LM7909 datasheet(1/1 Pages) TGS

номер детали	LM7909

подробное описание детали	3-Terminal Positive Voltage Regulator

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производитель	TGS [Tiger Electronic Co.,Ltd]

домашняя страница	http://www.tgselec.com

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Parameter

Symbol

Typ

Unit

Input Voltage

VI

-35

V

Output Voltage

VO

-9.0

V

Peak Current

IPK

-2.2

A

Operating Temperature

Range

TOPR

0~125

oC

Storage Temperature Range

TSTG

-65~150

oC

LM7909

GENERAL

GENERAL DESCRIPTION

DESCRIPTION

Parameter

Symbol

Test

Conditions

Min

Typ

Max

Unit

Output Voltage

VO

VI = -12V to -23V,PO≤15W

-8.6

-9.0

-9.4

V

Line Regulation (Note1)

Regline

VI = -12V to -25V

—

-10

-180

mV

VI = -13V to -18V

—

-5

-90

Load Regulation (Note1)

Regload

IO = -5.0mA to-1.5A

—

-12

-180

mV

IO =-250mA to -750mA

—

-4

-90

Quiescent Current

IQ

TJ =+25 oC

—

-3

-6

mA

Quiescent Current Change

ΔIQ

IO = -5mA to -1A

—

-0.5

mA

VI = -12V to -25V

—

-1.0

Ripple Rejection

RR

f = 120Hz, △Vi = 10V

54

60

—

dB

Dropout Voltage

VDrop

IO = -1A, TJ =+25 oC

—

-2

—

V

Short Circuit Current

ISC

VI = -35V, TA =+25 oC

—

-300

—

mA

Peak Current

IPK

TJ =+25 oC

—

-2.2

—

A

3-Terminal

3-Terminal Positive

Positive

Positive Voltage

Voltage

Voltage Regulator

Regulator

The LM7909 series of three terminal positive regulators are available in the TO-220 package and with

several fixed output voltages, making them useful in a wide range of applications. Each type employs

internal current limiting, thermal shut down and safe operating area protection, making it essentially

indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although

designed primarily as fixed voltage regulators, these devices can be used with external components to

obtain adjustable voltages and currents.

Product

Product specification

specification

ABSOLUTE

ABSOLUTE MAXIMUM

MAXIMUM

MAXIMUM RATINGS

RATINGS

ELECTRICAL

ELECTRICAL CHARACTERISTICS

CHARACTERISTICS

(Refer to test circuit, Io = -500mA, Vi = -15V, Ci= 2.2uF, Co=1.0uF unless otherwise specified)

(((( Ta

Ta

Ta =

=

= 25

25

25 C)

C)

O

(((( Ta

Ta

Ta =

=

= 25

25

25 C)

C)

O

TO-220

TIGER ELECTRONIC CO.,LTD

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