BL9153 Power Management IC – 500mA CMOS LDO Linear Regulator | SOT89-3

The BL9153 is a low-dropout (LDO) CMOS linear regulator optimized for low power consumption and stable voltage output.
It operates with an input voltage range of 4.75V to 40V and provides fixed output voltages of 1.8V, 3.3V, 3.6V, and 5–10V, suitable for smart meters and industrial control systems.

With a maximum output current of 500mA and ultra-low quiescent current, it ensures efficient operation in battery-powered and industrial devices. The SOT89-3 package provides compact integration for PCB designs.

Key Specifications

• Input Voltage (VIN): 4.75V – 40V

• Output Voltage (VOUT): 1.8V, 3.3V, 3.6V, 5–10V

• Output Current (IOUT): Up to 500mA

• Quiescent Current (IQ): 6µA

• PSRR: 50dB @100Hz

• Package: SOT89-3

Applications

• Smart meters

• Industrial control systems

Features

• Ultra-low power consumption for energy-efficient designs

• Low dropout voltage ensures precise regulation

• Compact SOT89-3 package suitable for tight layouts