STMicroelectronics VIPER16LN - High-Voltage Converter

The VIPER16LN from STMicroelectronics is a low-power, high-voltage, integrated switcher that combines an 800 V avalanche-rugged MOSFET with a leading-edge PWM controller. This compact and robust device is designed to deliver a cost-effective solution for offline power supplies within a power range of a few watts, typically up to 12 W. It is particularly well-suited for applications such as home appliances, auxiliary power supplies, and power adapters.

Key Features

• High-Voltage Capability: With an 800 V rugged power section, the VIPER16LN is capable of withstanding high energy spikes and brownouts, ensuring reliable operation under harsh conditions.
• Energy Efficiency: The device offers a very low quiescent current and a pulse frequency modulation under light load conditions, which significantly reduces the power consumption when the load demand is low.
• Integrated Protections: The VIPER16LN comes with multiple protection features including thermal shutdown, overload protection, and hysteretic overcurrent protection, enhancing the safety and longevity of your power supply design.
• Frequency Jittering: It includes frequency jittering to help in meeting the electromagnetic interference (EMI) regulatory standards.
• Extended Temperature Range: The device is designed to operate over an extended junction temperature range from -40°C to 150°C, making it suitable for industrial-grade applications.
• Minimal External Components: The VIPER16LN requires very few external components, facilitating a simplified and compact design for switch-mode power supplies.

Applications

The VIPER16LN is ideal for a wide range of applications, including:

• SMPS for home appliances
• Standby and auxiliary power supplies
• LED lighting drivers
• Battery chargers
• AC-DC adapters

With its robust design and versatile features, the VIPER16LN by STMicroelectronics is a reliable choice for designers looking to create efficient and cost-effective power solutions. Its integrated features and protections make it a highly integrated solution that can reduce the complexity and size of the power supply, while maintaining high performance and reliability.