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L4945 Datasheet

  • L4945

  • 5V VERY LOW DROP VOLTAGE REGULATOR

  • 6頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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廬
L4945
5V VERY LOW DROP VOLTAGE REGULATOR
5V
鹵
4% PRECISE OUTPUT VOLTAGE
OVER FULL TEMPERATURE RANGE
(鈥?40 / 125
擄
C)
VERY LOW VOLTAGE DROP (0.75Vmax)
OVER FULL TEMPERATURE RANGE
OUTPUT CURRENT UP TO 500mA
OVERVOLTAGE AND REVERSE VOLTAGE
PROTECTIONS
REVERSE VOLTAGE PROTECTION
SHORT CIRCUIT PROTECTION AND THER-
MAL SHUT-DOWN (with hysteresis)
LOW START UP CURRENT
DESCRIPTION
The L4945 is a monolithic integrated circuit in
Versawatt package specially designed to provide
a stabilized supply voltage for automotive and in-
dustrial electronic systems. Thanks to their very
low voltage drop, in automotive applications the
devices can work correctly even during the crank-
BLOCK DIAGRAM
TO220
ORDERING NUMBER:
L4945
ing phase, when the battery voltage could fall as
low as 6V. Furthermore, they incorporate a com-
plete range of protection circuits against the dan-
gerous overvoltages always present on the bat-
tery rail of the car.
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
March 1999
1/6

L4945 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式

  • 5V

  • 6 V ~ 26 V

  • 0.4V @ 500mA

  • 1

  • 500mA

  • -40°C ~ 125°C

  • 通孔

  • TO-220-3

  • TO-220AB

  • 管件

  • 497-3629

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