STMicroelectronics VIPER22ASTR-E - High-Performance Converter

The VIPER22ASTR-E from STMicroelectronics is a high-efficiency, low-power switched-mode power supply (SMPS) primary switching regulator that is designed to deliver exceptional performance for a wide range of applications. This versatile converter integrates a PWM controller and a 730V power MOSFET, making it an ideal choice for off-line power supplies.

Key Features

• High Voltage Capability: With a 730V avalanche-rugged power section, the VIPER22ASTR-E can sustain high voltage spikes, ensuring reliable operation under harsh conditions.
• Power Efficiency: The device is optimized for low standby power consumption, which makes it suitable for energy-saving applications and complies with 'green' energy standards.
• Pulse Frequency Modulation (PFM): To minimize standby power consumption, the VIPER22ASTR-E operates in PFM under light load conditions.
• Overcurrent and Overvoltage Protection: Built-in protection features safeguard the device and the system from a variety of fault conditions, enhancing overall system reliability.
• Thermal Shutdown: An automatic thermal shutdown feature protects the device from overheating, further ensuring the longevity of the product.

Applications

The VIPER22ASTR-E is suitable for a diverse set of applications, particularly where power efficiency and space-saving are crucial. Common applications include:

• Adapters and chargers for consumer electronics
• Standby and auxiliary power supplies
• LED lighting drivers
• Industrial power supplies

Product Advantages

With its integrated design, the VIPER22ASTR-E reduces the number of external components required, which simplifies the design process and helps to minimize the overall bill of materials. Its robustness and compliance with energy-saving regulations make it a go-to solution for designers looking to create compact, reliable, and cost-effective power supplies.

Environmental and Quality Certifications

The VIPER22ASTR-E is designed with a commitment to environmental sustainability and quality. It is compliant with the RoHS directive, ensuring that it is free from hazardous substances. The device is also supported by STMicroelectronics' quality assurance, reflecting a dedication to high manufacturing standards and product reliability.