KA79XX datasheet(4/15 Pages) FAIRCHILD

Teilenummer	KA79XX

Bauteilbeschribung	FIXED VOLTAGE REGULATOR (NEGATIVE)

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

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MC79XX (LM79XX) (KA79XX/A)

FIXED VOLTAGE REGULATOR (NEGATIVE)

LM7908 ELECTRICAL CHARACTERISTICS

(VI = 14V, lO = 500mA, 0

°C ≤T

J

≤ +125°C, C

I =2.2

µF, C

O = 1

µF, unless otherwise specified.)

* Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

Characteristic

Symbol

Test Conditions

Min

Typ

Max

Unit

TJ =+ 25

°C

- 7.7

- 8

- 8.3

Output Voltage

VO

IO = 5mA to 1A, PO 15W

VI = -1.5 to -23V

- 7.6

- 8

- 8.4

V

VI = -10.5 to -25V

10

100

VI= -11 to -17V

5

80

TJ =+ 25

°C

IO = 5mA to 1.5A

12

160

TJ =+ 25

°C

IO = 250 to 750mA

4

80

Quiescent Current

IQ

TJ =+ 25

°C

3

6

mA

IO = 5mA to 1A

0.05

0.5

VI = -11.5 to -25V

0.1

1

Temperature Coefficient of VD

∆V

O/

∆T

IO = 5mA

-0.6

mV/

°C

Output Noise Voltage

VN

f = 10Hz to 100KHz

TA =+ 25

°C

175

µV

Ripple Rejection

RR

f = 120Hz

∆V

I = 10V

54

60

dB

Dropout Voltage

VD

TJ=+ 25

°C

IO = 1A

2

V

Short Circuit Current

ISC

TJ=+ 25

°C, V

I = -35V

300

mA

Peak Current

IPK

TJ=+ 25

°C

2.2

A

Line Regulation

∆V

O

Load Regulation

∆V

O

mV

TJ = 25

°C

Quiescent Current Change

∆I

Q

mA

Ähnliche Beschreibung - KA79XX

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
AUK corp	S79XXPI	270Kb / 8P	Fixed-Negative-Voltage Regulator
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AUK corp	S79XXPIC	301Kb / 8P	Fixed-Negative-Voltage Regulator
Microsemi Corporation	SG79XXA	1Mb / 12P	Negative Fixed Voltage Regulator
Microsemi Corporation	SG120	167Kb / 8P	NEGATIVE FIXED VOLTAGE REGULATOR
AUK corp	S79XXPIC	271Kb / 8P	Fixed-Negative-Voltage Regulator
Microsemi Corporation	SG7912AR	405Kb / 9P	Negative Fixed Voltage Regulator
AUK corp	S79XXPI	302Kb / 8P	Fixed-Negative-Voltage Regulator
Microsemi Corporation	SG7900A	375Kb / 7P	NEGATIVE FIXED VOLTAGE REGULATOR
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