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LM7805CT Fiches technique(PDF) 6 Page - Fairchild Semiconductor

No de pièce LM7805CT
Description  3-Terminal 1A Positive Voltage Regulator
Download  28 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM7805CT Fiches technique(HTML) 6 Page - Fairchild Semiconductor

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LM78XX/LM78XXA Rev. 1.0
Electrical Characteristics (LM7809) (Continued)
Refer to the test circuits. -40°C
< TJ < 125°C, IO = 500mA, VI = 15V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
7. 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.
8. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = +25°C
8.65
9.0
9.35
V
5mA
≤ IO ≤ 1A, PO ≤ 15W,
VI = 11.5V to 24V
8.6
9.0
9.4
Regline
Line Regulation(7)
TJ = +25°C VI = 11.5V to 25V
6.0
180
mV
VI = 12V to 17V
2.0
90.0
Regload
Load Regulation(7)
TJ = +25°C IO = 5mA to 1.5A
12.0
180
mV
IO = 250mA to 750mA
4.0
90.0
IQ
Quiescent Current
TJ = +25°C
5.0
8.0
mA
∆IQ
Quiescent Current Change IO = 5mA to 1A
0.5
mA
VI = 11.5V to 26V
1.3
∆VO/∆T Output Voltage Drift(8)
IO = 5mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C
58.0
µV/VO
RR
Ripple Rejection(8)
f = 120Hz, VO = 13V to 23V
56.0
71.0
dB
VDROP
Dropout Voltage
IO = 1A, TJ = +25°C
2.0
V
rO
Output Resistance(8)
f = 1kHz
17.0
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C
250
mA
IPK
Peak Current(8)
TJ = +25°C
2.2
A


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