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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 (LM7806A)
Parameter
Output Voltage
Symbol
V
O
T
J
=

25
q
C
(Refer to the test circuits. 0
q
C

T
J

125
q
C, I
O
= 1A, V
I
= 11V, C
I
= 0.33
P
F, C
O
= 0.1
P
F, unless otherwise specified)
Conditions
Min
5.58
5.76
V
I
= 8.3V to 21V
V
I
= 9V to 13V
Load Regulation
(Note 22)
Regload
T
J
=

25
q
C, I
O
= 5mA to 1.5mA
I
O
= 5mA to 1mA
I
O
= 250mA to 750mA
Quiescent Current
Quiescent Current Change
I
Q
T
J
=

25
q
C
I
O
= 5mA to 1A
V
I
= 19V to 25V, I
O
= 500mA
V
I
= 8.5V to 21V, T
J
=

25
q
C
Output Voltage Drift (Note 23)
Output Noise Voltage
Ripple Rejection (Note 23)
Dropout Voltage
Output Resistance (Note 23)
Short Circuit Current
Peak Current (Note 23)
Typ
6.0
6.0
5.0
3.0
5.0
1.5
9.0
4.0
5.0
4.3
Max
6.12
V
6.24
60.0
60.0
mV
60.0
30.0
100
100
50.0
6.0
0.5
0.8
0.8
mV/
q
C
mA
mA
mV
Unit
I
O
= 5mA to 1A, P
O
d
15W, V
I
= 8.6V to 21V
Line Regulation
(Note 22)
Regline
V
I
= 8.6V to 25V, I
O
= 500mA
V
I
= 9V to 13V
T
J
=

25
q
C
'
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, I
O
= 500mA, V
I
= 9V to 19V
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
10.0
65.0
2.0
17.0
250
2.2
P
V/V
O
dB
V
m
:
mA
A
Note 22:
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 23:
These parameters, although guaranteed, are not 100% tested in production.
9
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