TOP250YN Power Integrations Off Line Switcher IC

TOP250YN Power Integrations Off Line Switcher IC 

The TOP250YN is a highly integrated AC-DC off-line switcher IC from Power Integrations’ TOPSwitch family, designed to provide efficient, compact, and reliable switch-mode power supplies (SMPS). It integrates a high-voltage power MOSFET, PWM controller, oscillator, soft-start, and comprehensive protection circuitry into a single device, reducing external components and simplifying power supply design.

The TOP250YN is ideal for medium to high power AC-DC converters, delivering high efficiency, low standby power consumption, and excellent reliability. It is widely used in power adapters, chargers, consumer electronics, industrial power modules, and auxiliary power supplies.

Click here to view related products

Applications

• AC-DC adapters and chargers
• Switch-mode power supplies (SMPS)
• Industrial control and automation power supplies
• Consumer electronics and home appliances
• LED power supplies
• TV, monitor, and set-top box power supplies
• Auxiliary and standby power supplies

Features

• Type: AC-DC off-line switcher IC with integrated MOSFET
• Manufacturer: Power Integrations
• Family: TOPSwitch
• Integrated high-voltage power MOSFET
• Wide AC input range: 85–265V AC (with proper design)
• High efficiency and low no-load / standby power consumption
• Built-in soft-start, current limiting, thermal shutdown, and over-voltage protection
• Auto-restart fault protection
• Frequency jittering for reduced EMI
• Requires minimal external components
• Package: TO-220 / eSIP-7 (YN package)
• High reliability and long service life

TOP250YN-IC Datasheet