ST VIPER27LN

Part points

• The VIPER27LN chip is a power converter integrated circuit (IC) that offers high voltage capability, low standby consumption, and various protection features. It is commonly used in energy-efficient switched-mode power supplies (SMPS) and offline flyback converters. The chip's features and compact design make it suitable for a wide range of applications, including in home appliances, LED lighting, and industrial equipment.

• Equivalent

  The equivalent products of VIPER27LN chip are: VIPER27HN, VIPER26HN, and VIPER26LN.

• Features

  The VIPER27LN is a high-voltage converter with built-in power MOSFET and protections. It features a voltage range of 85-265VAC, a maximum output power of 7W, adjustable output voltage and current, low standby power consumption, and built-in overload and overtemperature protections.

• Pinout

  The VIPER27LN is a low-power offline AC/DC converter with an IEC61000-4-5-compliant surge rating. It has 8 pins and functions as a switch-mode power supply controller. The pins are used for primary and secondary side regulation, feedback, error amplification, voltage reference, startup circuitry, and power ground connection.

• Manufacturer

  The VIPER27LN is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, manufactures, and markets a wide range of products, including microcontrollers, power management, and analog and mixed-signal integrated circuits.

• Application Field

  The VIPER27LN is commonly used in multiple application areas such as low power offline converters, auxiliary power supplies, battery chargers, LED lighting, standby/non-stanby equipment, and industrial applications. Its compact design, high efficiency, and wide input voltage range make it suitable for a wide range of electronic devices requiring a reliable and efficient power supply.

• Package

  The VIPER27LN chip is available in an ECOPACK® SO-8 package, which is a surface-mount package with 8 pins. The package size is 5x6mm.