TL431_06 Datasheet, PDF (6/11 Pages) ON Semiconductor – Programmable Precision References

TL431 / TL431A / TL431B
TM
®
Precision programmable References
PRODUCTION DATA SHEET
2.5
V_KA = 36V
V_REF= 0
2
1.5
1
CHARACTERISTIC CURVES
-0.85
TL431/A
& TL431B
-0.95
-1.05
-1.15
-1.25
V_KA = 3V to 36V
0.5
-1.35
0
-50 -25
0
25
50
75 100 125
(T_A ) Ambient Temperature - (°C)
Figure 5 – Off-State Cathode Current vs Free-Air Temperature
-1.45
-50 -25
0
25
50
75 100 125
(T_A ) Ambient Temperature - (°C)
Figure 6 – Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs. Free-Air Temperature
260
240
I_O = 10mA
T_A = 25 °C
220
200
180
160
140
120
100
10
100
1k
10k
100k
(f) Frequency - (Hz)
Figure 7 – Equivalent Input Noise Voltage vs. Frequency
Copyright © 1999
Rev. 1.4, 2006-09-26
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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