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LM317 データシートの表示(PDF) - Motorola => Freescale

部品番号コンポーネント説明メーカー
LM317 Three-terminal adjustible output positive voltage regulator Motorola
Motorola => Freescale Motorola
LM317 Datasheet PDF : 10 Pages
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LM317
Figure 5. Load Regulation
0.4
0.2
0
–0.2
–0.4
–0.6
Vin = 15 V
Vout = 10 V
–0.8
IL = 0.5 A
IL = 1.5 A
–1.0
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 6. Current Limit
4.0
3.0
TJ = 25°C
2.0
150°C
1.0
55°C
0
0
10
20
30
40
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
Figure 7. Adjustment Pin Current
70
65
60
55
50
45
40
35
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 8. Dropout Voltage
3.0
Vout = 100 mV
2.5
IL = 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
TJ, JUNCTION TEMPERATURE (°C)
Figure 9. Temperature Stability
1.26
1.25
1.24
1.23
1.22
–50 –25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 10. Minimum Operating Current
5.0
4.5
TJ = –55°C
4.0
3.5
+25°C
3.0
+150°C
2.5
2.0
1.5
1.0
0.5
0
0
10
20
30
40
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
MOTOROLA ANALOG IC DEVICE DATA
5
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