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The TLV431IDBVR is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It provides an adjustable output voltage ranging from 1.24 V to 6 V with an initial accuracy of ±1.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum cathode current of 15 mA and a minimum reference current of 80 µA. It is housed in a surface-mount SOT-23-5 package.
Verify the specific suffix 'I' indicates the ±1.5% accuracy grade distinct from standard variants. Confirm the SOT-23-5 package designation matches the target PCB footprint. Ensure the operating temperature range aligns with system requirements as this variant supports -40°C to +85°C. Cross-reference the manufacturer part number against official distributors to avoid counterfeit components.
Select this component when precise voltage referencing is required in space-constrained designs utilizing surface-mount technology. The ±1.5% tolerance offers a balance between cost and performance for general-purpose regulation. Consider the 15 mA current limit for load driving capabilities compared to higher-current alternatives.
This part belongs to the TLV431 family of adjustable shunt regulators, designed as low-cost replacements for traditional Zener diodes. It integrates a bandgap reference and error amplifier to provide stable voltage regulation. The DBV suffix specifically denotes the small-outline transistor package configuration suitable for automated assembly processes.
The device requires a minimum reference current of 80 µA to maintain regulation.
Yes, the internal reference sets a minimum adjustable output voltage of 1.24 V.