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L1138G-28-S08-R

Description
Fixed Positive LDO Regulator, 2.8V, 0.22V Dropout, CMOS, PDSO8, SOP-8
CategoryPower/power management    The power supply circuit   
File Size256KB,7 Pages
ManufacturerUNISONIC TECHNOLOGIES CO.,LTD
Websitehttp://www.unisonic.com.tw/
Environmental Compliance
Download Datasheet Parametric View All

L1138G-28-S08-R Overview

Fixed Positive LDO Regulator, 2.8V, 0.22V Dropout, CMOS, PDSO8, SOP-8

L1138G-28-S08-R Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerUNISONIC TECHNOLOGIES CO.,LTD
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
AdjustabilityFIXED
Maximum drop-back voltage 10.22 V
Nominal dropback voltage 10.15 V
Maximum absolute input voltage7 V
Maximum input voltage6.5 V
Minimum input voltage3.8 V
JESD-30 codeR-PDSO-G8
length4.92 mm
Maximum grid adjustment rate0.0269%
Maximum load regulation0.1%
Number of functions1
Output times1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current 10.3 A
Maximum output voltage 12.828 V
Minimum output voltage 12.772 V
Nominal output voltage 12.8 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
method of packingTAPE AND REEL
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.96 mm
surface mountYES
technologyCMOS
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum voltage tolerance1%
width3.95 mm
UNISONIC TECHNOLOGIES CO., LTD
L1138
Preliminary
CMOS IC
HIGH OUTPUT CURRENT CMOS
VOLTAGE REGULATOR WITH
HIGH RIPPLE-REJECTION AND
LOW DROPOUT
DESCRIPTION
1
SOP-8
The UTC
L1138
is a positive LDO voltage regulator using CMOS
technology. It is featured as: low dropout voltage, high output voltage
accuracy, and low current consumption.
The internal circuits include a low on-resistance transistor to provide
a low dropout voltage and large output current; an overcurrent protector
to make sure the load current don’t exceed the current capacitance of
the output transistor, a thermal shutdown circuit to escape device
damage from over-heat, and an ON/OFF circuit to keep the battery life
longer.
In applications, the UTC
L1138
can be used in power supply unit for
DVD,
CD-ROM
drives,
battery-powered
devices,
personal
communication devices, and NBs.
SOT-89-5
FEATURES
* Output voltage‘s high accuracy: ±1.0%
* Low dropout voltage:
120mV typ.
@3.0V
output , I
OUT
=300mA
* Low current consumption:
80μA(Typ.)160μA max in operation
0.1μA(Typ.)1.0μA max in shutdown mode
* High current capability:
800mA output
@V
IN
≥V
OUT(S)
+1.0V
* With ON/OFF circuit:
Ensures long battery life.
* High ripple rejection
70dB typ@1.0kHz
* With over current protector
* With thermal shutdown circuit
ORDERING INFORMATION
Package
SOT-89-5
SOP-8
Packing
Tape Reel
Tape Reel
Ordering Number
Lead Free
Halogen Free
L1138L-xx-AB5-R
L1138G-xx-AB5-R
L1138L-xx-S08-R
L1138G-xx-S08-R
xx: Output Voltage, refer to Marking Information.
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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