BLL1912 Power Management IC, Linear LED Driver, 2.0–10V Input, 1–300mA, SOT23-3 / SOT89-3

The BLL1912 is a linear LED driver IC designed for constant-current LED lighting and backlight applications. It supports a wide output current range from 1mA to 300mA with ±2% current accuracy, ensuring uniform brightness and stable operation. With simple peripheral requirements and compact packaging, it is ideal for low- to medium-power LED luminaires and display backlighting.

Key Specifications

• Driver Mode: Linear

• Input Voltage (VIN): 2.0V – 10V

• Output Current (IOUT): 1mA – 300mA

• Current Accuracy: ±2%

• Oscillator Frequency (FOSC): —

• Feedback Voltage (VFB): 1.2V

• Packages: SOT23-3, SOT89-3

Applications

• LED luminaires

• LED backlight for displays

• Indicator and decorative lighting

• Portable LED lighting products

Features

• Wide adjustable LED current range

• High current regulation accuracy

• Simple linear driver architecture

• Low external component count

• Compact package options