Product Overview
Power Integrations TOP202YAI Three-Terminal Off-Line PWM Switch – Unused, New Old Stock
The Power Integrations TOP202YAI is part of the TOPSwitch family, a line of integrated off-line PWM controllers that combine multiple functions into a compact three-terminal package. With just three pins, it integrates a high-voltage N-channel power MOSFET, PWM controller, oscillator, and protective features for efficient switched-mode power conversion.
TOPSwitch devices have been widely used in power supply design for their ability to simplify circuits while maintaining reliability. This unused, new old stock unit is ready for its next application in design, repair, or prototyping.
Product Condition
Unused, new old stock. Kept in original packaging and in excellent preserved condition.
Product Overview
Power Integrations is known for its innovation in high-voltage integrated circuits. The TOP202YAI integrates power and control into one device, offering designers a simplified solution for switched-mode power supplies. Its built-in oscillator, reference, bias, and protection circuits reduce external component requirements, making it efficient and reliable for compact designs.
Key Features
- Brand: Power Integrations
- Model: TOP202YAI
- Package: Three-terminal configuration
- Function: Off-line PWM switch with integrated MOSFET
- Integrated 100 kHz oscillator
- Voltage-mode PWM control
- High-voltage N-channel MOSFET with gate driver
- Bandgap reference and bias regulator
- Built-in start-up bias circuit
- Loop compensation and fault protection
Applications
- Switched-mode power supplies (SMPS)
- Compact off-line power supply designs
- Consumer electronics power converters
- Industrial control equipment
- Replacement part for legacy power supplies
- Prototyping and circuit development
- Educational and training labs
Frequently Asked Questions
What functions does the TOP202YAI integrate?
It combines a high-voltage MOSFET, PWM controller, oscillator, start-up bias, reference, regulator, and fault protection in a single package.
What is the oscillator frequency?
The device features a built-in 100 kHz oscillator for stable PWM operation.
What is meant by three-terminal packaging?
With only three pins, the device simplifies external circuit design while still providing complete PWM control and power handling functions.
What condition is this device in?
It is unused, preserved as new old stock, and kept in original packaging.
Where can this part be used today?
It is suitable for SMPS repair, replacement, or prototyping where legacy TOPSwitch devices are required.
This listing is for one Power Integrations TOP202YAI three-terminal off-line PWM switch, unused and new old stock, as described above.
