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LM7808CT 参数 Datasheet PDF下载

LM7808CT图片预览
型号: LM7808CT
PDF下载: 下载PDF文件 查看货源
内容描述: 3端子1A正电压稳压器 [3-Terminal 1A Positive Voltage Regulator]
分类和应用: 线性稳压器IC调节器电源电路输出元件局域网
文件页数/大小: 23 页 / 336 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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LM7805 • LM7806 • LM7808 • LM7809 • LM7810 • LM7812 • LM7815 • LM7818 • LM7824 • LM7805A • LM7806A • LM7808A
•LM7809A • LM7810A • LM7812A • LM7815A • LM7818A • LM7824A
Electrical Characteristics (LM7806)
Parameter
Output Voltage
Symbol
V
O
T
J
=

25
q
C
(Refer to the test circuits.

40
q
C

T
J

125
q
C, I
O
= 500mA, V
I
= 11V, C
I
= 0.33
P
F, C
O
= 0.1
P
F, unless otherwise specified)
Conditions
Min
5.75
5.7
62.0
Typ
6.0
6.0
5.0
1.5
9.0
3.0
5.0
Max
6.25
V
6.3
120
mV
60.0
120
mV
60.0
8.0
0.5
mA
1.3
mV/
q
C
mA
Unit
5mA
d
I
O
d
1A, P
O
d
15W, V
I
= 8.0V to 21V
Line Regulation
(Note 4)
Load Regulation
(Note 4)
Quiescent Current
Quiescent Current Change
I
Q
T
J
=

25
q
C
I
O
= 5mA to 1A
V
I
= 8V to 25V
Output Voltage Drift (Note 5)
Output Noise Voltage
Ripple Rejection (Note 5)
Dropout Voltage
Output Resistance (Note 5)
Short Circuit Current
Peak Current (Note 5)
Regload
T
J
=

25
q
C
Regline
T
J
=

25
q
C
V
I
= 8V to 25V
V
I
= 9V to 13V
I
O
= 5mA to 1.5mA
I
O
= 250mA to 750mA
'
I
Q
'
V
O
/
'
T
V
N
RR
V
DROP
rO
I
SC
I
PK
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=

25
q
C
f = 120Hz, V
O
= 8V to 18V
I
O
= 1A, T
J
=

25
q
C
f = 1KHz
V
I
= 35V, T
A
=

25
q
C
T
J
=

25
q
C

0.8
45.0
73.0
2.0
19.0
250
2.2
P
V/V
O
dB
V
m
:
mA
A
Note 4:
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 is used.
Note 5:
These parameters, although guaranteed, are not 100% tested in production.
Electrical Characteristics (LM7808)
Parameter
Output Voltage
Symbol
V
O
T
J
=

25
q
C
(Refer to the test circuits.

40
q
C

T
J

125
q
C, I
O
= 500mA, V
I
= 14V, C
I
= 0.33
P
F, C
O
= 0.1
P
F, unless otherwise specified)
Conditions
Min
7.7
7.6
56.0
Typ
8.0
8.0
5.0
2.0
10.0
5.0
5.0
0.05
0.5
Max
8.3
V
8.4
160
mV
80.0
160
mV
80.0
8.0
0.5
mA
1.0
mV/
q
C
mA
Unit
5mA
d
I
O
d
1A, P
O
d
15W, V
I
= 10.5V to 23V
Line Regulation
(Note 6)
Load Regulation
(Note 6)
Quiescent Current
Quiescent Current Change
I
Q
T
J
=

25
q
C
I
O
= 5mA to 1A
V
I
= 10.5V to 25V
Output Voltage Drift (Note 7)
Output Noise Voltage
Ripple Rejection (Note 7)
Dropout Voltage
Output Resistance (Note 7)
Short Circuit Current
Peak Current (Note 7)
Regload
T
J
=

25
q
C
Regline
T
J
=

25
q
C
V
I
= 10.5V to 25V
V
I
= 11.5V to 17V
I
O
= 5mA to 1.5mA
I
O
= 250mA to 750mA
'
I
Q
'
V
O
/
'
T
V
N
RR
V
DROP
rO
I
SC
I
PK
I
O
= 5mA
f = 10Hz to 100KHz, T
A
=

25
q
C
f = 120Hz, V
O
= 11.5V to 21.5V
I
O
= 1A, T
J
=

25
q
C
f = 1KHz
V
I
= 35V, T
A
=

25
q
C
T
J
=

25
q
C

0.8
52.0
73.0
2.0
17.0
230
2.2
P
V/V
O
dB
V
m
:
mA
A
Note 6:
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 is used.
Note 7:
These parameters, although guaranteed, are not 100% tested in production.
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