STMicroelectronics

VIPER115LSTR

VIPER115LSTR Description

The VIPER115LSTR from STMicroelectronics is a high-performance offline switching IC designed for AC/DC converter applications. Part of the VIPER™ series, this 10SSOP surface-mount device integrates an 800V breakdown voltage MOSFET and operates at a 60kHz switching frequency, delivering 12W of power with high efficiency. Its 4.5V to 30V supply voltage range and 16V startup voltage ensure robust performance in diverse power supply designs. Compliant with ROHS3 and REACH standards, it features soft-start control, overload protection, and overvoltage fault protection, making it a reliable choice for industrial and consumer electronics.

VIPER115LSTR Features

• Integrated 800V MOSFET: Reduces external component count and simplifies design.
• Wide Input Range (4.5V–30V): Supports flexible power supply configurations.
• 60kHz Switching Frequency: Balances efficiency and EMI performance.
• Protection Features: Includes overload, overvoltage, and soft-start for enhanced reliability.
• Compact 10SSOP Package: Ideal for space-constrained applications.
• 80% Duty Cycle: Optimizes power delivery in demanding conditions.
• RoHS3 & REACH Compliant: Meets stringent environmental standards.

VIPER115LSTR Applications

This IC is ideal for:

• Low-power AC/DC adapters for consumer electronics (e.g., set-top boxes, routers).
• Auxiliary power supplies in industrial systems.
• LED drivers requiring high-voltage isolation.
• Home appliances with strict energy efficiency requirements.
  Its surface-mount design and tape & reel packaging streamline high-volume manufacturing.

Conclusion of VIPER115LSTR

The VIPER115LSTR stands out for its high integration, robust protection, and wide operational range, making it a superior choice for offline power conversion. Its compact form factor and compliance with environmental regulations further enhance its appeal for modern electronics. Engineers will appreciate its ease of implementation and reliability in demanding applications.