BL9161G LDO Regulator – 5.5V 300mA Ultra-Low IQ Linear Regulator, SOT23-3 / SOT23-5

Shanghai Belling

The BL9161G is an ultra-low quiescent current LDO regulator designed for low-power systems requiring long battery life. With only 2.5 µA standby current and up to 300mA output capability, it is ideal for always-on and portable electronics.

Its compact package allows easy integration into small form-factor designs.

Key Specifications

  • Input Voltage: Up to 5.5V

  • Output Current: 300mA

  • Quiescent Current: 2.5µA

  • Package: SOT23-3 / SOT23-5

Applications

  • Battery-powered devices

  • IoT sensors

  • Portable electronics

  • Standby power rails

Features

  • Ultra-low standby current

  • Stable output regulation

  • Compact package

  • High efficiency at light load