STMicroelectronics VIPER26LDTR - High-Voltage Converter

The VIPER26LDTR from STMicroelectronics is a high-performance, low-power, offline switched-mode power supply (SMPS) primary switcher. It is part of the VIPerPlus family, which is renowned for its energy efficiency and reliability. This device integrates a PWM controller and a 730 V avalanche-rugged power MOSFET, making it an excellent choice for a wide range of applications that require a robust and compact power solution.

One of the standout features of the VIPER26LDTR is its ability to work in a wide input voltage range, from 4.5V to 30V. This flexibility makes it suitable for various applications, from industrial control systems to home appliances and smart lighting solutions. The device is designed to simplify the circuitry for flyback, buck, and buck-boost converters, which are common topologies in power supply design.

The VIPER26LDTR offers several protections to ensure the safety and longevity of the power supply and the end application. It includes overvoltage protection, overload protection, and a thermal shutdown feature with hysteresis. Additionally, the device comes with an auto-restart or safe restart mode and a very low standby power consumption, making it ideal for designs that need to meet strict energy-saving standards.

With its integrated high-voltage startup circuit, the VIPER26LDTR ensures a quick and efficient startup phase, reducing the overall power consumption. It also features an 800 mA (source) and 650 mA (sink) current capability, which provides robust power handling capabilities for a variety of designs.

The VIPER26LDTR is available in a compact SO-16N package, which is suitable for use in space-constrained applications. Its lead-free finish and RoHS compliance make it an environmentally friendly choice for designers looking to create green products.

Overall, the VIPER26LDTR is a versatile and reliable choice for designers who require a high-voltage converter with advanced features and protections. Its integration of controller and MOSFET into a single package simplifies the design process and helps reduce the overall bill of materials, making it a cost-effective solution for a wide range of power supply applications.