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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 V
- Current - Output：70 mA
- Operating Temperature：-40°C ~ 125°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 TLVH431AQLPRE3 is a discontinued low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It functions as a three-terminal voltage reference with an output range of 1.24 V to 18 V. The device features an initial accuracy of ±1% and operates within a temperature range of -40°C to +125°C. Key electrical specifications include a maximum input voltage of 20 V, a maximum cathode current of 80 mA, and a minimum operating current of 80 µA. It utilizes a TO-92-3 through-hole package.
Feature Summary
- Adjustable output voltage capability via external resistor divider
- High precision with guaranteed temperature stability over the full operating range
- Low operating current suitable for power-constrained designs
Applications
- Battery chargers
- Switch mode power supplies
- Data acquisition systems
Procurement Notes
This component is officially marked as obsolete and no longer in production by Texas Instruments. Verification of availability should focus on surplus distributors or authorized secondary market sources rather than direct manufacturer allocation. Buyers must confirm the authenticity and storage history of existing stock due to the discontinuation status.
Selection Notes
Designers requiring this specific part number must account for its end-of-life status when planning long-term production runs. Alternative selection should consider newer revisions or equivalent shunt regulators from the same family that remain active. Compatibility checks regarding pinout and thermal characteristics are essential when substituting with other available packages.
Part Context
The TLVH431AQLPRE3 belongs to the TLVH431A series of low-voltage adjustable precision shunt regulators. This series is designed for applications requiring stable voltage references in compact form factors. The 'QLPR' suffix indicates the specific TO-92-3 through-hole packaging variant within the broader product line.
Replacement Considerations
Publicly confirmed substitute part numbers include TLVH431BQLPR. Users should verify functional equivalence and package compatibility before implementation.
