BL1085 Bipolar LDO Linear Regulator, Low Dropout Voltage, 1.8–5V Output, 3A, TO252 / TO263 / TO220 Package

The BL1085 is a bipolar LDO linear regulator providing stable output voltages from 1.8V to 5V with up to 3A output current. It features low dropout voltage, high reliability, and fast transient response, making it suitable for PC motherboards, monitors, TVs, and STBs. Available in TO252, TO263-2, TO263-3, and TO220-3 packages.

Key Specifications

• Input Voltage (VIN): Max. 15V

• Output Voltage (VOUT): 1.8V, 2.5V, 3.3V, 5V, ADJ (1.25–13.8V)

• Output Current (IOUT): 3A

• Output Accuracy: ±2%

• Quiescent Current (IQ): 5mA

• Package: TO252, TO263-2, TO263-3, TO220-3

Applications

• PC motherboards

• Monitors and TVs

• Set-top boxes (STB)

Features

• High output current capability (up to 3A)

• Low dropout voltage

• Fast transient response with bipolar design

• Multiple package options for high-power applications