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KA78XXE Datenblatt(Datasheet) 10 Page - Fairchild Semiconductor

Teile-Nr. KA78XXE
Beschreibung  3-Terminal 1 A Positive Voltage Regulator
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Hersteller  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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© 2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA78XXE / KA78XXAE Rev. 1.1.1
10
Electrical Characteristics (KA7815E)
Refer to test circuit, 0
°C < TJ < 125°C, IO = 500 mA, VI = 23 V, CI = 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Notes:
15. 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.
16. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = +25°C
14.40
15.00
15.60
V
5.0 mA
≤ IO ≤ 1.0 A, PO ≤ 15 W,
VI = 17.5 V to 30 V
14.25
15.00
15.75
Regline
Line Regulation(15)
TJ = +25°C
VI = 17.5 V to 30 V
11
300
mV
VI = 20 V to 26 V
3
150
Regload
Load Regulation(15)
TJ = +25°C
IO = 5 mA to 1.5 A
12
300
mV
IO = 250 mA to 750 mA
4
150
IQ
Quiescent Current
TJ = +25°C5.2
8.0
mA
ΔIQ
Quiescent Current Change
IO = 5 mA to 1.0 A
0.5
mA
VI = 17.5 V to 30 V
1.0
ΔVO/ΔT
Output Voltage Drift(16)
IO = 5 mA
-1
mV/
°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C90
μV/Vo
RR
Ripple Rejection(16)
f = 120 Hz, VI = 18.5 V to 28.5 V
54
70
dB
VDrop
Dropout Voltage
IO = 1 A, TJ= +25°C2
V
RO
Output Resistance(16)
f = 1 kHz
19
m
Ω
ISC
Short-Circuit Current
VI = 35 V, TA= +25°C250
mA
IPK
Peak Current(16)
TJ =+25°C2.2
A




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