參數資料
型號: L7818C
廠商: 意法半導體
元件分類: 基準電壓源/電流源
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁數: 8/34頁
文件大?。?/td> 1801K
代理商: L7818C
L7800 SERIES
8/34
Table 9: Electrical Characteristics Of L7818
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 26V,
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.
Table 10: Electrical Characteristics Of L7820
(refer to the test circuits, T
J
= -55 to 150°C, V
I
= 28V,
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
= 22 to 33 V
V
I
= 21 to 33 V
V
I
= 24 to 30 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
= 22 to 33 V
I
O
= 5 mA
B =10Hz to 100KHz
V
I
= 22 to 32 V
I
O
= 1 A
f = 1 KHz
V
I
= 35 V
T
J
= 25°C
17.3
17.1
18
18
18.7
18.9
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
180
90
180
90
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
2.3
mV/°C
μ
V/V
O
dB
V
m
A
A
T
J
= 25°C
f = 120Hz
40
59
T
J
= 25°C
2
22
0.75
2.2
2.5
T
J
= 25°C
1.2
3.3
1.3
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
= 24 to 35 V
V
I
= 22.5 to 35 V
V
I
= 26 to 32 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
= 24 to 35 V
I
O
= 5 mA
B =10Hz to 100KHz
V
I
= 24 to 35 V
I
O
= 1 A
f = 1 KHz
V
I
= 35 V
T
J
= 25°C
19.2
19
20
20
20.8
21
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
200
100
200
100
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
2.5
mV/°C
μ
V/V
O
dB
V
m
A
A
T
J
= 25°C
f = 120Hz
40
58
T
J
= 25°C
2
24
0.75
2.2
2.5
T
J
= 25°C
1.2
3.3
1.3
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