KA78XXE_06 datasheet(18/29 Pages) FAIRCHILD

Part #	KA78XXE

Description	3-Terminal 1A Positive Voltage Regulator

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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KA78XXE/KA78XXAE Rev. 1.0.1

Electrical Characteristics (KA7815AE) (Continued)

Refer to the test circuits. 0°C < TJ < +125°C, IO = 1A, VI = 23V, CI = 0.33µF, CO = 0.1µF, unless otherwise speciﬁed.

Notes:

31. Load and line regulation are speciﬁed at constant junction temperature. Change in VO due to heating effects must

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

32. These parameters, although guaranteed, are not 100% tested in production.

Symbol

Parameter

Conditions

KA7815AE

Unit

Min.

Typ.

Max.

VO

Output Voltage

TJ = +25°C

14.7

15

15.3

V

IO = 5mA to 1A, PO ≤ 15W

VI = 17.7V to 30V

14.4

15

15.6

Regline

Line Regulation(31)

VI = 17.9V to 30V, IO = 500mA

–

10

150

mV

VI = 20V to 26V

–

5

150

TJ = +25°CVI = 17.5V to 30V

–

11

150

VI = 20V to 26V

–

3

75

Regload

Load Regulation(31)

TJ = +25°C, IO = 5mA to 1.5A

–

12

100

mV

IO = 5mA to 1.0A

–

12

100

IO = 250mA to 750mA

–

5

50

IQ

Quiescent Current

TJ = +25°C–

5.2

6.0

mA

∆IQ

Quiescent Current Change

VI = 17.5V to 30V, TJ = +25°C–

–

0.8

mA

VI = 17.5V to 30V, IO = 500mA

–

0.8

IO = 5mA to 1.0A

–

0.5

∆V/∆T

Output Voltage Drift(32)

IO = 5mA

–

-1.0

–

mV/

°C

VN

Output Noise Voltage

f = 10Hz to 100kHz, TA = +25°C–

10

–

µV/Vo

RR

Ripple Rejection(32)

f = 120Hz, IO = 500mA

VI = 18.5V to 28.5V

–58

–

dB

VDrop

Dropout Voltage

IO = 1A, TJ = +25°C–

2.0

–

V

rO

Output Resistance(32)

f = 1kHz

–

19

–

m

Ω

ISC

Short Circuit Current

VI = 35V, TA = +25°C–

250

–

mA

IPK

Peak Current(32)

TJ = +25°C–

2.2

–

A

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