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參數(shù)資料
| 型號： | L7818ACV |
| 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)： | 5/34頁 |
| 文件大小： | 1801K |
| 代理商： | L7818ACV |
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L7800 SERIES
5/34
Figure 7: Ripple Rejection
Table 4: Electrical Characteristics Of L7805
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 10V,
I
O
= 500 mA, C
I
= 0.33 μF, C
O
= 0.1 μF unless otherwise specified).
Symbol
Parameter
Test Conditions
(*) 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.
Min.
Typ.
Max.
Unit
V
O
V
O
Output Voltage
Output Voltage
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= 8 to 20 V
V
I
= 7 to 25 V
V
I
= 8 to 12 V
I
O
= 5 mA to 1.5 A
I
O
= 250 to 750 mA
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= 8 to 25 V
I
O
= 5 mA
B =10Hz to 100KHz
V
I
= 8 to 18 V
I
O
= 1 A
f = 1 KHz
V
I
= 35 V
T
J
= 25°C
4.8
4.65
5
5
5.2
5.35
V
V
P
O
≤
15W
V
O
(*)
Line Regulation
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
3
1
50
25
100
25
6
0.5
0.8
mV
V
O
(*)
Load Regulation
mV
I
d
I
d
Quiescent Current
Quiescent Current Change
mA
mA
V
O
/
T Output Voltage Drift
eN
Output Noise Voltage
SVR
Supply Voltage Rejection
V
d
Dropout Voltage
R
O
Output Resistance
I
sc
Short Circuit Current
I
scp
Short Circuit Peak Current
0.6
mV/°C
μ
V/V
O
dB
V
m
A
A
T
J
= 25°C
40
f = 120Hz
68
T
J
= 25°C
2
17
0.75
2.2
2.5
T
J
= 25°C
1.2
3.3
1.3
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