STMicroelectronics VIPER100A: High-Voltage Converter

The VIPER100A from STMicroelectronics is a robust, high-performance integrated circuit designed for switched-mode power supplies (SMPS) and power conversion applications. This versatile component is part of the VIPerPlus family and incorporates an advanced vertical power MOSFET and a fixed-frequency current mode PWM controller within a single package.

Key Features

• Integrated Power MOSFET: The VIPER100A features an 800V avalanche-rugged power MOSFET, enabling the device to handle high surge voltages and ensuring enhanced reliability and longevity in harsh electrical environments.
• Fixed-Frequency Operation: With a 60 kHz fixed-frequency internal oscillator, the VIPER100A ensures consistent performance and simplifies the design of the magnetic components in the power supply.
• Low Standby Power Consumption: Designed for energy-efficient operation, the device boasts very low power consumption under standby conditions, making it suitable for applications with stringent energy-saving requirements.
• Multiple Protections: The VIPER100A includes a variety of protection features such as overvoltage protection, overload protection, thermal shutdown, and hysteretic overcurrent protection, which safeguard the device and the system it powers from a range of fault conditions.

Applications

The VIPER100A is ideal for a wide array of applications, particularly where high voltage capabilities and power efficiency are essential. Common applications include:

• Off-line power supplies for battery charger adapters
• LED lighting drivers
• Auxiliary power supplies for home appliances
• Industrial power supplies

Design and Integration

Engineers value the VIPER100A for its ease of integration and minimal external component count, which not only reduces the overall bill of materials but also simplifies the design and development process. The device is available in a Pentawatt package, which is suitable for through-hole PCB mounting, providing flexibility in design for various applications.

In conclusion, the VIPER100A by STMicroelectronics is a highly reliable, energy-efficient solution for designers looking to create compact and robust power supplies with excellent performance and protection features.