KA7808R datasheet(3/28 Pages) FAIRCHILD

Teilenummer	KA7808R

Bauteilbeschribung	3-Terminal 1A Positive Voltage Regulator

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Hersteller	FAIRCHILD [Fairchild Semiconductor]

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KA78XX/KA78XXA

3

Electrical Characteristics (KA7806/KA7806R)

(Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =11V, CI= 0.33

µF, CO=0.1µF, unless otherwise specified)

Note:

1. 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.

Parameter

Symbol

Conditions

KA7806

Unit

Min.

Typ.

Max.

Output Voltage

VO

TJ =+25

oC

5.75

6.0

6.25

5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W

VI = 8.0V to 21V

5.7

6.0

6.3

V

Line Regulation (Note1)

Regline

TJ =+25

oC

VI = 8V to 25V

-

5

120

mV

VI = 9V to 13V

-

1.5

60

Load Regulation (Note1)

Regload

TJ =+25

oC

IO =5mA to 1.5A

-

9

120

mV

IO =250mA to750mA

-

3

60

Quiescent Current

IQ

TJ =+25

oC-

5.0

8.0

mA

Quiescent Current Change

∆IQ

IO = 5mA to 1A

-

0.5

mA

VI = 8V to 25V

-

1.3

Output Voltage Drift

∆VO/∆TIO = 5mA

-

-0.8

-

mV/

oC

Output Noise Voltage

VN

f = 10Hz to 100KHz, TA =+25

oC-

45

-

µV/Vo

Ripple Rejection

RR

f = 120Hz

VI = 9V to 19V

59

75

-

dB

Dropout Voltage

VDrop

IO = 1A, TJ =+25

oC-

2

-

V

Output Resistance

rO

f = 1KHz

-

19

-

m

Ω

Short Circuit Current

ISC

VI= 35V, TA=+25

oC

-

250

-

mA

Peak Current

IPK

TJ =+25

oC-

2.2

-

A

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