TL431 View Datasheet(PDF) - Shenzhen Jin Yu Semiconductor Co., Ltd.
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TL431 Datasheet PDF : 8 Pages
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PROGRAMMABLE PRECISION REFERENCES
TYPICAL PERFORMANCE CHARACTERISTICS
TL431
2600
2580
2560
2540
REFERENCE VOLTAGE vs
FREE-AIR TEMPERATURE†
VREF=2500㎷‡
2520
2500
VREF=25㎷‡
2480
2460
2440
VREF=2440㎷‡
2420
2400
-75 -50 -25
0
25
50
75 100 125
TA-FREE-AIR TEMPERATURE-℃
† Data is applicable only within the recommended operating free-air
temperature ranges of the various devices.
‡ Data is for devices having the indicated value of RVEF at IKA=10㎷,
TA=25℃
Figure 4.
CATHODE CURRENT vs
CATHODE VOLTAGE
150
VKA=VREF
125
TA=25℃
100
75
50
25
0
-25
-50
-75
-100
-2
-1
0
1
2
3
VKA-CATHODE VOLTAGE-V
Figure 6.
5
R1=10㏀
R2=∞
IKA=10㎃
4
REFERENCE CURRENT vs
FREE-AIR TEMPERATURE †
3
2
1
0
-75 -50 -25
0
25
50
75 100 125
TA-FREE-AIR TEMPERATURE-℃
† Data is applicable only within the recommended operating free-air
temperature ranges of the various devices.
800
VKA=VERF
TA=25℃
600
400
Figure 5.
CATHODE CURRENT vs
CATHODE VOLTAGE
IMIN
200
0
-200
-1
0
1
2
3
VKA-CATHODE VOLTAGE-V
Figure 7.
５
JinYu
semiconductor
www.htsemi.com
Ｄａｔｅ：２０１１／０５
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