ST VIPER12AS

Part points

• The VIPER12AS chip is a high-voltage converter IC that integrates a 730 V start-up switch, a PWM controller, and a high-voltage power MOSFET. It provides compact and efficient power supply solutions for LED lighting applications. With a wide input range and various protection features, the VIPER12AS chip offers a reliable and cost-effective solution for power management in LED lighting systems.

• Equivalent

  The equivalent products of the VIPER12AS chip are the VIPER12A, VIPER12ADIP-E, and VIPER12ADIPTR-E.

• Features

  The VIPER12AS is a high-voltage converter that integrates an 800V avalanche-rugged power MOSFET with PWM controller. It offers overcurrent and output open-load protections, short-circuit protection, and switching frequency modulation to help reduce EMI noise. Additionally, the device includes a startup current of only 15µA, allowing for low standby power consumption.

• Pinout

  The VIPER12AS is a power supply IC with 8 pins. Its functions include a high voltage startup, a built-in 700V MOSFET, overvoltage protection, current limitation, and hysteretic thermal shutdown. It is commonly used in offline power supplies, such as LED drivers and adapters.

• Manufacturer

  The manufacturer of the VIPER12AS is STMicroelectronics. It is a multinational semiconductor company that designs and manufactures a wide range of integrated circuits and electronic components.

• Application Field

  The VIPER12AS is a high-voltage converter specifically designed for low-power offline flyback converters. It is commonly used in applications such as LED lighting, battery chargers, standby power supplies, and appliance control in white goods.

• Package

  The VIPER12AS chip is available in a compact SO-8 package. Its form is a single integrated circuit with 8 pins. The size of the chip is approximately 5.3mm x 6.3mm.