TL431(1999) 데이터 시트보기 (PDF) - Microsemi Corporation
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TL431 Datasheet PDF : 12 Pages
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PRODUCT DATABOOK 1996/1997
TL431/TL431A/TL431B
PRECISION PROGRAMMABLE REFERENCES
PRODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 1. — REFERENCE VOLTAGE
vs. FREE-AIR TEMPERATURE
2.60
2.58
2.56
2.54
VREF = VKA
IK = 10mA
TL431/A
VREF = 2550mV
2.52
TL431B
2.50
2.48
TL431/A
2.46
VREF = 2495mV
2.44
TL431/A
2.42
VREF = 2440mV
2.4
-50 -25
0
25
50
75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 2. — REFERENCE CURRENT
vs. FREE-AIR TEMPERATURE
5
IK = 10mA
R1 = ¥
4
IK = 10mA
3
TL431/A
2
TL431B
1
0
-50 -25
0
25
50
75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 3. — CATHODE CURRENT vs. CATHODE VOLTAGE
150
125
VKA = VREF
TA = 25°C
100
75
50
25
0
TL431/A
-25
-50
TL431B
-75
-100
-2
-1
0
1
2
3
(VKA) Cathode Voltage - (V)
FIGURE 4. — CATHODE CURRENT vs. CATHODE VOLTAGE
800
VKA = VREF
TA = 25°C
600
IMIN
400
200
0
-200
-1
0
1
2
3
(VKA) Cathode Voltage - (V)
Copyright © 1999
Rev. 1.3 9/99
5
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