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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.21% SOT23-5
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The TL431IL5T is an adjustable shunt voltage reference manufactured by STMicroelectronics. It provides a guaranteed temperature stability over the entire operating temperature range of -40°C to +105°C. The output voltage can be set to any value between 2.5V and 36V using two external resistors. The device operates with a wide current range from 1mA to 100mA, featuring a typical dynamic impedance of 0.22Ω. It is housed in a SOT-23-5 surface-mount package.
Feature Summary
- Adjustable output voltage capability ranging from 2.5V to 36V via external resistor divider
- Guaranteed temperature stability across the full industrial operating range
- Wide cathode current operation from 1mA to 100mA with low dynamic impedance
Applications
- Precision voltage regulation in switching power supplies
- Portable equipment requiring stable reference voltages
- Battery-powered systems needing accurate voltage monitoring
Procurement Notes
Verify the specific suffix 'IL5T' against official STMicroelectronics documentation to confirm the exact tolerance grade and automotive qualification status. Ensure the ordering information matches the required temperature range and package type for your design specifications before procurement.
Selection Notes
Select this component when a compact SOT-23-5 package is required for space-constrained designs. It serves as a drop-in replacement for industry-standard TL431 devices where industrial temperature performance (-40°C to +105°C) is necessary. Verify that the required sink current falls within the 1mA to 100mA operational window.
Part Context
The TL431 series represents a widely used family of programmable shunt voltage references. The IL5T variant specifically denotes the SOT-23-5 surface-mount package configuration. This part belongs to the broader TL431 product line known for its reliability and precision in analog circuit applications.
Replacement Considerations
Compatible alternatives include the TS431 for lower voltage requirements or other manufacturers' TL431 equivalents. Verify pinout compatibility and electrical parameters such as dynamic impedance and reference voltage accuracy before substitution.
