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LR3866 Datasheet Preview

LR3866 Datasheet

3.0A LOW DROPOUT LINEAR REGULATOR

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UNISONIC TECHNOLOGIES CO., LTD
LR3866
Preliminary
LINEAR INTEGRATED CIRCUIT
3.0A LOW DROPOUT LINEAR
REGULATOR
DESCRIPTION
The LR3866 is a low-noise, low-dropout linear regulator operated
from a 2.5V to 6V input voltage and is guaranteed to deliver 3A
output current. Wide range of preset output voltage options are
available. Built-in low on-resistance transistor provides low dropout
voltage and large output current. The LR3866 is designed and
optimized for battery-powered systems to work with low noise.
The LR3866 is developed on a CMOS process technology which
allows low quiescent current operation independent of output load
current. This CMOS process also allows the LR3866 to operate
under extremely low dropout conditions.
FEATURES
* 3A Guaranteed Output Current
* Ultra Low Dropout Voltage
* Low Ground Pin Current
* Low Temperature Coefficient
* Current Limiting Protection
* Thermal Shutdown Protection
* Excellent Line/Load Transient
* SENSE Option Improves Load Regulation
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
LR3866L-xx-TQ2-A-T
LR3866G-xx-TQ2-A-T
LR3866L-xx-TQ2-A-R
LR3866G-xx-TQ2-A-R
LR3866L-xx-TQ2-D-T
LR3866G-xx-TQ2-D-T
LR3866L-xx-TQ2-D-R
LR3866G-xx-TQ2-D-R
LR3866L-xx-TQ5-T
LR3866G-xx-TQ5-T
LR3866L-xx-TQ5-R
LR3866G-xx-TQ5-R
LR3866L-AD-TQ5-T
LR3866G-AD-TQ5-T
LR3866L-AD-TQ5-R
LR3866G-AD-TQ5-R
Note: Pin Assignment: G: GND I: VIN O: VOUT E: EN
Package
Pin Assignment
12345
TO-263
GO I - -
TO-263
GO I - -
TO-263
I GO - -
TO-263
I GO - -
TO-263-5 E I G O S
TO-263-5 E I G O S
TO-263-5 E I G O A
TO-263-5 E I G O A
A: ADJ S: SENSE
Packing
Tube
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2019 Unisonic Technologies Co., Ltd
1 of 6
QW-R102-100.c




UTC

LR3866 Datasheet Preview

LR3866 Datasheet

3.0A LOW DROPOUT LINEAR REGULATOR

No Preview Available !

LR3866
Preliminary
MARKING INFORMATION
PACKAGE VOLTAGE CODE
TO-263
18 :1.8V
33 :3.3V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-263-5
18 :1.8V
33 :3.3V
AD: ADJ
PIN CONFIGURATION
PIN DESCRIPTION
PIN NAME
EN
VIN
GND
VOUT
ADJ
SENSE
DESCRIPTION
Chip Enable (Active High). EN is internally pulled up by a resistor.It can be floating for normal
operate.
Power Input Voltage. Supply voltage can range from 2.5V to 6V. Bypass with a 68µF capacitor to
GND.
Ground
Output Voltage
Voltage-adjust Input. Connect an external resistive voltage-divider from VOUT to ADJ to set the
output voltage between 0.6V and 5V.
Remote sense pin.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 6
QW-R102-100.c


Part Number LR3866
Description 3.0A LOW DROPOUT LINEAR REGULATOR
Maker UTC
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