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Adjustable micropower shunt voltage reference
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
TL431ICT by STMicroelectronics is a Voltage Reference.
Voltage References are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
497-12012-1-ND
|
DigiKey | IC VREF SHNT ADJ 2.21% SOT323-6L Min Qty: 1 Lead time: 10 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) |
7949 In Stock |
|
$0.1442 / $0.3700 | Buy Now |
DISTI #
TL431ICT
|
Avnet Americas | LINEAR VOLTAGE REGULATORS & VREF - Tape and Reel (Alt: TL431ICT) RoHS: Compliant Min Qty: 6000 Package Multiple: 3000 Lead time: 10 Weeks, 0 Days Container: Reel | 0 |
|
$0.1174 / $0.1248 | Buy Now |
DISTI #
511-TL431ICT
|
Mouser Electronics | Voltage References 2.5V to 36V Shunt 1 to 100mA 0.22 Ohm RoHS: Compliant | 3258 |
|
$0.1390 / $0.3500 | Buy Now |
DISTI #
V36:1790_06568569
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Arrow Electronics | V-Ref Adjustable 2.495V to 36V 100mA 6-Pin SOT-323 T/R RoHS: Compliant Min Qty: 6000 Package Multiple: 3000 Lead time: 10 Weeks Date Code: 2408 | Americas - 6000 |
|
$0.1341 / $0.1493 | Buy Now |
DISTI #
V72:2272_06568569
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Arrow Electronics | V-Ref Adjustable 2.495V to 36V 100mA 6-Pin SOT-323 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 10 Weeks Date Code: 2232 Container: Cut Strips | Americas - 2098 |
|
$0.1508 / $0.2268 | Buy Now |
DISTI #
V79:2366_17778439
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Arrow Electronics | V-Ref Adjustable 2.495V to 36V 100mA 6-Pin SOT-323 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 99 Weeks Date Code: 1148 | Americas - 21 |
|
$0.0667 | Buy Now |
|
STMicroelectronics | Adjustable micropower shunt voltage reference COO: Malaysia RoHS: Compliant Min Qty: 1 | 3258 |
|
$0.1700 / $0.3400 | Buy Now |
DISTI #
89520229
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Verical | V-Ref Adjustable 2.495V to 36V 100mA 6-Pin SOT-323 T/R RoHS: Compliant Min Qty: 6000 Package Multiple: 3000 Date Code: 2408 | Americas - 6000 |
|
$0.1514 | Buy Now |
DISTI #
66329215
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Verical | V-Ref Adjustable 2.495V to 36V 100mA 6-Pin SOT-323 T/R RoHS: Compliant Min Qty: 41 Package Multiple: 1 Date Code: 2232 | Americas - 2098 |
|
$0.1465 / $0.1764 | Buy Now |
DISTI #
TL431ICT
|
TME | IC: voltage reference source, 2.495V, ±2.21%, SOT323-6L, 100mA Min Qty: 1 | 0 |
|
$0.0730 / $0.5010 | RFQ |
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TL431ICT
STMicroelectronics
Buy Now
Datasheet
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TL431ICT
STMicroelectronics
Adjustable micropower shunt voltage reference
|
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | STMICROELECTRONICS | |
Package Description | SOT-323, 6 PIN | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Factory Lead Time | 10 Weeks | |
Samacsys Manufacturer | STMicroelectronics | |
Additional Feature | ADJUSTABLE OUTPUT VOLTAGE FROM 2.5 TO 36 V | |
Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE | |
JESD-30 Code | R-PDSO-G6 | |
JESD-609 Code | e3 | |
Length | 2 mm | |
Moisture Sensitivity Level | 1 | |
Number of Functions | 1 | |
Number of Outputs | 1 | |
Number of Terminals | 6 | |
Operating Temperature-Max | 105 °C | |
Operating Temperature-Min | -40 °C | |
Output Current-Max | 0.1 A | |
Output Voltage-Max | 2.55 V | |
Output Voltage-Min | 2.44 V | |
Output Voltage-Nom | 2.495 V | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | TSSOP | |
Package Equivalence Code | TSSOP6,.08 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | |
Peak Reflow Temperature (Cel) | 260 | |
Qualification Status | Not Qualified | |
Seated Height-Max | 1.1 mm | |
Surface Mount | YES | |
Technology | BIPOLAR | |
Temp Coef of Voltage-Max | 82.924 ppm/°C | |
Temperature Grade | INDUSTRIAL | |
Terminal Finish | Matte Tin (Sn) - annealed | |
Terminal Form | GULL WING | |
Terminal Pitch | 0.65 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Trim/Adjustable Output | YES | |
Width | 1.25 mm |
The TL431ICT can operate from -40°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
To ensure stability, it's essential to decouple the TL431ICT with a capacitor (typically 10nF to 100nF) between the REF and ADJ pins, and to use a low-ESR capacitor (e.g., ceramic or film capacitor) for the output capacitor.
The TL431ICT requires a minimum output current of 1mA to maintain regulation. If the output current is less than 1mA, the device may not regulate properly.
Yes, the TL431ICT can be used as a voltage regulator, but it's essential to ensure that the output voltage is within the recommended range (2.5V to 36V) and that the device is properly decoupled and biased.
The output voltage of the TL431ICT can be calculated using the formula: Vout = Vref x (1 + R1/R2), where Vref is the internal reference voltage (2.5V), R1 is the resistor connected between the OUT and ADJ pins, and R2 is the resistor connected between the ADJ pin and ground.