KA78XXAE(2003) View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

Manufacturer

KA78XXAE
(Rev.:2003)

3-Terminal 1A Positive Voltage Regulator

Fairchild Semiconductor 

KA78XXE/KA78XXAE

Electrical Characteristics (KA7824AE) (Continued)

(Refer to the test circuits. 0°C < TJ < +125°C, Io =1A, V I = 33V, C I=0.33µF, CO=0.1µF, unless otherwise specified)

Parameter

Output Voltage

Line Regulation (Note1)

Load Regulation (Note1)

Quiescent Current

Quiescent Current Change

Output Voltage Drift (Note2)

Output Noise Voltage

Ripple Rejection (Note2)

Dropout Voltage

Output Resistance (Note2)

Short Circuit Current

Peak Current (Note2)

Symbol

VO

Regline

Regload

IQ

∆IQ

∆V/∆T

VN

RR

VDrop

rO

ISC

IPK

Conditions

TJ =+25°C

IO = 5mA to 1A, PO ≤15W

VI = 27.3V to 38V

VI= 27V to 38V, IO = 500mA

VI= 21V to 33V

TJ =+25°C

VI= 26.7V to 38V

VI= 30V to 36V

TJ =+25°C, IO = 5mA to 1.5A

IO = 5mA to 1.0A

IO = 250mA to 750mA

TJ =+25°C

VI = 27.3V to 38V, TJ =+25°C

VI = 27.3V to 38V, IO = 500mA

IO = 5mA to 1.0A

IO = 5mA

f = 10Hz to 100kHz, TA = 25°C

f = 120Hz, IO = 500mA

VI = 28V to 38V

IO = 1A, TJ =+25°C

f = 1kHz

VI= 35V, TA =+25°C

TJ=+25°C

Min. Typ. Max. Unit

23.5 24 24.5

V

23 24 25

-

18 240

-

6 240

mV

-

18 240

-

6 120

-

15 100

-

15 100 mV

-

7

50

-

5.2 6.0

mA

-

-

0.8

-

-

0.8 mA

-

-

0.5

-

-1.5

- mV/°C

-

10

- µV/Vo

-

54

-

dB

-

2.0

-

V

-

20

-

mΩ

-

250

-

mA

-

2.2

-

A

Note:

1. 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.

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

17

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