TL431ACDT STMicroelectronics, TL431ACDT Datasheet - Page 9

• Manufacturer Part Number: TL431ACDT
• Description: IC VREF PROG 2.5V-36V 8-SOIC
• Manufacturer: STMicroelectronics

Specifications of TL431ACDT

• Reference Type: Shunt, Adjustable
• Voltage - Output: 2.495 ~ 36 V
• Tolerance: ±1%
• 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: 1 %
• 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
• Fixed / Adjust / Prog: Adjust
• Output Voltage (max): 2.495 to 36V
• Reference Voltage Accuracy (max): 1
• Input Voltage (max): 37V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SO N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Current - Quiescent: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-3034-2

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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