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VIPER27HD

VIPER27HD Description

The VIPER27HD from STMicroelectronics is a high-performance offline switching IC designed for flyback topology applications, delivering up to 20W of power. Part of the VIPer™ plus series, it integrates an 800V breakdown voltage MOSFET and operates at a 115kHz switching frequency, ensuring efficient power conversion. With a wide supply voltage range (8.5V–23.5V) and a 14V startup voltage, it offers robust performance in isolated power supplies. The device is housed in a 16SO surface-mount package, making it suitable for compact designs. Compliant with ROHS3 and REACH standards, it meets stringent environmental and safety requirements.

VIPER27HD Features

• Integrated 800V MOSFET: Reduces external component count and enhances reliability.
• 115kHz Switching Frequency: Optimizes efficiency and minimizes EMI.
• Comprehensive Protection: Includes current limiting, over-temperature, and over-voltage safeguards.
• High Duty Cycle (80%): Supports wide input voltage variations.
• Isolated Output: Ideal for safety-critical applications.
• Active Mode Efficiency: Minimizes standby power consumption.
• Moisture Sensitivity Level (MSL 3): Ensures durability in humid environments.

VIPER27HD Applications

The VIPER27HD excels in low-to-medium power AC/DC conversion scenarios, such as:

• Consumer Electronics: Power adapters for TVs, set-top boxes, and IoT devices.
• Industrial Systems: Auxiliary power supplies for PLCs and motor drives.
• Lighting: LED drivers and smart lighting controls.
• Home Appliances: Compact power modules for white goods.
  Its isolated design and fault protection make it particularly suited for safety-certified applications requiring reliable offline power conversion.

Conclusion of VIPER27HD

The VIPER27HD stands out for its high integration, robust protection features, and efficiency, making it a top choice for space-constrained, high-reliability power supplies. Its compliance with ROHS3 and REACH, combined with STMicroelectronics' proven quality, ensures long-term viability in demanding applications. Whether for consumer, industrial, or lighting systems, the VIPER27HD delivers performance, safety, and compactness in one advanced package.