STMicroelectronics

VIPER37LD  

AC DC Converters, Offline Switches

VIPER37LD Description

The VIPER37LD is an advanced offline switcher IC designed for flyback topology applications, part of the VIPer™ plus series by STMicroelectronics. This device is engineered to deliver high performance and reliability in power management solutions. With a power rating of 20 W, the VIPER37LD is suitable for a wide range of applications requiring efficient and isolated power conversion.

VIPER37LD Features

• Active Product Status: The VIPER37LD is currently in active production, ensuring availability for new designs and projects.
• Internal Switches: Equipped with internal switches, this IC simplifies circuit design by integrating essential components.
• Switching Frequency: Operating at a switching frequency of 60 kHz, the VIPER37LD ensures efficient power conversion with minimal electromagnetic interference (EMI).
• Compliance: The device is REACH unaffected and ROHS3 compliant, meeting stringent environmental and safety standards.
• Start-Up Voltage: A start-up voltage of 14 V ensures reliable operation under various input conditions.
• Supply Voltage Range: The wide supply voltage range of 8.5V to 23.5V makes the VIPER37LD versatile for different power supply scenarios.
• Output Isolation: The isolated output design ensures safety and reliability in applications where galvanic isolation is required.
• High Breakdown Voltage: With a breakdown voltage of 800V, the VIPER37LD can handle high voltage inputs, making it suitable for demanding applications.
• Fault Protections: Comprehensive fault protections, including current limiting, over-temperature, and over-voltage, enhance the device’s robustness and reliability.
• Duty Cycle: A maximum duty cycle of 80% allows for efficient power delivery and control.
• Moisture Sensitivity Level: MSL 3 (168 Hours) ensures the device remains stable and functional in various environmental conditions.
• Packaging: The tube packaging format facilitates easy handling and integration into manufacturing processes.

VIPER37LD Applications

The VIPER37LD is ideal for applications requiring efficient power conversion and isolation. Its key applications include:

• Power Supplies: Suitable for offline power supplies in consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ideal for designing compact and efficient adapters and chargers for various electronic devices.
• Lighting Systems: Applicable in LED lighting systems where isolated power conversion is necessary.
• Telecommunications: Used in telecommunication equipment where high reliability and efficient power management are crucial.

Conclusion of VIPER37LD

The VIPER37LD from STMicroelectronics stands out in the power management IC market due to its robust features and high performance. Its wide supply voltage range, high breakdown voltage, and comprehensive fault protections make it a reliable choice for a variety of applications. The device’s compliance with environmental and safety standards further enhances its appeal. Whether used in power supplies, adapters, lighting systems, or telecommunications, the VIPER37LD offers a versatile and efficient solution for modern power management needs.

VIPER37LD Documents

Download datasheets and manufacturer documentation for VIPER37LD

PCN Assembly/Origin :

Mult Dev 11/Nov/2022      

Datasheets :

VIPER37 Datasheet      

HTML Datasheet :

VIPER37 Datasheet