STMicroelectronics

VIPER38HE

VIPER38HE Description

The VIPER38HE is an advanced offline switcher IC designed for high-efficiency power conversion applications. Manufactured by STMicroelectronics, this device is part of the VIPer™ plus series and is optimized for flyback topology. It features an 800V breakdown voltage and a wide supply voltage range of 8.5V to 23.5V, making it suitable for a variety of power supply designs. The VIPER38HE is housed in a through-hole package, specifically a 10DIP, and is available in a tube package format. This IC is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental standards. With a moisture sensitivity level (MSL) of 1, it is suitable for unlimited storage conditions. The device operates at a switching frequency of 115kHz and offers a maximum duty cycle of 80%. It is designed to deliver up to 20W of power with comprehensive fault protection mechanisms, including current limiting, over-temperature, over-voltage, and short-circuit protection.

VIPER38HE Features

• High Breakdown Voltage: The VIPER38HE boasts an 800V breakdown voltage, ensuring robustness against high-voltage spikes and transient conditions.
• Wide Input Voltage Range: With a supply voltage range of 8.5V to 23.5V, this IC is versatile and can operate efficiently across a broad spectrum of input voltages.
• Efficient Flyback Topology: Utilizing a flyback topology, the VIPER38HE achieves high efficiency and compact design, ideal for space-constrained applications.
• Comprehensive Fault Protection: The device includes current limiting, over-temperature, over-voltage, and short-circuit protection, enhancing reliability and safety.
• High Power Output: Capable of delivering up to 20W of power, the VIPER38HE is suitable for applications requiring moderate to high power output.
• Internal Switches: Equipped with internal switches, the VIPER38HE simplifies circuit design and reduces the number of external components required.
• Isolated Output: The output isolation feature ensures safe and reliable operation, particularly in applications where galvanic isolation is critical.
• Compliance and Standards: The VIPER38HE is REACH unaffected and RoHS3 compliant, adhering to stringent environmental regulations and ensuring long-term availability.

VIPER38HE Applications

The VIPER38HE is ideal for a range of applications where high efficiency, reliability, and compact design are paramount. Key applications include:

• Power Supplies: Suitable for designing compact and efficient power supplies for consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ideal for creating high-efficiency adapters and chargers for portable devices, ensuring fast and reliable charging.
• LED Lighting: The VIPER38HE can be used in LED lighting applications to provide stable and efficient power conversion, enhancing the lifespan and performance of LED systems.
• Telecommunications: In telecom applications, the VIPER38HE can power various components, ensuring stable operation and high efficiency.
• Industrial Equipment: The robustness and wide input voltage range make the VIPER38HE suitable for industrial applications where power supply reliability is critical.

Conclusion of VIPER38HE

The VIPER38HE from STMicroelectronics is a versatile and high-performance offline switcher IC designed for demanding power conversion applications. Its wide input voltage range, high breakdown voltage, and comprehensive fault protection mechanisms make it a reliable choice for engineers looking to design efficient and robust power supplies. The VIPER38HE's compliance with environmental standards and its ability to deliver up to 20W of power further enhance its appeal. Whether used in consumer electronics, industrial equipment, or LED lighting, the VIPER38HE offers significant advantages over similar models, ensuring high efficiency, reliability, and ease of integration.