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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1.5% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- 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 TLV431CLPRE3 is an adjustable precision shunt voltage reference manufactured by Texas Instruments. It operates within a cathode voltage range of 2.5 V to 7 V and delivers a maximum cathode current of 15 mA. The device features an initial accuracy of 1.5% and a typical average temperature coefficient of 129 ppm/°C. Designed for through-hole mounting, it utilizes a TO-92-3 package. The component supports an operating temperature range from 0°C to +70°C and includes a minimum cathode current specification of 80 µA.
Feature Summary
- Provides adjustable output voltage capability within a low-voltage operational window
- Delivers high initial accuracy for precise voltage regulation applications
- Supports through-hole installation in standard three-pin packages
Applications
- Low-voltage power supply regulation circuits
- Precision voltage reference sources for analog signal conditioning
- Battery-powered equipment requiring stable reference voltages
Procurement Notes
Verify the specific suffix PRE3 indicates lead-free and RoHS compliance status as documented. Confirm the CL variant matches the required 1.5% initial accuracy and 129 ppm/°C temperature coefficient specifications. Ensure the TO-92-3 through-hole package aligns with the target PCB layout requirements. Check official documentation for any recent product change notices or lifecycle status updates prior to finalizing procurement plans.
Selection Notes
Select this component when designing circuits that require adjustable shunt regulation within a maximum 7 V input limit. The 15 mA cathode current rating suits moderate load applications. Consider the 0°C to +70°C operating range against environmental conditions. Compare the 1.5% initial accuracy against tighter tolerance alternatives if higher precision is necessary for the specific application performance criteria.
Part Context
This part belongs to the TLV431 series of low-voltage adjustable shunt regulators. Unlike the standard TL431 which supports up to 36 V, the TLV431 family is optimized for lower voltage systems. The TO-92-3 packaging provides a cost-effective solution for through-hole designs. This specific model represents a balance between precision and low-voltage operation constraints.
Replacement Considerations
TLV431ACLPR offers 1% accuracy with identical voltage limits. TLV431BCLP provides 0.5% accuracy for higher precision needs. Standard TL431 variants support higher voltages but exceed the 7 V maximum input constraint.
