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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.2% SOT23-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 85°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 TL431IDBVRE4 is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a cathode voltage range of 2.5 V to 36 V, providing an adjustable output reference. The device features an initial accuracy of ±2.2% and a temperature coefficient of 92 ppm/°C. Maximum cathode current is 100 mA with a minimum operating current of 600 µA. It supports an extended industrial temperature range from -40°C to +125°C. The component is housed in a SOT-23-5 surface-mount package.
Feature Summary
- Adjustable precision shunt regulation with wide operational voltage range
- High thermal stability across extended industrial temperature conditions
- Compact surface-mount packaging for space-constrained designs
Applications
- Precision voltage references in power supply circuits
- On-line compensation for operational amplifier circuits
- Programmable output control in switching regulators
Procurement Notes
Verify the E4 suffix indicates lead-free composition compliant with RoHS standards. Confirm the SOT-23-5 package marking matches official datasheet specifications. Ensure the ±2.2% accuracy grade meets circuit requirements. Check for obsolescence status as this specific variant may be superseded by non-E4 versions.
Selection Notes
Select this part when high-temperature operation up to 125°C is required alongside standard 36V shunt regulation. Compare against TL431IDBVR for identical electrical performance without the environmental suffix. Consider TL431A variants if tighter ±1% accuracy is necessary. Evaluate thermal management needs given the small SOT-23-5 footprint.
Part Context
This component belongs to the TL431 family of adjustable shunt regulators, widely used for voltage referencing and error amplification. It serves as a low-cost alternative to Zener diodes with superior temperature stability. The family includes various accuracy grades and package options to suit diverse industrial and consumer electronics applications.
Replacement Considerations
TL431IDBVR is a direct functional substitute with identical electrical characteristics. Verify that the absence of the E4 suffix does not impact compliance requirements for your specific application environment.
