Power Integrations

TOP221P

TOP221P Description

The TOP221P is a versatile AC/DC converter and offline switch IC manufactured by Power Integrations, designed to provide high performance and reliability in a variety of applications. With a power rating of 9W and a switching frequency of 100kHz, this device offers efficient power conversion and regulation. The TOP221P features a robust design with built-in fault protection, including current limiting and over-temperature protection, ensuring safe and reliable operation in various conditions.

TOP221P Features

• ECCN: EAR99
• Topology: Boost, Buck, Flyback, Forward
• Mounting Type: Through Hole
• Voltage - Breakdown: 700V
• Product Status: Obsolete
• Internal Switch(s): Yes
• Power (Watts): 9W
• Fault Protection: Current Limiting, Over Temperature
• Frequency - Switching: 100kHz
• REACH Status: REACH Unaffected
• Manufacturer: Power Integrations
• Duty Cycle: 67%
• HTSUS: 8542.39.0001
• Package: Tube
• Output Isolation: Isolated
• Base Product Number: TOP221
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

TOP221P Applications

The TOP221P is an ideal choice for a wide range of applications where efficient power conversion and regulation are required. Some specific use cases include:

1. Telecommunications Equipment: Powering devices such as routers, modems, and switches.
2. Industrial Control Systems: Providing reliable power to PLCs, sensors, and other control devices.
3. Medical Devices: Ensuring safe and stable power to medical equipment, such as diagnostic devices and monitoring systems.
4. Consumer Electronics: Powering devices like home appliances, gaming consoles, and portable electronics.

Conclusion of TOP221P

The TOP221P is a high-performance AC/DC converter and offline switch IC that offers a wide range of benefits, including efficient power conversion, robust fault protection, and a versatile topology. Although it is now considered obsolete, its unique features and advantages make it an ideal choice for applications where reliable power conversion and regulation are critical. With its high breakdown voltage, isolated output, and through-hole mounting, the TOP221P is well-suited for a variety of demanding applications in the telecommunications, industrial control, medical, and consumer electronics markets.