Product Overview: VIPER27LD from STMicroelectronics

The VIPER27LD is a high-performance, low-power offline switched-mode power supply (SMPS) primary switcher IC from STMicroelectronics, a leader in semiconductor solutions. This versatile integrated circuit is designed to deliver a compact and robust power solution for a wide range of applications, including adapters, chargers, and standby and auxiliary supplies.

Key Features

• Integrated Power MOSFET: The VIPER27LD comes with a built-in 800V avalanche-rugged power MOSFET, enabling the device to handle high voltage spikes and providing enhanced system reliability.
• Wide Supply Voltage Range: It operates over a broad input voltage range, making it suitable for a variety of AC mains worldwide.
• Advanced Protection Features: The device includes multiple protection features such as Overload Protection (OLP), Overvoltage Protection (OVP), Hiccup Mode, and Thermal Shutdown, ensuring safe operation under abnormal conditions.
• Low Standby Power Consumption: With its energy-efficient design, the VIPER27LD achieves very low power consumption in standby mode, which is crucial for meeting energy-saving regulations.
• Frequency Jittering: The inclusion of frequency jittering helps in reducing electromagnetic interference (EMI), facilitating compliance with EMI regulations.
• Soft Start: The soft-start feature limits the inrush current, providing a smooth transition to the operational state and enhancing the longevity of the product.
• Extended Temperature Range: The device is designed to operate over an extended junction temperature range, ensuring performance in varying environmental conditions.

Applications

The VIPER27LD is ideal for a range of applications, including:

• Switched-mode power supplies (SMPS)
• LED lighting drivers
• Adapters and battery chargers
• Standby and auxiliary power supplies
• Home appliances and smart metering

With its robust design and advanced features, the VIPER27LD from STMicroelectronics is an excellent choice for designers looking to create efficient and reliable power supply solutions. Its ease of use and integration, coupled with a comprehensive set of protections, make it a highly adaptable solution for a multitude of power management applications.