LM317L
5.0
IB , QUIESCENT CURRENT (mA)
4.5
RR, RIPPLE REJECTION (dB)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
20
30
40
V
in
−V
out
, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V)
T
J
= 55°C
T
J
= 25°C
T
J
= 150°C
100
90
80
70
60
50
40
30
20
10
10
100
1.0 k
10 k
100 k 1.0 M
f, FREQUENCY (Hz)
I
L
= 40 mA
V
in
= 5.0 V
±
1.0 V
PP
V
out
= 1.25 V
Figure 9. Minimum Operating Current
Figure 10. Ripple Rejection versus Frequency
1.260
IAdj, ADJUSTMENT PIN CURRENT (
μ
A)
V ref , REFERENCE VOLTAGE (V)
80
70
65
60
55
50
45
40
35
−50
−25
0
25
50
75 100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
V
in
= 6.25 V
V
out
= V
ref
I
L
= 10 mA
I
L
= 100 mA
1.250
1.240
V
in
= 4.2 V
V
out
= V
ref
I
L
= 5.0 mA
1.230
1.220
−50
−25
0
25
50
75 100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
Figure 11. Temperature Stability
Figure 12. Adjustment Pin Current
Δ
Vout , OUTPUT VOLTAGE CHANGE (%)
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
−50
NOISE VOLTAGE (
μ
V)
V
in
= 4.25 V to 41.25 V
V
out
= V
ref
I
L
= 5 mA
10
Bandwidth 100 Hz to 10 kHz
8.0
6.0
4.0
−25
0
25
50
75 100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
−50
−25
0
25
50
75 100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
Figure 13. Line Regulation
Figure 14. Output Noise
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