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參數(shù)資料
| 型號： | L7808AC |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | PRECISION 1A REGULATORS |
| 中文描述： | 精密1A條調(diào)節(jié)器 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 118K |
| 代理商： | L7808AC |
L7800AB/AC SERIES
7/18
ELECTRICAL CHARACTERISTICS OF L7808A
(V
I
=14V, I
O
=1A, T
J
= 0 to 150
°
C (L7808AC),
T
J
= -40 to 125
°
C (L7808AB), unless otherwise specified.)
(*) Load and Line Regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
V
O
Output Voltage
Output Voltage
T
J
= 25
°
C
I
O
= 5mA to 1A
V
I
=10.6 to 23V
V
I
= 10.6 to 25V
V
I
= 11 to 17V
V
I
= 11 to 17V
V
I
= 10.4 to 23V
I
O
= 5mA to 1A
I
O
= 5mA to 1.5A
I
O
= 250 to 750mA
T
J
= 25
°
C
7.84
7.7
8
8
8.16
8.3
V
V
P
O
≤
15W
V
O
(*)
Line Regulation
I
O
= 500 mA
12
15
5
12
25
80
80
40
80
100
mV
mV
mV
mV
mV
T
J
= 25
°
C
T
J
= 25
°
C
V
O
(*)
Load Regulation
T
J
= 25
°
C
30
10
4.3
100
50
6
6
0.8
0.8
0.5
V
V
I
q
Quiescent Current
mA
mA
mA
mA
mA
I
q
Quiescent Current Change
V
I
= 11 to 25V
V
I
= 10.6 to 23V
I
O
= 5mA to 1A
V
I
= 11.5 to 21.5V
I
O
= 500mA
I
O
= 1A
T
A
= 25
°
C
f =1KHz
V
I
= 35V
T
J
= 25
°
C
I
O
= 500 mA
T
J
= 25
°
C
SVR
Supply Voltage Rejection
f = 120Hz
62
dB
V
d
eN
R
O
I
sc
I
scp
Dropout Voltage
Output Noise Voltage
Output Resistance
Short Circuit Current
T
J
= 25
°
C
2
V
B =10Hz to 100KHz
10
18
0.2
μ
V/V
O
m
A
T
A
= 25
°
C
Short Circuit Peak Current
V
O
/
T Output Voltage Drift
2.2
-0.8
A
mV/
°
C
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