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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1.5% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：6 V
- Current - Output：15 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The TLV431CLPR is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within an input voltage range of 1.24 V to 6 V, providing an adjustable output voltage across the same span. The device features an initial accuracy of ±1.5% and a temperature coefficient of ±138 ppm/°C. It supports a maximum cathode current of 15 mA and functions within a temperature range of -40°C to +125°C. Packaged in a TO-92-3 through-hole format, it serves as a high-precision reference for low-voltage applications.
Feature Summary
- Adjustable output voltage capability spanning from 1.24 V to 6 V
- High precision with ±1.5% initial accuracy specification
- Low minimum operating current requirement of 80 µA
- Wide industrial temperature range operation up to 125°C
Applications
- Precision voltage references in low-voltage circuits
- Programmable linear power supplies
- Battery-operated equipment requiring stable references
- Feedback control loops in switching regulators
Procurement Notes
Verify that the specific part number matches the required accuracy grade and package type. Confirm RoHS compliance status and check for any product discontinuance notifications or lifecycle changes. Ensure the supplier provides valid traceability documentation. Cross-reference datasheet specifications against application requirements before finalizing procurement orders.
Selection Notes
Select this component when low-voltage operation between 1.24 V and 6 V is required. Consider the ±1.5% accuracy and ±138 ppm/°C temperature coefficient for thermal stability needs. Evaluate the 15 mA cathode current limit against load requirements. Compare against higher voltage alternatives if system inputs exceed 6 V.
Part Context
This device belongs to the TLV431 family of low-voltage shunt regulators. It offers improved performance over standard TL431 devices regarding minimum operating current and low-voltage functionality. The family includes variants with different accuracy grades and package options to suit various design constraints.
Replacement Considerations
TLV431BCLPR offers tighter accuracy at ±0.5%. TLV431AILPRE3 provides ±1% accuracy but is marked as inactive. TLV431AIDBZR is a surface-mount alternative with similar electrical characteristics.
