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 5. — OFF-STATE CATHODE CURRENT
vs. FREE-AIR TEMPERATURE
2.5
VKA = 36V
VREF = 0
2
TL431/A
& TL431B
1.5
1
0.5
0
-50 -25
0
25
50
75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 6. — RATIO OF DELTA REFERENCE VOLTAGE TO DELTA
CATHODE VOLTAGE vs. FREE-AIR TEMPERATURE
-0.85
VKA = 3V to 36V
-0.95
-1.05
-1.15
-1.25
-1.35
-1.45
-50
-25
0
25
50
75 100 125
(TA) Ambient Temperature - (°C)
FIGURE 7. — EQUIVALENT INPUT NOISE VOLTAGE
vs. FREQUENCY
260
240
IO = 10mA
TA = 25°C
220
200
180
160
140
120
100
10
100
1k
10k
100k
(f) Frequency - (Hz)
6
Copyright © 1999
Rev. 1.3 9/99
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