The VIPER115HSTR from STMicroelectronics is a high-performance, low-power, offline switched-mode power supply (SMPS) primary switcher. It is a part of the VIPerPlus family and is designed to deliver an efficient power conversion solution with minimal external components. This integrated circuit is particularly suitable for applications requiring a high level of reliability and power efficiency, such as adapters, chargers, and standby power supplies.

Key Features

• High Voltage Capability: The VIPER115HSTR operates at a supply voltage up to 18V, making it well-suited for handling fluctuating input voltages without the need for additional voltage regulation.
• Energy Efficient: With a built-in high-voltage startup circuit and advanced PWM controller, this device ensures low power consumption during both operation and standby, contributing to energy savings.
• Integrated Protections: It includes multiple protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, which enhance the safety and longevity of the end application.
• Reduced Component Count: The VIPER115HSTR integrates a 115 kHz fixed-frequency current mode PWM controller and a high-voltage MOSFET in one package, reducing the number of external components required.
• Compact Size: Offered in a small footprint package, it allows for a compact design, ideal for space-constrained applications.

Applications

The versatility of the VIPER115HSTR makes it an excellent choice for a wide range of applications. It is particularly effective in:

• SMPS for consumer electronics
• Adapters for smartphones, tablets, and other portable devices
• Standby and auxiliary power supplies
• LED lighting drivers

STMicroelectronics' commitment to innovation is evident in the VIPER115HSTR, which offers designers a robust, efficient, and compact solution for their power supply needs. With its integrated features and protections, the VIPER115HSTR is engineered to meet the stringent requirements of today's electronic devices, ensuring a reliable and high-quality power management solution.