Datasheet > LB1138BG-28-AB5-R

LB1138BG-28-AB5-R

更新时间： 2024-09-26 02:44:59

品牌	Logo	应用领域
友顺 - UTC		输出元件
页数	文件大小	规格书
7页	271K
描述
HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

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UNISONIC TECHNOLOGIES CO., LTD

L1138B

CMOS IC

HIGH OUTPUT CURRENT CMOS

VOLTAGE REGULATOR WITH

HIGH RIPPLE-REJECTION AND

LOW DROPOUT

SOP-8



DESCRIPTION

SOT-89-5

The UTC L1138B 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.

SOT-25

In applications, the UTC L1138B can be used in power supply unit

for DVD, CD-ROM drives, battery-powered devices, personal

communication devices, and NBs.



FEATURES

* Output voltage‘s high accuracy: ±1.0%

* Low dropout voltage:

120mV typ.

@3.3V output , I_OUT=300mA

80μA(Typ.)160μA max in operation

0.1μA(Typ.)1.0μA max in shutdown mode

800mA output

* Low current consumption:

* High current capability:

@V_IN≥V_OUT(S)+1.0V

* With ON/OFF circuit:

* High ripple rejection

Ensures long battery life.

70dB typ@1.0kHz

* With over current protector

* With thermal shutdown circuit

 ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

L1138BG-xx-AB5-R

L1138BG-xx-AF5-R

L1138BG-xx-S08-R

L1138BG-xx-AB5-R

L1138BG-xx-AF5-R

L1138BG-xx-S08-R

SOT-89-5

SOT-25

SOP-8

Tape Reel

xx: Output Voltage, refer to Marking Information.

www.unisonic.com.tw

1 of 7

QW-R502-323.K

12 3 4 5 6 7

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