LM317M, LM317MA
Figure 5. Load Regulation
Figure 6. Ripple Rejection
90
80
0.4
0.2
V
= 45 V
= 5.0 V
in
V
out
= 5.0 mA to 40 mA
I
L
Without C
Adj
= 10 µF
0
–0.2
–0.4
70
V
= 10 V
= 5.0 V
in
V
out
= 5.0 mA to 100 mA
I
Without C
Adj
I
= 100 mA
L
L
–0.6
–0.8
60
50
f = 120 Hz
= 10 V
= 14 V to 24 V
out
–1.0
–50
–25
0
25
50
75
100 125
C)
150
–50
–25
0
25
50
75
100 125
C)
150
T , JUNCTION TEMPERATURE (
°
T , JUNCTION TEMPERATURE (
°
J
J
Figure 7. Current Limit
Figure 8. Dropout Voltage
1.0
2.5
2.0
I
= 500 mA
L
0.80
0.60
0.40
0.20
0
I
= 100 mA
L
1.5
1.0
T
= 25°C
J
T
= 125°C
J
0.5
0
10
20
30
40
50
–50
–25
0
25
50
75
100 125
C)
150
V
–V , INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
T , JUNCTION TEMPERATURE (°
in out
J
Figure 9. Minimum Operating Current
Figure 10. Ripple Rejection versus Frequency
5.0
4.5
100
90
I
V
V
= 40 mA
L
4.0
3.5
3.0
2.5
80
70
60
50
40
30
20
10
= 5.0 V ± 1.0 V
= 1.25 V
in
PP
out
T
= 25°C
J
T
= 125°C
2.0
1.5
1.0
0.5
J
0
10
20
30
40
10
100
1.0 k
10 k
100 k 1.0 M
V
V
, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
f, FREQUENCY (Hz)
in– out
5
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
