supply applications. Its TO-220-3 through-hole package allows convenient PCB mounting and heat management.

It is widely used in SMPS circuits, AC-DC converters, television power supplies, monitor power supplies, audio amplifiers, and other offline power supply applications.

Key Features

• Manufacturer: Power Integrations
• Model: TOP221YN
• TOPSwitch-II integrated power supply IC
• Three-terminal offline PWM switch
• Integrated high-voltage power MOSFET
• Breakdown voltage: 700V
• Typical switching frequency: 100kHz
• Integrated PWM controller and startup circuit
• Built-in current limiting and thermal protection
• Compact TO-220-3 package
• Suitable for AC-to-DC power conversion

Applications

• Switching Mode Power Supplies (SMPS)
• AC-DC power converters
• Television power supply circuits
• Computer monitor power supplies
• Audio amplifier power supplies
• Consumer electronic power supplies
• Offline flyback converter circuits
• Electronic equipment repair and replacement

*product image for illustration purposes only, actual product may vary.