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.
