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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.
TL431IL5T 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 #
497-11300-1-ND
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DigiKey | IC VREF SHUNT ADJ 2.21% SOT23-5 Min Qty: 1 Lead time: 10 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) | Temporarily Out of Stock |
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$0.1419 / $0.3800 | Buy Now |
DISTI #
511-TL431IL5T
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Mouser Electronics | Voltage References Prog Voltage Ref 2.5 to 36V .22 Ohm RoHS: Compliant | 0 |
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$0.1410 / $0.1470 | Order Now |
DISTI #
TL431IL5T
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TME | IC: voltage reference source, 2.495V, ±2%, SOT23-5, reel,tape Min Qty: 5 | 0 |
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$0.0830 / $0.1680 | RFQ |
DISTI #
TL431IL5T
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Avnet Silica | VRef Adjustable 2495V to 36V 100mA 5Pin SOT23 TR (Alt: TL431IL5T) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days | Silica - 60000 |
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Buy Now | |
DISTI #
TL431IL5T
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EBV Elektronik | VRef Adjustable 2495V to 36V 100mA 5Pin SOT23 TR (Alt: TL431IL5T) RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 11 Weeks, 0 Days | EBV - 9000 |
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Buy Now | |
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LCSC | 2.495V36V 100mA Adjustable SOT-23-5L Voltage Reference ROHS | 2685 |
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$0.1188 / $0.1634 | Buy Now |
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TL431IL5T
STMicroelectronics
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Datasheet
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TL431IL5T
STMicroelectronics
Adjustable micropower shunt voltage reference
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Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | STMICROELECTRONICS | |
Package Description | SOT-23, 5 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-G5 | |
JESD-609 Code | e4 | |
Length | 2.925 mm | |
Moisture Sensitivity Level | 1 | |
Number of Functions | 1 | |
Number of Outputs | 1 | |
Number of Terminals | 5 | |
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 | LSSOP | |
Package Equivalence Code | TSOP5/6,.11,37 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | |
Peak Reflow Temperature (Cel) | 260 | |
Qualification Status | Not Qualified | |
Seated Height-Max | 1.45 mm | |
Surface Mount | YES | |
Technology | BIPOLAR | |
Temp Coef of Voltage-Max | 82.924 ppm/°C | |
Temperature Grade | INDUSTRIAL | |
Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
Terminal Form | GULL WING | |
Terminal Pitch | 0.95 mm | |
Terminal Position | DUAL | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Trim/Adjustable Output | YES | |
Width | 1.625 mm |
The TL431IL5T can operate from -40°C to 150°C, but the accuracy and stability of the voltage reference may degrade at extreme temperatures.
To ensure stability and accuracy, it's essential to follow proper PCB layout and design guidelines, such as keeping the input and output capacitors close to the device, using a low-ESR capacitor for the output, and minimizing noise and interference on the input and output pins.
While the TL431IL5T can be used as a voltage regulator, it's not recommended as it's primarily designed as a voltage reference. The device is not optimized for high current output, and its output impedance is relatively high, which may affect its ability to regulate voltage accurately.
The minimum input voltage required for the TL431IL5T to operate is 2.5V, but it's recommended to use a minimum input voltage of 4V to ensure accurate and stable operation.
The output voltage of the TL431IL5T can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal voltage reference (2.5V), R1 is the resistance between the output and the cathode, and R2 is the resistance between the cathode and the anode.