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參數(shù)資料
| 型號： | LM123 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3-Amp, 5-Volt Positive Regulator |
| 中文描述： | 3安培，5伏正穩(wěn)壓器 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 203K |
| 代理商： | LM123 |
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)
Input Voltage
Power Dissipation
20V
Internally Limited
Operating Junction Temperature Range
LM123
LM323A
LM323
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
ESD Tolerance (Note 5)
55C to +150C
40C to +125C
0C to +125C
65C to +150C
300C
2000V
LM123 Electrical Characteristics
(Note 2)
Parameter
Conditions
LM123
Typ
5
Units
Min
4.7
Max
5.3
Output Voltage
T
j
= 25C
V
IN
= 7.5V, I
OUT
= 0A
7.5V
≤
V
IN
≤
15V
0A
≤
I
OUT
≤
3A, P
≤
30W
T
j
= 25C
7.5V
≤
V
IN
≤
15V
T
j
= 25C, V
IN
= 7.5V,
0A
≤
I
OUT
≤
3A
7.5V
≤
V
IN
≤
15V,
0A
≤
I
OUT
≤
3A
T
j
= 25C
10 Hz
≤
f
≤
100 kHz
T
j
= 25C
V
IN
= 15V
V
IN
= 7.5V
V
4.6
5.4
V
Line Regulation (Note 4)
5
25
mV
Load Regulation (Note 4)
25
100
mV
Quiescent Current
12
20
mA
Output Noise Voltage
40
μVrms
Short Circuit Current Limit
3
4
4.5
5
35
A
A
Long Term Stability
Thermal Resistance Junction
to Case (Note 3)
mV
2
C/W
LM323A/LM323 Electrical Characteristics
(Note 2)
Parameter
Conditions
LM323A
Typ
5
LM323
Typ
5
Units
Min
4.95
Max
5.05
Min
4.8
Max
5.2
Output Voltage
T
j
= 25C
V
IN
= 7.5V, I
OUT
= 0A
7.5V
≤
V
IN
≤
15V
0A
≤
I
OUT
≤
3A, P
≤
30W
T
j
= 25C
7.5V
≤
V
IN
≤
15V
T
j
= 25C, V
IN
= 7.5V,
0A
≤
I
OUT
≤
3A
7.5V
≤
V
IN
≤
15V,
0A
≤
I
OUT
≤
3A
T
j
= 25C
10 Hz
≤
f
≤
100 kHz
T
j
= 25C
V
IN
= 15V
V
IN
= 7.5V
V
4.85
5.15
4.75
5.25
V
Line Regulation (Note 4)
5
10
5
25
mV
Load Regulation (Note 4)
25
50
25
100
mV
Quiescent Current
12
20
12
20
mA
Output Noise Voltage
40
40
μVrms
Short Circuit Current Limit
3
4
4.5
6
35
3
4
4.5
5
35
A
A
Long Term Stability
Thermal Resistance Junction
to Case (Note 3)
mV
2
2
C/W
www.national.com
2
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