STMicroelectronics

VIPER319LDTR  

AC DC Converters, Offline Switches

VIPER319LDTR Description

The VIPER319LDTR is a highly integrated offline switcher IC designed for low-power AC-DC conversion applications. Manufactured by STMicroelectronics, this device is part of the VIPER™ series and is optimized for compact and efficient power supply designs. The VIPER319LDTR features a wide input voltage range of 4.5V to 30V and a high breakdown voltage of 800V, making it suitable for various AC-DC conversion tasks. It supports a switching frequency of 60kHz, ensuring efficient power conversion with minimal electromagnetic interference (EMI).

The VIPER319LDTR is designed with an internal switch, simplifying the circuit design and reducing the number of external components required. It also includes a soft-start feature to prevent inrush currents during startup, ensuring a smooth and reliable operation. The device is compliant with RoHS3 and REACH regulations, making it suitable for environmentally conscious applications. Additionally, it has a moisture sensitivity level (MSL) of 3, allowing for a 168-hour exposure to moisture before assembly.

VIPER319LDTR Features

• Wide Input Voltage Range: The VIPER319LDTR operates efficiently within a wide input voltage range of 4.5V to 30V, making it versatile for different power supply requirements.
• High Breakdown Voltage: With a breakdown voltage of 800V, the device ensures robustness against voltage spikes and transient conditions.
• Integrated Switch: The inclusion of an internal switch simplifies the design process and reduces the overall component count, leading to more compact and cost-effective solutions.
• Soft Start Feature: The soft-start mechanism prevents inrush currents during startup, enhancing the reliability and longevity of the power supply.
• Comprehensive Fault Protection: The VIPER319LDTR offers comprehensive protection against over-load, over-temperature, over-voltage, and short-circuit conditions, ensuring safe and reliable operation.
• Regulatory Compliance: The device is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious designs.
• Moisture Sensitivity Level: MSL 3 (168 hours) ensures the device can withstand moisture exposure during the manufacturing process, reducing the risk of soldering-related issues.

VIPER319LDTR Applications

The VIPER319LDTR is ideal for a variety of low-power AC-DC conversion applications where efficiency, compactness, and reliability are paramount. Specific use cases include:

• Consumer Electronics: Ideal for powering small appliances, chargers, and adapters where space is limited and efficiency is crucial.
• Industrial Equipment: Suitable for low-power control circuits and auxiliary power supplies in industrial settings.
• Medical Devices: Applicable in medical equipment where compact and reliable power supplies are required, and regulatory compliance is essential.
• Telecommunications: Can be used in low-power telecom applications such as remote monitoring devices and small base stations.
• LED Lighting: Efficient power conversion makes it suitable for LED drivers and other lighting applications where energy efficiency is a priority.

Conclusion of VIPER319LDTR

The VIPER319LDTR from STMicroelectronics stands out as a reliable and efficient solution for low-power AC-DC conversion needs. Its wide input voltage range, high breakdown voltage, and integrated switch make it a versatile and cost-effective choice. The inclusion of comprehensive fault protection and regulatory compliance further enhances its appeal for a wide range of applications. Whether used in consumer electronics, industrial equipment, or medical devices, the VIPER319LDTR offers a robust and efficient power supply solution that meets the demands of modern electronics.

VIPER319LDTR Documents

Download datasheets and manufacturer documentation for VIPER319LDTR

PCN Assembly/Origin :

Mult Dev 11/Nov/2022      

Datasheets :

VIPER31      

PCN Design/Specification :

VIPER31x Datasheet 10/Aug/2023