STMicroelectronics VIPER115LSTR: High-Performance Offline Converter

Discover the VIPER115LSTR, a remarkable offline converter from STMicroelectronics that integrates a dedicated fixed frequency oscillator and a high-voltage power MOSFET. This advanced component is designed to deliver a compact and efficient solution for power supply applications, making it an ideal choice for designers looking to enhance their systems with reliable and high-performance power conversion.

Key Features

• Integrated Power MOSFET: The VIPER115LSTR comes with a built-in 700V avalanche-rugged power MOSFET, ensuring robust operation even under stressful conditions.
• Fixed 60 kHz Switching Frequency: With a fixed switching frequency of 60 kHz, this device allows for a predictable performance and the use of smaller external components, reducing the overall size and cost of the power supply design.
• Low Standby Power Consumption: It is designed for high efficiency, with a standby power consumption of less than 50 mW at 265 VAC, making it suitable for applications that require compliance with energy-saving standards.
• Pulse Frequency Modulation (PFM) Operation: Under light load conditions, the VIPER115LSTR operates in PFM mode, which further reduces power consumption, enhancing efficiency across a wide load range.
• Overcurrent and Overvoltage Protection: The device includes advanced protection features such as overcurrent protection with auto-restart and overvoltage protection with latch off, ensuring the safety and reliability of your power supply design.
• Thermal Shutdown: With an integrated thermal shutdown, the VIPER115LSTR automatically turns off when the temperature exceeds a safe threshold, protecting the device from overheating.

Applications

The VIPER115LSTR is a versatile component that can be used in a variety of applications, including:

• Switched-mode power supplies (SMPS)
• Adapter and charger applications
• Auxiliary power supplies for home appliances and consumer electronics
• Standby and auxiliary power supplies for industrial systems

With its compact size, high integration, and energy-saving features, the VIPER115LSTR from STMicroelectronics is an excellent choice for designers who require a reliable and efficient offline converter for their power supply solutions. Its robust design and comprehensive protection features ensure long-term reliability, making it a valuable component in any power management system.