L7818ABF(2004) 查看數據表（PDF） - STMicroelectronics
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L7818ABF Datasheet PDF : 21 Pages
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L7800AB/AC SERIES
ELECTRICAL CHARACTERISTICS OF L7805A (VI=10V, IO=1A, TJ = 0 to 150°C (L7805AC),
TJ = -40 to 125°C (L7805AB), unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
VO Output Voltage
VO Output Voltage
∆VO (*) Line Regulation
∆VO(*) Load Regulation
Iq Quiescent Current
TJ = 25°C
IO = 5mA to 1A
VI = 7.5 to 20V
PO ≤ 15W
VI = 7.5 to 25V IO = 500 mA
VI = 8 to 12V
VI = 8 to 12V
TJ = 25°C
VI = 7.3 to 20V TJ = 25°C
IO = 5mA to 1A
IO = 5mA to 1.5A TJ = 25°C
IO = 250 to 750mA
TJ = 25°C
∆Iq Quiescent Current Change
SVR Supply Voltage Rejection
Vd Dropout Voltage
eN Output Noise Voltage
RO
Isc
Iscp
∆VO/∆T
Output Resistance
Short Circuit Current
Short Circuit Peak Current
Output Voltage Drift
VI = 8 to 25V
IO = 500 mA
VI = 7.5 to 20V TJ = 25°C
IO = 5mA to 1A
VI = 8 to 18V
IO = 500mA
f = 120Hz
IO = 1A
TJ = 25°C
TA = 25°C B =10Hz to 100KHz
f =1KHz
VI = 35V
TJ = 25°C
TA = 25°C
4.9
5
5.1
4.8
5
5.2
7
50
10
50
2
25
7
50
25 100
30 100
8
50
4.3
6
6
0.8
0.8
0.5
68
2
10
17
0.2
2.2
-1.1
Unit
V
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
dB
V
µV/VO
mΩ
A
A
mv/°C
(*) 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 cycle is used.
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