LM431AC データシートの表示（PDF） - Philips Electronics
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LM431AC Datasheet PDF : 16 Pages
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Philips Semiconductors
Adjustable precision shunt regulators
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
2600
2580
2560
VKA = Vref
IK = 10mA
2540
2520
2500
2480
2460
2440
2420
2400
–50
–25
Vref = 2550mV
Vref = 2495mV
Vref = 2440mV
0
25
50
75
Tamb – TEMPERATURE – (°C)
100
125
SL01170
Figure 6. Reference Input Voltage vs. Temperature
150
125
VKA = Vref
Tamb = 25°C
100
75
50
25
0
–25
–50
–75
–100
–2
–1
0
1
2
3
CATHODE VOLTAGE – (V)
SL01171
Figure 7. Cathode Current vs. Cathode Voltage
800
VKA = Vref
Tamb = 25°C
600
Imin
400
200
0
–200
–1
0
1
2
3
VKA – CATHODE VOLTAGE – (V)
SL01172
Figure 8. Cathode Current vs. Cathode Voltage
3.0
R1 = 10kΩ
R2 = ∞
2.5 IK = 10mA
2.0
1.5
1.0
0.5
0
–75 –50 –25
0
25
50
75
Tamb – TEMPERATURE – (°C)
100 125
SL01168
Figure 9. Reference Input Current vs. Temperature
90
80
VKA = 36V
Vref = 0V
70
60
50
40
30
20
10
0
–75 –50 –25
0
25
50
75
Tamb – TEMPERATURE – (°C)
100 125
SL01169
Figure 10. Off-State Cathode Current vs. Temperature
0
–0.1
VKA = 3V TO 36V
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1
–75 –50 –25
0
25
50
75
Tamb – TEMPERATURE – (°C)
100 125
SL01173
Figure 11. Ratio of Delta Reference Voltage to
Delta Cathode Voltage over Temperature
1997 Feb 25
6
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