TL431BCDBZRG4

Overview

The TL431BCDBZRG4 is an adjustable precision shunt regulator from Texas Instruments, designed for automotive applications. It operates within a reference voltage range of 2.495V to 36V and supports a maximum output current of 100mA. The device features an initial accuracy of 0.5% and a maximum temperature coefficient of 92ppm/°C. It withstands a maximum input voltage of 37V and functions within an operating temperature range of 0°C to 70°C. Packaged in a surface-mount SOT-23 format with three pins, it utilizes tape and reel packaging for automated assembly.

Feature Summary

• Provides stable adjustable voltage reference functionality suitable for precision control circuits
• Engineered specifically for automotive environments to ensure reliability under varying conditions
• Delivers high initial accuracy to maintain precise regulation across the operational voltage range

Applications

• Automotive power supply regulation systems
• Precision voltage reference circuits in vehicle electronics
• Shunt regulator implementations in automotive control modules

Procurement Notes

Verify that the specific suffix 'G4' confirms automotive qualification status as defined by Texas Instruments documentation. Ensure the component matches the SOT-23 package dimensions and pin configuration required for the target PCB layout. Confirm RoHS compliance and material declarations align with project environmental standards before finalizing procurement orders.

Selection Notes

Select this component when automotive-grade reliability is required alongside adjustable voltage regulation capabilities. The 0.5% initial accuracy makes it suitable for applications demanding tight tolerance control. Consider the SOT-23 package size constraints and the 100mA current limit against the specific load requirements of the design to ensure adequate performance margins.

Part Context

This part belongs to the TL431 series of adjustable shunt regulators manufactured by Texas Instruments. It represents the automotive-qualified variant within the broader family, distinguished by its specific temperature range and reliability standards. The device serves as a fundamental building block for feedback loops and voltage referencing in electronic systems requiring robust performance.

Replacement Considerations

TL431BCDBZR is the non-reel equivalent from the same manufacturer.