L4940 datasheet(1/13 Pages) STMICROELECTRONICS

Il numero della parte	L4940

Spiegazioni elettronici	VERY LOW DROP 1.5 A REGULATORS

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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L4940 series

VERY LOW DROP 1.5 A REGULATORS

November 1999

s

PRECISE 5 V, 8.5 V, 10 V, 12 V OUTPUTS

s

LOW DROPOUT VOLTAGE (500 mV typ

at 1.5A)

s

VERY LOW QUIESCENT CURRENT

s

THERMAL SHUTDOWN

s

SHORT CIRCUIT PROTECTION

s

REVERSE POLARITY PROTECTION

DESCRIPTION

The L4940 series of three terminal positive

regulators is available in TO-220 and D

2PAK

package and with several fixed output voltages,

making it useful in a wide range of industrial and

consumer applications. Thanks to its very low

input/output voltage drop, these devices are

particularly

suitable

for

battery

powered

equipments,

reducing

consumption

and

prolonging battery life.

Each

type employs

internal current limiting, antisaturation circuit,

thermal shut-down and safe area protection.

BLOCK DIAGRAM

D

2PAK

TO-263

TO-220

®

1/13

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