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參數(shù)資料
| 型號(hào)： | LM7800C |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Series 3-Terminal Positive Regulators |
| 中文描述： | 系列三端穩(wěn)壓器正 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大小： | 512K |
| 代理商： | LM7800C |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 5)
DC Input Voltage
All Devices except
LM7824/LM7824C
LM7824/LM7824C
Internal Power Dissipation (Note 2)
Maximum Junction Temperature
Storage Temperature Range
35V
40V
Internally Limited
150C
65C to +150C
Lead Temperature (Soldering, 10 sec.)
TO-3 Package (K)
TO-220 Package (T), TO-263
Package (S)
ESD Susceptibility (Note 3)
300C
230C
2 kV
Operating Conditions
(Note 1)
Temperature Range (T
A
) (Note 2)
LM140A, LM140
LM340A, LM340, LM7805C,
LM7812C, LM7815C, LM7808C
55C to +125C
0C to +125C
LM340A
Electrical Characteristics
I
OUT
= 1A, 55C
≤
T
J
≤
+150C (LM140A), or 0C
≤
T
J
≤
+ 125C (LM340A) unless otherwise specified (Note 4)
Output Voltage
Symbol
Input Voltage (unless otherwise noted)
Parameter
Conditions
V
O
Output Voltage
T
J
= 25C
P
D
≤
15W, 5 mA
≤
I
O
≤
1A
V
MIN
≤
V
IN
≤
V
MAX
V
O
Line Regulation
I
O
= 500 mA
V
IN
T
J
= 25C
V
IN
T
J
= 25C
Over Temperature
V
IN
V
O
Load Regulation
T
J
= 25C
5 mA
≤
I
O
≤
1.5A
250 mA
≤
I
O
≤
750 mA
Over Temperature,
5 mA
≤
I
O
≤
1A
I
Q
Quiescent Current
T
J
= 25C
Over Temperature
I
Q
Quiescent Current
5 mA
≤
I
O
≤
1A
Change
T
J
= 25C, I
O
= 1A
V
MIN
≤
V
IN
≤
V
MAX
I
O
= 500 mA
V
MIN
≤
V
IN
≤
V
MAX
V
N
Output Noise Voltage
T
A
= 25C, 10 Hz
≤
f
≤
100 kHz
Ripple Rejection
T
J
= 25C, f = 120 Hz, I
O
= 1A
or f = 120 Hz, I
O
= 500 mA,
Over Temperature,
V
MIN
≤
V
IN
≤
V
MAX
R
O
Dropout Voltage
T
J
= 25C, I
O
= 1A
Output Resistance
f = 1 kHz
Short-Circuit Current
T
J
= 25C
Peak Output Current
T
J
= 25C
Average TC of V
O
Min, T
J
= 0C, I
O
= 5 mA
V
IN
Input Voltage
T
J
= 25C
Required to Maintain
Line Regulation
5V
10V
Typ
5
12V
19V
Typ
12 12.25
15V
23V
Typ
15
Units
Min
4.9
4.8
(7.5
≤
V
IN
≤
20)
Max
5.1
5.2
Min
11.75
11.5
(14.8
≤
V
IN
≤
27)
Max
Min
14.7
14.4
(17.9
≤
V
IN
≤
30)
Max
15.3
15.6
V
V
V
12.5
10
18
22
mV
V
mV
V
mV
mV
V
mV
mV
mV
(7.5
≤
V
IN
≤
20)
3
(7.5
≤
V
IN
≤
20)
(14.8
≤
V
IN
≤
27)
4
(14.5
≤
V
IN
≤
27)
(17.9
≤
V
IN
≤
30)
4
(17.5
≤
V
IN
≤
30)
10
18
22
4
9
10
30
12
30
(8
≤
V
IN
≤
12)
10
(16
≤
V
IN
≤
22)
12
(20
≤
V
IN
≤
26)
12
25
15
25
32
19
60
35
21
75
6
6
6
mA
mA
mA
mA
V
mA
V
μV
dB
dB
6.5
0.5
0.8
6.5
0.5
0.8
6.5
0.5
0.8
(7.5
≤
V
IN
≤
20)
(14.8
≤
V
IN
≤
27)
(17.9
≤
V
IN
≤
30)
0.8
0.8
0.8
(8
≤
V
IN
≤
25)
40
68
80
68
(15
≤
V
IN
≤
30)
75
61
72
61
(17.9
≤
V
IN
≤
30)
90
60
70
60
(8
≤
V
IN
≤
18)
2.0
8
2.1
2.4
0.6
(15
≤
V
IN
≤
25)
2.0
18
1.5
2.4
1.5
(18.5
≤
V
IN
≤
28.5)
2.0
19
1.2
2.4
1.8
V
V
m
A
A
mV/C
7.5
14.5
17.5
V
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