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LM7805CT Fiches technique(PDF) 20 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) 20 Page - Fairchild Semiconductor

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LM78XX/LM78XXA Rev. 1.0
Electrical Characteristics (LM7824A) (Continued)
Refer to the test circuits. 0°C
< TJ < 125°C, IO = 1A, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
35. 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.
36. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
VO
Output Voltage
TJ = +25°C
23.5
24.0
24.5
V
IO = 5mA to 1A, PO ≤ 15W,
VI = 27.3V to 38V
23.0
24.0
25.0
Regline
Line Regulation(35)
VI = 27V to 38V, IO = 500mA
18.0
240
mV
VI = 21V to 33V
6.0
240
TJ = +25°C
VI = 26.7V to 38V
18.0
240
VI = 30V to 36V
6.0
120
Regload
Load Regulation(35)
TJ = +25°C, IO = 5mA to 1.5A
15.0
100
mV
IO = 5mA to 1A
15.0
100
IO = 250mA to 750mA
7.0
50.0
IQ
Quiescent Current
TJ = +25°C
5.2
6.0
mA
∆IQ
Quiescent Current Change IO = 5mA to 1A
0.5
mA
VI = 27.3V to 38V, IO = 500mA
0.8
VI = 27.3V to 38V, TJ = +25°C
0.8
∆VO/∆T
Output Voltage Drift(36)
IO = 5mA
-1.5
mV/°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C
10.0
µV/VO
RR
Ripple Rejection(36)
f = 120Hz, IO = 500mA,
VI = 28V to 38V
54.0
dB
VDROP
Dropout Voltage
IO = 1A, TJ = +25°C
2.0
V
rO
Output Resistance(36)
f = 1kHz
20.0
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C
250
mA
IPK
Peak Current(36)
TJ = +25°C
2.2
A


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