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LM7805CT データシート(PDF) 11 Page - Fairchild Semiconductor

部品番号 LM7805CT
部品情報  3-Terminal 1A Positive Voltage Regulator
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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Electrical Characteristics (LM7809A)
(Refer to the test circuits. 0
qC  TJ  125qC, IO = 1A, VI = 15V, CI = 0.33PF, CO = 0.1PF, unless otherwise specified)
Note 26: 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.
Note 27: These parameters, although guaranteed, are not 100% tested in production.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Output Voltage
VO
TJ = 25qC
8.82
9.0
9.16
V
IO = 5mA to 1A, PO d 15W, VI = 11.2V to 24V
8.65
9.0
9.35
Line Regulation
Regline
VI = 11.7V to 25V, IO = 500mA
6.0
90.0
mV
(Note 26)
VI = 12.5V to 19V
4.0
45.0
TJ = 25qCVI = 11.5V to 24V
6.0
90.0
VI = 12.5V to 19V
2.0
45.0
Load Regulation
Regload
TJ = 25qC, IO = 5mA to 1.0mA
12.0
100
mV
(Note 26)
IO = 5mA to 1mA
12.0
100
IO = 250mA to 750mA
5.0
50.0
Quiescent Current
IQ
TJ = 25qC–
5.0
6.0
mA
Quiescent Current Change
'IQ
IO = 5mA to 1A
0.5
mA
VI = 12V to 25V, IO = 500mA
0.8
VI = 11.7V to 25V, TJ = 25qC–
0.8
Output Voltage Drift (Note 27)
'VO/'TIO = 5mA
1.0
mV/
qC
Output Noise Voltage
VN
f = 10Hz to 100KHz, TA = 25qC
10.0
PV/VO
Ripple Rejection (Note 27)
RR
f = 120Hz, IO = 500mA, VI = 12V to 22V
62.0
dB
Dropout Voltage
VDROP
IO = 1A, TJ = 25qC–
2.0
V
Output Resistance (Note 27)
rO
f = 1KHz
17.0
m
:
Short Circuit Current
ISC
VI = 35V, TA = 25qC–
250
mA
Peak Current (Note 27)
IPK
TJ =25qC–
2.2
A


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