317B Просмотр технического описания (PDF) - ON Semiconductor
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317B Datasheet PDF : 12 Pages
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LM317
100
CAdj = 10 µF
80
Without CAdj
60
40
Vin - Vout = 5 V
20
IL = 500 mA
f = 120 Hz
TJ = 25°C
0
0 5.0 10 15 20 25 30 35
Vout, OUTPUT VOLTAGE (V)
Figure 11. Ripple Rejection versus Output Voltage
120
100
80
CAdj = 10 µF
60
Without CAdj
40 Vin = 15 V
20
Vout = 10 V
f = 120 Hz
TJ = 25°C
0
0.01
0.1
1.0
10
IO, OUTPUT CURRENT (A)
Figure 12. Ripple Rejection versus
Output Current
100
80
IL = 500 mA
Vin = 15 V
Vout = 10 V
60
TJ = 25°C
40
20
CAdj = 10 µF
Without CAdj
0
10 100 1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 13. Ripple Rejection versus Frequency
101
100
10-1
10-2
10-3
10
Vin = 15 V
Vout = 10 V
IL = 500 mA
TJ = 25°C
Without CAdj
CAdj = 10 µF
100
1.0 k
10 k
100 k
f, FREQUENCY (Hz)
Figure 14. Output Impedance
1.0 M
1.5
1.0
CL = 1.0 µF;
0.5
CAdj = 10 µF
0
-0.5
-1.0
Vout = 10 V
IL = 50 mA
-1.5
TJ = 25°C
1.0
0.5
CL = 0;
Without CAdj
Vin
0
0
10
20
30
40
t, TIME (µs)
Figure 15. Line Transient Response
3.0
2.0
1.0
CL = 1.0 µF;
CAdj = 10 µF
0
-1.0
-2.0
-3.0
1.5
CL = 0;
Without CAdj
Vin = 15 V
Vout = 10 V
INL = 50 mA
TJ = 25°C
1.0
0.5
IL
0
0
10
20
30
40
t, TIME (µs)
Figure 16. Load Transient Response
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