The VIPER53SP from STMicroelectronics is a remarkable integrated circuit designed for high-voltage power conversion applications. This robust device combines a dedicated current mode PWM controller with a high voltage Power MOSFET on the same silicon chip. It's an ideal solution for a compact switched-mode power supply (SMPS) design, offering both space efficiency and reliability.

Key Features

• Integrated Power MOSFET: The VIPER53SP integrates a powerful 500V MOSFET, allowing it to handle high voltage operations with ease.
• Wide Supply Voltage Range: It operates over a broad supply voltage range, making it versatile for various applications.
• Current Mode Operation: The current mode PWM controller ensures stable and efficient operation, providing excellent output regulation.
• Multiple Protection Features: The device includes overvoltage, overload, and thermal shutdown protections, safeguarding your circuit against potential damage.
• Low Standby Power Consumption: With its built-in high-voltage startup circuit, the VIPER53SP achieves very low standby power consumption.

Applications

The VIPER53SP is suitable for a wide array of applications, particularly where power efficiency and size are critical. Typical applications include:

• Adapters and battery chargers
• Standby power supplies for TV and monitors
• Auxiliary power supplies for PCs and servers
• Power supplies for home appliances and smart meters

Technical Specifications

• Output Power: Capable of delivering up to 18W in wide range mains and 30W in single range.
• Frequency: The operating frequency is adjustable and can be optimized for the application.
• Package: The VIPER53SP is available in a Pentawatt HV package, designed for optimal heat dissipation and ease of mounting.

In summary, STMicroelectronics' VIPER53SP is a highly integrated and efficient solution for power supply designs that require a compact footprint without compromising performance. Its advanced features and protections ensure a reliable operation for a wide range of high-voltage applications.