參數(shù)資料
型號： L7800
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)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(shù)： 10/24頁
文件大?。?/td> 362K
代理商： L7800
* Load and line regulation are specified at constant junction temperature. Changes in V
o
due to heating effects must be taken
into account separately. Pulce testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS FOR L7808C
(refer to the test circuits, T
j
= 0 to 125
o
C,
V
i
= 14V, I
o
= 500 mA, C
i
= 0.33
μ
F, C
o
= 0.1
μ
F unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
o
V
o
Output Voltage
Output Voltage
T
j
= 25
o
C
I
o
= 5 mA to 1 A
V
i
= 10.5 to 25 V
7.7
7.6
8
8
8.3
8.4
V
V
P
o
≤
15 W
V
o
*
Line Regulation
V
i
= 10.5 to 25 V
V
i
= 11 to 17 V
I
o
= 5 to 1500 mA
I
o
= 250 to 750 mA
T
j
= 25
o
C
I
o
= 5 to 1000 mA
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
160
80
160
80
mV
mV
mV
mV
V
o
*
Load Regulation
I
d
I
d
I
d
V
o
T
eN
SVR
Quiescent Current
Quiescent Current Change
8
mA
mA
0.5
Quiescent Current Change
Output Voltage Drift
V
i
= 10.5 to 25 V
I
o
= 5 mA
1
mA
mV/
o
C
-0.8
Output Noise Voltage
Supply Voltage Rejection
B = 10Hz to 100KHz
V
i
= 11.5 to 21.5 V
I
o
= 1 A
f = 1 KHz
T
j
= 25
o
C
f = 120 Hz
52
μ
V
dB
56
V
d
R
o
Dropout Voltage
Output Resistance
T
j
= 25
o
C
2
V
16
m
mA
A
I
sc
I
scp
Short Circuit Current
Short Circuit Peak Current
V
i
= 35 V
T
j
= 25
o
C
T
j
= 25
o
C
450
2.2
ELECTRICAL CHARACTERISTICS FOR L7806C
(refer to the test circuits, T
j
= 0 to 125
o
C,
V
i
= 11V, I
o
= 500 mA, C
i
= 0.33
μ
F, C
o
= 0.1
μ
F unless otherwise specified)
Symbol
V
o
Parameter
Test Conditions
Min.
5.75
Typ.
6
Max.
6.25
Unit
V
Output Voltage
T
j
= 25
o
C
V
o
Output Voltage
I
o
= 5 mA to 1 A
V
i
= 8 to 21 V
V
i
= 8 to 25 V
V
i
= 9 to 13 V
P
o
≤
15 W
5.7
6
6.3
V
V
o
*
Line Regulation
T
j
= 25
o
C
T
j
= 25
o
C
120
60
mV
mV
V
o
*
Load Regulation
I
o
= 5 to 1500 mA
I
o
= 250 to 750 mA
T
j
= 25
o
C
T
j
= 25
o
C
T
j
= 25
o
C
120
60
8
mV
mV
mA
I
d
I
d
I
d
V
o
T
eN
Quiescent Current
Quiescent Current Change
Quiescent Current Change
I
o
= 5 to 1000 mA
V
i
= 8 to 25 V
0.5
1.3
mA
mA
mV/
o
C
Output Voltage Drift
I
o
= 5 mA
-0.8
Output Noise Voltage
B = 10Hz to 100KHz
T
j
= 25
o
C
f = 120 Hz
T
j
= 25
o
C
45
μ
V
dB
V
m
mA
SVR
V
d
Supply Voltage Rejection
Dropout Voltage
V
i
= 9 to 19 V
I
o
= 1 A
59
2
R
o
I
sc
Output Resistance
Short Circuit Current
f = 1 KHz
V
i
= 35 V
T
j
= 25
o
C
19
550
T
j
= 25
o
C
I
scp
Short Circuit Peak Current
2.2
A
L7800 SERIES
10/24
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