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LM7805 Datasheet(PDF) 19 Page - Fairchild Semiconductor

No. de pieza LM7805
Descripción Electrónicos  3-Terminal 1A Positive Voltage Regulator
Download  28 Pages
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM7805 Datasheet(HTML) 19 Page - Fairchild Semiconductor

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MC78XX/LM78XX/MC78XXA
19
Electrical Characteristics (MC7824A)
(Refer to the test circuits. 0
°C < TJ < 125°C, Io =1A, V I = 33V, 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
23.5
24
24.5
V
IO = 5mA to 1A, PO
≤15W
VI = 27.3V to 38V
23
24
25
Line Regulation (Note1)
Regline
VI= 27V to 38V
IO = 500mA
-
18
240
mV
VI= 21V to 33V
-
6
240
TJ =+25 °C
VI= 26.7V to 38V
-
18
240
VI= 30V to 36V
-
6
120
Load Regulation (Note1)
Regload
TJ =+25 °C
IO = 5mA to 1.5A
-
15
100
mV
IO = 5mA to 1.0A
-
15
100
IO = 250mA to 750mA
-
7
50
Quiescent Current
IQ
TJ =+25 °C-
5.2
6.0
mA
Quiescent Current Change
∆IQ
VI = 27.3V to 38V, TJ =+25 °C-
-
0.8
mA
VI = 27.3V to 38V, IO = 500mA
-
-
0.8
IO = 5mA to 1.0A
-
-
0.5
Output Voltage Drift
∆V/∆T
IO = 5mA
-
-1.5
-
mV/ °C
Output Noise Voltage
VN
f = 10Hz to 100KHz
TA = 25 °C
-10
-
µV/Vo
Ripple Rejection
RR
f = 120Hz, IO = 500mA
VI = 28V to 38V
-54
-
dB
Dropout Voltage
VDrop
IO = 1A, TJ =+25 °C-
2.0
-
V
Output Resistance
rO
f = 1KHz
-
20
-
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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