Datasheet > L78LXXAB

L78LXXAB

更新时间： 2024-11-06 04:45:27

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器
页数	文件大小	规格书
29页	908K
描述
Positive voltage regulators

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数据手册

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L78LXXAB 数据手册

L78LxxAB

L78LxxAC - L78LxxC

Positive voltage regulators

Features

■ Output current up to 100 mA

■ Output voltages of 3.3; 5; 6; 8; 9; 10; 12; 15; 18;

24 V

■ Thermal overload protection

■ Short circuit protection

TO-92

■ No external components are required

■ Available in either 5ꢀ ꢁAꢂC or 10ꢀ ꢁꢂC

selection

SO-8

Description

SOT-89

The L78Lxx series of three-terminal positive

regulators employ internal current limiting and

thermal shutdown, making them essentially

indestructible. If adequate heat-sink is provided,

they can deliver up to 100 mA output current.

They are intended as fixed voltage regulators in a

wide range of applications including local or on-

card regulation for elimination of noise and

distribution problems associated with single-point

regulation.

In addition, they can be used with power pass

elements to make high-current voltage regulators.

The L78Lxx series used as Zener diode/resistor

combination replacement, offers an effective

output impedance improvement of typically two

orders of magnitude, along with lower quiescent

current and lower noise.

Table 1.

Device summary

Part numbers

L78L33ꢂ

L78L33Aꢂ

L78L33AB

L78L05ꢂ

L78L08Aꢂ

L78L08AB

L78L09ꢂ

L78L15ꢂ

L78L15Aꢂ

L78L15AB

L78L18ꢂ

L78L09Aꢂ

L78L09AB

L78L10Aꢂ

L78L12ꢂ

L78L05Aꢂ

L78L05AB

L78L06Aꢂ

L78L06AB

L78L08ꢂ

L78L18Aꢂ

L78L24ꢂ

L78L24Aꢂ

L78L24AB

L78L12Aꢂ

L78L12AB

August 2008

Rev 16

1/29

www.st.com

12 3 4 5 6 7...29

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