The TNY289PG from Power Integrations is a high-performance TinySwitch-4 offline flyback switcher IC designed for compact, energy-efficient power supply applications. It integrates a high-voltage power MOSFET, oscillator, control circuitry, and multiple protection features into a single device, reducing external component count and simplifying power supply design.
The device features an integrated 700V power MOSFET and supports flyback converter designs for offline AC/DC power applications. The TinySwitch-4 architecture provides excellent energy efficiency with low standby power consumption, meeting modern energy-saving requirements.
TNY289PG incorporates advanced protection functions including auto-restart protection, overload protection, open-loop protection, output short-circuit protection, thermal shutdown, and line overvoltage protection, improving system reliability under abnormal operating conditions.
The device provides frequency jittering technology to reduce EMI emissions and helps simplify electromagnetic compatibility design. It is supplied in a compact DIP-8C through-hole package, making it suitable for cost-sensitive power supply designs.
Typical applications include AC/DC adapters, battery chargers, standby power supplies, LED drivers, industrial auxiliary power supplies, smart appliances, and consumer electronics.
Key Features
- TinySwitch-4 offline flyback switcher IC
- Integrated 700V power MOSFET
- High efficiency power conversion
- Low standby power consumption
- Frequency jittering for EMI reduction
- Integrated protection functions:
- Auto-restart protection
- Overload protection
- Short-circuit protection
- Thermal shutdown
- Line overvoltage protection
- Open-loop fault protection
- Reduced external components
- Package: DIP-8C
- Through-hole package
- Suitable for offline AC/DC power supplies
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