Manufacturer Part Number
TOP221YN
Manufacturer
power-integrations
Introduction
The TOP221YN is a high-voltage, switched-mode power supply controller from Power Integrations. It integrates a high-voltage power MOSFET, oscillator, control and protection circuitry into a single monolithic TO-220 package. The TOP221YN is designed for use in a wide range of AC-DC power supplies, including simple off-line converters, SMPS, and flyback converters.
Product Features and Performance
High-voltage operation up to 700V breakdown voltage
Integrated power MOSFET for improved efficiency and reliability
Wide range of output power up to 12W
High-frequency operation up to 100kHz
Multiple topologies supported: Boost, Buck, Flyback, Forward
Fault protection features including current limiting and over-temperature
Product Advantages
Simplifies power supply design with integrated power MOSFET and control circuitry
High-voltage operation enables direct AC line operation without additional components
High-frequency operation allows for smaller transformer and capacitor sizes
Comprehensive fault protection improves reliability and safety
Key Reasons to Choose This Product
Highly integrated solution reduces component count and simplifies design
Proven performance and reliability from a trusted power management brand
Wide range of power and voltage capabilities to meet diverse application needs
Advanced protection features ensure safe and robust operation
Quality and Safety Features
Adheres to industry safety and regulatory standards
Robust thermal and overload protection mechanisms
Rigorous quality control and testing processes
Compatibility
The TOP221YN is a widely compatible power supply controller suitable for a variety of AC-DC power conversion applications, including:
Household appliances
Industrial equipment
Consumer electronics
Lighting systems
Application Areas
AC-DC power supplies
Switch-mode power supplies (SMPS)
Flyback and forward converter topologies
Offline power converters
Product Lifecycle
The TOP221YN is an active product and is not currently nearing discontinuation. Our website's sales team offers a range of alternative and equivalent TOPSwitch-II series controllers, including the TOP221, TOP222, and TOP223 models, to provide customers with more options to meet their specific power conversion requirements.
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