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
(Note 2)
Operating Junction Temperature Range
LM123
LM323A
LM323
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
ESD Tolerance (Note 5)
−55˚C
−40˚C
0˚C
−65˚C
to
to
to
to
+150˚C
+125˚C
+125˚C
+150˚C
300˚C
2000V
LM123 Electrical Characteristics
Parameter
Output Voltage
Conditions
Min
T
j
= 25˚C
V
IN
= 7.5V, I
OUT
= 0A
7.5V
≤
V
IN
≤
15V
0A
≤
I
OUT
≤
3A, P
≤
30W
T
j
= 25˚C
7.5V
≤
V
IN
≤
15V
T
j
= 25˚C, V
IN
= 7.5V,
0A
≤
I
OUT
≤
3A
7.5V
≤
V
IN
≤
15V,
0A
≤
I
OUT
≤
3A
T
j
= 25˚C
10 Hz
≤
f
≤
100 kHz
T
j
= 25˚C
V
IN
= 15V
V
IN
= 7.5V
4.7
4.6
LM123
Typ
5
Max
5.3
5.4
5
25
12
40
25
100
20
Units
V
V
mV
mV
mA
µVrms
Line Regulation (Note 4)
Load Regulation (Note 4)
Quiescent Current
Output Noise Voltage
Short Circuit Current Limit
3
4
4.5
5
35
A
A
mV
˚C/W
Long Term Stability
Thermal Resistance Junction
to Case (Note 3)
2
LM323A/LM323 Electrical Characteristics
Parameter
Output Voltage
Conditions
Min
T
j
= 25˚C
V
IN
= 7.5V, I
OUT
= 0A
7.5V
≤
V
IN
≤
15V
Line Regulation (Note 4)
Load Regulation (Note 4)
Quiescent Current
Output Noise Voltage
Short Circuit Current Limit
0A
≤
I
OUT
≤
3A, P
≤
30W
T
j
= 25˚C
7.5V
≤
V
IN
≤
15V
T
j
= 25˚C, V
IN
= 7.5V,
0A
≤
I
OUT
≤
3A
7.5V
≤
V
IN
≤
15V,
0A
≤
I
OUT
≤
3A
T
j
= 25˚C
10 Hz
≤
f
≤
100 kHz
T
j
= 25˚C
V
IN
= 15V
V
IN
= 7.5V
Long Term Stability
Thermal Resistance Junction
to Case (Note 3)
(Note 2)
LM323A
Typ
5
Max
5.05
5.15
5
25
12
40
10
50
20
Min
4.8
4.75
5
25
12
40
LM323
Typ
5
Max
5.2
5.25
25
100
20
V
V
mV
mV
mA
µVrms
Units
4.95
4.85
3
4
4.5
6
35
3
4
4.5
5
35
A
A
mV
˚C/W
2
2
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