ME431A Power Management IC, Adjustable Shunt Voltage Reference, 36V, High Accuracy TO92 SOT23 SOT89-3

Shanghai Belling

The ME431A is an adjustable shunt voltage reference IC designed for AC/DC power supply regulation, feedback control, and overvoltage protection. It supports cathode voltages up to 36V and provides excellent accuracy with stable operation across a wide current range.

Key Specifications

  • Cathode Voltage (VKA): VREF to 36V

  • Cathode Current (IKA): 1mA – 100mA

  • Reference Voltage (VREF): 2.5V

  • Voltage Tolerance: ±0.4%

  • Minimum Cathode Current for Regulation (IKA MIN): 400μA

  • Package: TO92, SOT23, SOT89-3

Applications

  • AC/DC power supply feedback

  • SMPS regulation loops

  • Battery chargers

  • Overvoltage protection

Features

  • High reference accuracy

  • Wide operating current range

  • Stable temperature performance

  • Multiple package options