STMicroelectronics VIPER38LD

VIPER38LD High-Voltage Offline Converter IC

The VIPER38LD from STMicroelectronics is a high-performance offline converter IC designed for flyback topology AC-DC power supplies. Featuring an integrated 800V avalanche-rugged power MOSFET, this device delivers up to 20W of output power with exceptional efficiency and reliability.

Key Features

• 800V High-Voltage Breakdown: Robust design for universal AC input applications
• Integrated Power Switch: Simplifies design and reduces component count
• 20W Output Power: Suitable for a wide range of low-to-medium power applications
• 60kHz Switching Frequency: Optimized for compact transformer design
• Comprehensive Protection: Current limiting, over-temperature, over-voltage, and short-circuit protection
• Wide Operating Range: -40°C to 150°C junction temperature
• Compact 16-SO Package: Space-saving surface mount design

Applications

Ideal for consumer electronics, industrial controls, smart home devices, LED lighting drivers, auxiliary power supplies, and battery chargers requiring reliable, cost-effective AC-DC conversion.

RoHS Compliant: This product meets environmental standards for restricted substances.

For detailed technical documentation, reference designs, and application notes, please refer to the manufacturer's datasheet.

• VIPER38LD.pdf