UNISONIC TECHNOLOGIES CO., LTD

LR8845

Preliminary

CMOS IC

www.unisonic.com.tw

1 of 4

Copyright © 2012 Unisonic Technologies Co., Ltd

QW-R502-750.a

3A LOW DROPOUT LINEAR

REGULATOR

DESCRIPTION

The UTC LR8845 belonged to low quiescent current, low

dropout linear regulators operated from 2.5V to 6V input and are

guaranteed to deliver 3A. Wide range of preset output voltage

options are available. Built-in low on-resistance transistor provides

low dropout voltage and large output current. The UTC LR8845 is

designed and optimized for battery-powered systems to work with

low noise.

The UTC LR8845 consumes less than 2μA in shutdown mode.

Other features include ultra low dropout voltage, current limiting

protection, thermal shutdown protection and high ripple rejection

ratio.

FEATURES

* 3A Guaranteed Output Current

* low quiescent current: 300μA (typ.)

* 2μA Shutdown Current

* Short Circuit Current Fold-back

* Low Temperature Coefficient

* Current Limiting Protection

* Thermal Shutdown Protection

* Excellent Line/Load Transient

* SENSE Option Improves Load Regulation

ORDERING INFORMATION

Ordering Number

Package

Pin Assignment

Packing

Lead Free

Halogen Free

1

2

3

LR8845L-xx-AA3-D-R

LR8845G-xx-AA3-D-R

SOT-223

I

G

O

Tape Reel

LR8845L-xx-TN3-D-R

LR8845G-xx-TN3-D-R

TO-252

I

G

O

Tape Reel

LR8845L-xx-TN3-D-T

LR8845G-xx-TN3-D-T

TO-252

I

G

O

Tube

LR8845L-xx-TQ3-D-R

LR8845G-xx-TQ3-D-R

TO-263

I

G

O

Tape Reel

LR8845L-xx-TQ3-D-T

LR8845G-xx-TQ3-D-T

TO-263

I

G

O

Tube

2. xx: Output Voltage, refer to Marking Information.