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LM7805 Datasheet(PDF) 14 Page - Fairchild Semiconductor

Part # LM7805
Description  3-Terminal 1A Positive Voltage Regulator
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM7805 Datasheet(HTML) 14 Page - Fairchild Semiconductor

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MC78XX/LM78XX/MC78XXA
14
Electrical Characteristics (MC7809A)
(Refer to the test circuits. 0
°C < TJ < 125°C, Io =1A, V I = 15V, C I=0.33µF, C O=0.1µF, unless otherwise specified)
Note:
1. 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.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
VO
TJ =+25°C
8.82
9.0
9.18
V
IO = 5mA to 1A, PO
≤15W
VI = 11.2V to 24V
8.65
9.0
9.35
Line Regulation (Note1)
Regline
VI= 11.7V to 25V
IO = 500mA
-6
90
mV
VI= 12.5V to 19V
-
4
45
TJ =+25°C
VI= 11.5V to 24V
-
6
90
VI= 12.5V to 19V
-
2
45
Load Regulation (Note1)
Regload
TJ =+25°C
IO = 5mA to 1.0A
-
12
100
mV
IO = 5mA to 1.0A
-
12
100
IO = 250mA to 750mA
-
5
50
Quiescent Current
IQ
TJ =+25 °C-
5.0
6.0
mA
Quiescent Current Change
∆IQ
VI = 11.7V to 25V, TJ=+25 °C-
-
0.8
mA
VI = 12V to 25V, IO = 500mA
-
-
0.8
IO = 5mA to 1.0A
-
-
0.5
Output Voltage Drift
∆V/∆TIO = 5mA
-
-1.0
-
mV/ °C
Output Noise Voltage
VN
f = 10Hz to 100KHz
TA =+25 °C
-10
-
µV/Vo
Ripple Rejection
RR
f = 120Hz, IO = 500mA
VI = 12V to 22V
-62
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ =+25 °C-
2.0
-
V
Output Resistance
rO
f = 1KHz
-
17
-
m
Short Circuit Current
ISC
VI= 35V, TA =+25 °C
-
250
-
mA
Peak Current
IPK
TJ=+25°C-
2.2
-
A


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