BL9110 Power Management IC – 1A CMOS LDO Linear Regulator | SOT223-3 / TO252-3

The BL9110 is a low-dropout (LDO) CMOS linear regulator offering low noise, high PSRR, fast response, and output discharge.
It supports input voltages from 2.5V to 6.0V and adjustable output voltages from 1.0V to 5.0V.

With a maximum output current of 1A, it is ideal for battery-powered and portable communication devices, providing stable voltage with minimal power loss. The SOT223-3 and TO252-3 packages enable easy integration in compact designs.

Key Specifications

• Input Voltage (VIN): 2.5V – 6.0V

• Output Voltage (VOUT): Adjustable 1.0V – 5.0V

• Output Current (IOUT): Up to 1A

• Quiescent Current (IQ): 70µA

• PSRR: 70dB @1kHz

• Package: SOT223-3, TO252-3

Applications

• Battery-powered equipment

• Portable communication devices

Features

• Low dropout voltage for efficient power regulation

• Fast response and output discharge for dynamic load conditions

• High PSRR and low noise for sensitive electronics