TL431 / TL431A / TL431B
®
Precision programmable References
TM
PRODUCTION DATA SHEET
CHARACTERISTIC CURVES
-0.85
2.5
2
VKA = 36V
VREF= 0
TL431/A
& TL431B
VKA = 3V to 36V
-0.95
-1.05
-1.15
1.5
1
-1.25
-1.35
-1.45
0.5
0
-50
-25
0
25
50
75
100
125
-50
-25
0
25
50
75
100
125
(TA ) Ambient Temperature - (°C)
(TA) Ambient Temperature - (°C)
Figure 6 – Ratio of Delta Reference Voltage to Delta Cathode
Voltage vs. Free-Air Temperature
Figure 5 – Off-State Cathode Current vs Free-Air Temperature
260
IO = 10mA
240
T = 25 °C
A
220
200
180
160
140
120
100
1k
10
100
10k
100k
(f) Frequency - (Hz)
Figure 7 – Equivalent Input Noise Voltage vs. Frequency
Copyright © 1999
Rev. 1.4, 2006-09-26
Microsemi
Page 6
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
MICROSEMI [ Microsemi ]
