TL431CDT STMicroelectronics, TL431CDT Datasheet - Page 9
![IC VREF PROG 2.5V-36V 8-SOIC](/photos/1/38/13851/497-8-soic_sml.jpg)
TL431CDT
Manufacturer Part Number
TL431CDT
Description
IC VREF PROG 2.5V-36V 8-SOIC
Manufacturer
STMicroelectronics
Type
Voltage Referencer
Specifications of TL431CDT
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
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
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
+ 70 C
Input Voltage
2.52 V
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Shunt Current (min)
1 mA
Current, Supply
1.8 μA
Package Type
SO-8
Power Dissipation
960 mW
Regulator Type
Shunt
Temperature, Operating, Range
0 to +70 °C
Voltage, Input
2.495 V
Voltage, Supply
2.5 to 36 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-3036-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TL431CDT
Manufacturer:
STMicroelectronics
Quantity:
44 726
Part Number:
TL431CDT
Manufacturer:
ST
Quantity:
20 000
TL431
Figure 11. Reference voltage vs. temperature
Figure 13. Zoom on reference voltage vs.
Figure 15. 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
-40
cathode current
temperature
-20
-20
0
0
20
Temperature (
20
Temperature (
40
40
60
60
°
°
C)
C)
V
V
KA
REF
80
80
V
I
K
= 36 V
= 0 V
KA
= 10 mA
= V
100
100
REF
Doc ID 4467 Rev 8
120
120
Figure 12. Reference voltage vs. cathode
Figure 14. Reference current vs. temperature
Figure 16. Ratio of change in V
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0.0
-40
-40
-20
current
V
-20
KA
vs. temperature
0
0
20
20
Temperature (
Temperature °C
Electrical characteristics
40
40
60
60
°
C)
ref
I
80
K
80
I
R
R2= +
to change in
K
= 10 mA
=10 mA
1
=10k
100
100
∝
Ω
120
120
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