STMicroelectronics VIPer20B High Voltage Converter
The VIPer20B is a robust, high-performance integrated circuit from STMicroelectronics, designed for flexible and reliable power supply applications. This versatile converter combines a dedicated current mode PWM controller with a high-voltage power MOSFET on the same silicon chip. Ideal for a wide range of applications, the VIPer20B offers an efficient and compact solution for switching power supplies.
Key Features
- Integrated Power MOSFET: The VIPer20B incorporates an 800V avalanche-rugged power MOSFET, allowing the handling of high energy spikes typical in auxiliary power supplies and offering enhanced system reliability.
- Adjustable Oscillator Frequency: With an oscillator frequency that can be adjusted up to 200 kHz, designers can optimize their applications for performance or for minimal footprint by selecting the appropriate external components.
- Current Mode Control: The current mode PWM controller provides excellent output voltage regulation and a fast response to load transients.
- Low Standby Power Consumption: A very low start-up current and a quiescent current under operation allows for compliance with energy-saving standards, making it suitable for "green" power solutions.
- Multiple Protection Features: The VIPer20B is equipped with overvoltage protection, overload protection, thermal shutdown, and hysteresis for enhanced safety and reliability.
Applications
The VIPer20B is designed for a diverse array of applications, making it a go-to choice for designers. It's particularly well-suited for:
- Switch Mode Power Supplies (SMPS) for auxiliary circuits in home appliances, consumer electronics, and industrial systems.
- LED lighting drivers where high voltage capability and reliability are required.
- Adapters and chargers that benefit from the device's energy efficiency and compact size.
- Standby power supplies that require low power consumption in idle mode.
With its combination of features and protections, the VIPer20B from STMicroelectronics offers a powerful, reliable, and energy-efficient solution for designers looking to create advanced power supply systems. Its integration of controller and MOSFET into a single package simplifies design, reduces component count, and enhances overall system robustness, making it a solid choice for a multitude of power conversion applications.
