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PDF KA78xxE Data sheet ( Hoja de datos )

Número de pieza KA78xxE
Descripción 3-Terminal 1A Positive Voltage Regulator
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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KA78XXE/KA78XXAE
3-Terminal 1A Positive Voltage Regulator
May 2006
Features
Output Current up to 1A
Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V
Thermal Overload Protection
Short Circuit Protection
Output Transistor Safe Operating Area Protection
Description
The KA78XXE/KA78XXAE series of three-terminal posi-
tive regulator are available in the TO-220/D-PAK package
and with several fixed output voltages, making them use-
ful in a wide range of applications. Each type employs
internal current limiting, thermal shut down and safe
operating area protection, making it essentially inde-
structible. If adequate heat sinking is provided, they can
deliver over 1A output current. Although designed pri-
marily as fixed voltage regulators, these devices can be
used with external components to obtain adjustable volt-
ages and currents.
Ordering Information
Part Number
KA7805E / KA7806E
KA7808E / KA7809E
KA7810E
KA7812E / KA7815E
KA7818E / KA7824E
KA7805AE / KA7806AE
KA7808AE / KA7809AE
KA7810AE
KA7812AE/KA7815AE
KA7818AE/KA7824AE
KA7805ER / KA7806ER
KA7808ER / KA7809ER
KA7812ER
Output Voltage Tolerance
±4%
±2%
±4%
Package
TO-220
Operating Temperature
0 to +125°C
D-PAK
©2006 Fairchild Semiconductor Corporation
KA78XXE/KA78XXAE Rev. 1.0.1
1
www.fairchildsemi.com

1 page




KA78xxE pdf
Electrical Characteristics (KA7808E/KA7808ER) (Continued)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 14V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
KA7808E/ER
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO
Regline
Regload
IQ
IQ
VO/T
VN
RR
VDrop
rO
ISC
IPK
Output Voltage
TJ = +25°C
Line Regulation(5)
5.0mA IO 1.0A, PO 15W
VI = 10.5V to 23V
TJ = +25°C VI = 10.5V to 25V
Load Regulation(5)
TJ = +25°C
VI = 11.5V to 17V
IO = 5.0mA to 1.5A
IO = 250mA to 750mA
Quiescent Current
TJ = +25°C
Quiescent
Change
Current
Output Voltage Drift(6)
IO = 5mA to 1.0A
VI = 10.5A to 25V
IO = 5mA
Output Noise Voltage
Ripple Rejection(6)
f = 10Hz to 100kHz, TA = +25°C
f = 120Hz, VI = 11.5V to 21.5V
Dropout Voltage
Output Resistance(6)
IO = 1A, TJ = +25°C
f = 1kHz
Short Circuit Current
Peak Current(6)
VI = 35V, TA = +25°C
TJ = +25°C
7.7 8.0 8.3
7.6 8.0 8.4
V
– 5.0 160 mV
– 2.0 80
– 10 160 mV
– 5.0 80
– 5.0 8.0 mA
– 0.05 0.5 mA
– 0.5 1.0
– -0.8 – mV/°C
– 52 – µV/Vo
56 73
dB
–2–
V
– 17 –
m
– 230 –
mA
– 2.2 –
A
Notes:
5. 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.
6. These parameters, although guaranteed, are not 100% tested in production.
KA78XXE/KA78XXAE Rev. 1.0.1
5
www.fairchildsemi.com

5 Page





KA78xxE arduino
Electrical Characteristics (KA7824E) (Continued)
Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
KA7824E
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
VO Output Voltage
Regline Line Regulation(17)
Regload Load Regulation(17)
IQ Quiescent Current
IQ Quiescent Current Change
VO/T
VN
RR
Output Voltage Drift(18)
Output Noise Voltage
Ripple Rejection(18)
VDrop
rO
ISC
IPK
Dropout Voltage
Output Resistance(18)
Short Circuit Current
Peak Current(18)
TJ = +25°C
5.0mA IO 1.0A, PO 15W
VI = 27V to 38V
TJ = +25°C
VI = 27V to 38V
VI = 30V to 36V
TJ = +25°C
IO = 5mA to 1.5A
IO = 250mA to 750mA
TJ = +25°C
IO = 5mA to 1.0A
VI = 27V to 38V
IO = 5mA
f = 10Hz to 100kHz, TA = +25°C
f = 120Hz
VI = 28V to 38V
IO = 1A, TJ = +25°C
f = 1kHz
VI = 35V, TA = +25°C
TJ = +25°C
23
22.8
50
24 25
24 25.25
V
17 480 mV
6 240
15 480 mV
5.0 240
5.2 8.0 mA
0.1 0.5 mA
0.5 1
-1.5 – mV/°C
60 – µV/Vo
67 –
dB
2–
28 –
230 –
2.2 –
V
m
mA
A
Notes:
17. 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.
18. These parameters, although guaranteed, are not 100% tested in production.
KA78XXE/KA78XXAE Rev. 1.0.1
11
www.fairchildsemi.com

11 Page







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