TL431BCLPME3

Overview

The TL431BCLPME3 is an adjustable precision shunt regulator manufactured by Texas Instruments. It provides a reference voltage range from 2.495 V to 36 V with a maximum output current of 100 mA. The device features an initial accuracy of 2% and operates within a temperature range of 0 °C to 70 °C. Packaged in a 3-pin TO-92 through-hole configuration, it serves as a stable voltage reference for various electronic circuits.

Feature Summary

• Adjustable output voltage capability via external resistor divider
• Guaranteed thermal stability over the specified operating temperature range
• Low dynamic impedance for improved regulation performance

Applications

• Precision voltage references
• Programmable linear regulators
• Switch-mode power supplies

Procurement Notes

Verify component authenticity and datasheet alignment before procurement. Confirm package type and pinout compatibility with existing designs. Check for end-of-life status or alternative recommendations from the manufacturer. Ensure environmental compliance requirements match project specifications.

Selection Notes

Select this component when a low-cost, through-hole adjustable shunt regulator is required. Consider the 2% initial accuracy and commercial temperature range limits. Evaluate if the TO-92 package fits the mechanical constraints. Compare against other TL431 variants for specific accuracy or temperature grade needs.

Part Context

Part of the TL431 family of programmable shunt regulators. Widely used in industrial and consumer electronics for voltage regulation and reference applications. Manufactured by Texas Instruments using bipolar technology. Commonly found in power supply feedback loops and battery management systems.

Replacement Considerations

Check for direct replacements like TL431ACLPME3 or TL431IDG4 depending on accuracy and package requirements. Verify pinout compatibility and electrical parameter overlaps. Consult manufacturer documentation for recommended substitutes if the part is discontinued.