The VIPER15LD is a high-performance offline converter integrated circuit from STMicroelectronics, designed for switched-mode power supplies. It is part of the VIPerPlus family of products that combine a dedicated current mode PWM controller with a high-voltage power MOSFET on the same silicon chip. This innovative design allows for compact, efficient, and reliable power supplies suitable for a wide range of applications.

Key Features

• Integrated Power MOSFET: Comes with an 800 V avalanche-rugged power section, enabling the device to withstand challenging power surges and enhancing system reliability.
• Advanced PWM Controller: The built-in PWM controller features current mode operation, which provides fast transient response and simplified loop stabilization.
• High Energy Efficiency: With its quasi-resonant zero-voltage switching topology, the VIPER15LD minimizes switching losses and improves overall energy efficiency.
• Low Standby Power Consumption: The device is designed to achieve extremely low consumption under no-load conditions, making it ideal for energy-saving applications.
• Multiple Protection Features: Includes overvoltage protection, overload protection, thermal shutdown, and hysteresis to ensure safe operation under a variety of fault conditions.
• Frequency Jittering: Reduces EMI filter complexity by modulating the switching frequency to spread the energy over a wider bandwidth.

Applications

The VIPER15LD is versatile and can be used in a variety of applications, including:

• AC/DC converters for home appliances
• Standby power supplies for TVs and monitors
• Smart metering and energy management systems
• Auxiliary power supplies for industrial systems

Environmental and Quality Certifications

The VIPER15LD is designed to meet high environmental and quality standards, ensuring compliance with international regulations:

• RoHS compliant
• Lead-free package
• Complies with energy efficiency requirements

With its robust features and compliance with environmental standards, the VIPER15LD from STMicroelectronics represents a reliable and eco-friendly solution for power supply designers looking to optimize performance and efficiency.