LM317L
Figure 11. Temperature Stability
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
TJ, JUNCTION TEMPERATURE (°C)
150
Vin = 6.25 V
Vout = Vref
IL = 10 mA
IL = 100 mA
Figure 12. Adjustment Pin Current
1.250
1.240
Vin = 4.2 V
Vout = Vref
IL = 5.0 mA
1.230
1.220
–50
–25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
150
Figure 13. Line Regulation
∆
Vout , OUTPUT VOLTAGE CHANGE (%)
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
–50
–25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
150
4.0
–50
–25
Vin = 4.25 V to 41.25 V
Vout = Vref
IL = 5 mA
Figure 14. Output Noise
NOISE VOLTAGE (
µ
V)
10
Bandwidth 100 Hz to 10 kHz
8.0
6.0
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
150
∆
Vout , OUTPUT VOLTAGE
DEVIATION (V)
∆
Vout , OUTPUT VOLTAGE
DEVIATION (V)
Figure 15. Line Transient Response
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
1.0
0.5
0
0
10
20
t, TIME (µs)
Vin
30
40
Vout = 1.25 V
IL = 20 mA
TJ = 25°C
CL = 1
µF
Figure 16. Load Transient Response
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
100
50
0
0
10
20
t, TIME (µs)
IL
30
40
CL = 0.3
µF;
CAdj = 10
µF
Vin = 15 V
Vout = 10 V
INL = 50 mA
TJ = 25°C
CL = 1
µF;
CAdj = 10
µF
∆
Vin , INPUT VOLTAGE
CHANGE (V)
6
I L , LOAD
CURRENT (mA)
CL = 0
MOTOROLA ANALOG IC DEVICE DATA
ONSEMI [ ON SEMICONDUCTOR ]
