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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SC70-6
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：6 V
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Grade：-
- Qualification：-
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Overview
The TLV431BQDCKT is an automotive-grade, low-voltage adjustable precision shunt regulator from Texas Instruments. It operates within a voltage range of 1.24 V to 6 V with an initial accuracy of 0.5%. The device supports a maximum cathode current of 15 mA and withstands input voltages up to 7 V. It features a temperature coefficient of 161 ppm/°C and functions reliably between -40°C and +125°C. Packaged in a compact SC-70-6 (SOT-363) surface-mount footprint, it meets AEC-Q100 standards for automotive applications.
Feature Summary
- Automotive qualification compliant with AEC-Q100 standards
- Low-voltage operation optimized for systems below 6 V
- High initial accuracy ensures precise reference control
- Compact SC-70-6 package facilitates dense PCB layouts
Applications
- Automotive power supply regulation circuits
- Low-voltage battery management systems
- Precision voltage reference generation
- Feedback loop compensation in DC-DC converters
Procurement Notes
Verify the specific suffix 'Q' confirms AEC-Q100 automotive qualification status. Confirm the 'DCK' package designation matches the required SC-70-6 form factor. Ensure the 'B' grade aligns with the necessary 0.5% initial accuracy tolerance for the design. Cross-reference the datasheet revision date to confirm parameter consistency.
Selection Notes
Select this component when automotive reliability is mandatory alongside low-voltage precision requirements. The 15 mA cathode current limit suits moderate load applications. Compare against standard TLV431 variants if automotive certification is unnecessary. Evaluate thermal performance within the specified -40°C to +125°C range for harsh environments.
Part Context
This part belongs to the TLV431 family of adjustable shunt regulators. The 'Q' suffix denotes automotive grade compliance, while 'B' indicates the 0.5% accuracy tier. It serves as a low-voltage alternative to the traditional TL431, offering improved performance in sub-6 V systems. The SC-70-6 package provides a space-efficient solution for modern miniaturized electronics.
Replacement Considerations
TLV431BQDBZRQ1 offers identical electrical specifications but utilizes a SOT-23-3 package instead of SC-70-6. Designers must verify pinout compatibility and footprint changes during substitution.
