TL431IZT STMicroelectronics, TL431IZT Datasheet - Page 8
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TL431IZT
Manufacturer Part Number
TL431IZT
Description
IC VREF PROGRAMMABLE TO-92
Manufacturer
STMicroelectronics
Specifications of TL431IZT
Reference Type
Shunt, Adjustable
Voltage - Output
2.495 ~ 36 V
Tolerance
±2%
Temperature Coefficient
100ppm/°C
Number Of Channels
1
Current - Cathode
500µA
Current - Output
100mA
Operating Temperature
-40°C ~ 105°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Product
Voltage References
Topology
Shunt References
Output Voltage
2.495 V to 36 V
Initial Accuracy
2 %
Average Temperature Coefficient (typ)
100 PPM / C
Series Vref - Input Voltage (max)
37 V
Shunt Current (max)
100 mA
Maximum Operating Temperature
+ 105 C
Input Voltage
2.52 V
Minimum Operating Temperature
- 40 C
Mounting Style
Through Hole
Shunt Current (min)
1 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-2228-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Electrical characteristics
8/16
Figure 10. Reference voltage vs. temperature
Figure 12. Zoom on reference voltage vs.
Figure 14. Off-state cathode current vs.
2.54
2.52
2.50
2.48
2.46
2.44
0.4
0.3
0.2
0.1
0.0
-40
-1
-2
-40
2
1
0
-1
cathode current
temperature
-20
-20
0
0
0
Cathode voltage V
20
Temperature (
20
Temperature (
T
AMB
= +25 ° C
40
1
40
KA
60
60
°
°
C)
(V)
C)
V
V
KA
REF
2
80
80
V
I
K
= 36 V
= 0 V
KA
= 10 mA
= V
100
100
REF
Doc ID 4467 Rev 7
3
120
120
Figure 11. Reference voltage vs. cathode
Figure 13. Reference current vs. temperature
Figure 15. Ratio of change in V
2.0
1.5
1.0
0.5
0.0
100
-0.5
-1.0
-1.5
-2.0
-25
-50
0.0
75
50
25
-40
0
-40
-20
current
V
-1
-20
KA
vs. temperature
0
0
Cathode voltage V
0
20
20
Temperature (
Temperature °C
T
40
AMB
40
=+25 ° C
1
60
60
°
KA
C)
(V)
ref
I
80
K
80
I
R
R2= +
to change in
K
= 10 mA
=10 mA
1
2
=10k
100
100
∝
Ω
TL431
120
120
3