L78 datasheet(1/54 Pages) STMICROELECTRONICS

部件名	L78

功能描述	Thermal overload protection

PDF	54 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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November 2016

DocID2143 Rev 34

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This is information on a product in full production.

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L78

Positive voltage regulator ICs

Datasheet - production data

Features



Output current up to 1.5 A



Output voltages of 5; 6; 8; 8.5; 9; 12; 15; 18;

24 V



Thermal overload protection



Short circuit protection



Output transition SOA protection



2 % output voltage tolerance (A version)



Guaranteed in extended temperature range

(A version)

Description

The L78 series of three-terminal positive

regulators is available in TO-220, TO-220FP,

D²PAK and DPAK packages and several fixed

output voltages, making it useful in a wide range

of applications.

These regulators can provide local on-card

regulation, eliminating the distribution problems

associated with single point regulation. Each type

embeds internal current limiting, thermal shut-

down and safe area protection, making it

essentially indestructible. If adequate heat

sinking is provided, they can deliver over 1 A

output current. Although designed primarily as

fixed voltage regulators, these devices can be

used with external components to obtain

adjustable voltage and currents.

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