Introducing the VIPER28HD from STMicroelectronics

The VIPER28HD is a high-performance, low power offline switched-mode power supply (SMPS) controller from STMicroelectronics, a leader in semiconductor solutions. This robust and versatile controller integrates a PWM controller and an 800 V avalanche-rugged power MOSFET, making it an ideal choice for a wide range of power supply applications.

Key Features

• High-Voltage Capability: The VIPER28HD operates with an 800 V rugged power section, providing enhanced reliability and longevity even under demanding electrical conditions.
• Energy Efficient: With its built-in high-voltage startup and sense-FET, the VIPER28HD achieves excellent energy efficiency, reducing power consumption in both standby and active modes.
• Advanced Protection: The device includes multiple protection features such as overload protection, overvoltage protection, and thermal shutdown with hysteresis, ensuring safe operation and preventing damage to the power supply and the load.
• Flexible Design: Its extended power range allows for flexible design options, suitable for a variety of applications such as adapters, power supplies for consumer electronics, and auxiliary supplies for home appliances and industrial systems.
• Pulse Frequency Modulation (PFM) Operation: The VIPER28HD can operate under PFM at light load, which helps to maintain high efficiency across a wide range of loads.

Applications

The VIPER28HD is designed for use in a multitude of applications, including:

• Switched-mode power supplies (SMPS)
• LED lighting drivers
• Adapters for consumer electronics
• Auxiliary power supplies for home appliances
• Industrial power supplies

With its combination of high-voltage capability, energy efficiency, and comprehensive protection features, the VIPER28HD from STMicroelectronics stands out as a top choice for designers looking to create reliable and efficient power solutions. Its built-in features and versatility make it an excellent component for a wide range of power applications, driving innovation and performance in the electronics industry.