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KA7805AETU.. Scheda tecnica(PDF) 17 Page - ON Semiconductor

Il numero della parte KA7805AETU..
Spiegazioni elettronici  3-Terminal 1 A Positive Voltage Regulator
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© 2006 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA78XXE / KA78XXAE Rev. 1.9
16
Electrical Characteristics (KA7812AE)
Refer to the test circuit, 0
°C < TJ < +125°C, IO = 1 A, VI = 19 V, CI= 0.33 μF, CO = 0.1 μF, unless otherwise specified.
Notes:
27. 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.
28. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = +25°C
11.75
12.00
12.25
V
IO = 5 mA to 1 A, PO ≤ 15 W,
VI = 14.8 V to 27 V
11.50
12.00
12.50
Regline
Line Regulation(27)
VI = 14.8 V to 30 V, IO = 500 mA
10
120
mV
VI= 16 V to 22 V
4
120
TJ = +25°C
VI= 14.5 V to 27 V
10
120
VI= 16 V to 22 V
3
60
Regload
Load Regulation(27)
TJ = +25°C, IO = 5 mA to 1.5 A
12
100
mV
IO = 5 mA to 1.0 A
12
100
IO = 250 mA to 750 mA
5
50
IQ
Quiescent Current
TJ = +25°C5.1
6.0
mA
ΔIQ
Quiescent Current Change
VI = 15 V to 30 V, TJ = +25°C0.8
mA
VI = 14 V to 27 V, IO = 500 mA
0.8
IO = 5 mA to 1.0 A
0.5
ΔV/ΔT
Output Voltage Drift(28)
IO = 5 mA
-1
mV/
°C
VN
Output Noise Voltage
f = 10 Hz to 100 kHz, TA = +25°C76
μV
RR
Ripple Rejection(28)
f = 120 Hz, IO = 500 mA,
VI = 14 V to 24 V
60
dB
VDrop
Dropout Voltage
IO = 1 A, TJ = +25°C2
V
RO
Output Resistance(28)
f = 1 kHz
18
m
Ω
ISC
Short-Circuit Current
VI = 35 V, TA = +25°C250
mA
IPK
Peak Current(28)
TJ = +25°C2.2
A



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