LM317, NCV317
4.0
ΔV
out, OUTPUT VOLTAGE CHANGE (%)
0.4
I out , OUTPUT CURRENT (A)
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
−50
−25
0
25
50
75
100
T
J
, JUNCTION TEMPERATURE (°C)
125
150
0
0
10
20
30
V
in
−V
out
, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
40
V
in
= 15 V
V
out
= 10 V
I
L
= 1.5 A
I
L
= 0.5 A
3.0
T
J
= 25°C
2.0
150°C
1.0
−55°C
Figure 7. Load Regulation
Figure 8. Current Limit
3.0
I Adj, ADJUSTMENT PIN CURRENT (
μ
A)
V in−Vout, INPUT−OUTPUT VOLTAGE
DIFFERENTIAL (Vdc)
70
65
60
55
50
45
40
35
−50
−25
0
25
50
75
100
125
150
DV
out
= 100 mV
2.5
I
L
= 1.5 A
1.0 A
2.0
500 mA
1.5
200 mA
20 mA
1.0
−50
−25
0
25
50
75
100
125
150
T
J
, JUNCTION TEMPERATURE (°C)
T
J
, JUNCTION TEMPERATURE (°C)
Figure 9. Adjustment Pin Current
Figure 10. Dropout Voltage
1.26
Vref, REFERENCE VOLTAGE (V)
IB, QUIESCENT CURRENT (mA)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
T
J
= −55°C
+25°C
+150°C
1.25
1.24
1.23
1.22
−50
−25
0
25
50
75 100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
0
10
20
30
40
V
in
−V
out
, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
Figure 11. Temperature Stability
Figure 12. Minimum Operating Current
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