VIPER27LN Power IC | STMicroelectronics | Energy-Efficient Offline Converter

The VIPER27LN from STMicroelectronics is a high-performance offline switching regulator IC that integrates a PWM controller with an 800V avalanche-rugged power MOSFET. This energy-efficient device is designed for compact and reliable AC-DC conversion, making it ideal for low-power SMPS designs.

Key Features

• Input Voltage Range: Wide AC mains compatibility

• Integrated 800V MOSFET for compact design

• High efficiency with low standby power consumption

• Built-in protections:

  • Over-temperature shutdown

  • Internal current limiting

  • Safe auto-restart after fault conditions

• Available Packages: DIP-8 and SO-8

• Meets Energy Efficiency Standards (EuP, Energy Star, etc.)

Applications

• AC-DC adapters & chargers

• LED lighting drivers

• Home appliances

• Industrial power supplies

• Auxiliary power in SMPS