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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)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 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 TL431BQDCKR is an adjustable precision shunt voltage reference manufactured by Texas Instruments. It operates within a cathode voltage range of 2.495 V to 36 V and supports a maximum cathode current of 100 mA with a minimum operating current of 700 µA. The device features an initial accuracy of ±0.5% and a temperature coefficient of 92 ppm/°C. Designed for automotive applications, it functions reliably across a temperature range of -40°C to 125°C. The component is housed in a SC-70-6 surface-mount package.
Feature Summary
- Provides high-precision adjustable voltage referencing with tight initial accuracy tolerance.
- Engineered for robust performance in demanding automotive electronic environments.
- Enables compact circuit designs through integration into small surface-mount packaging.
Applications
- Automotive power supply regulation circuits
- Precision voltage reference sources for analog signal processing
- Active load implementations for testing and characterization
Procurement Notes
Verify the specific suffix 'Q' confirms automotive qualification requirements before procurement. Ensure the 'CKR' designation matches the required SC-70-6 tape and reel packaging format. Confirm RoHS compliance status aligns with project environmental standards. Validate that the specified accuracy grade meets system threshold constraints.
Selection Notes
Select this component when automotive reliability standards are mandatory for the application. Choose this part over standard grades if tighter initial accuracy tolerances are required. Consider the SC-70-6 footprint constraints against available board space. Evaluate thermal management needs given the wide operating temperature range specifications.
Part Context
This device belongs to the TL431 family of programmable shunt regulators. It serves as a three-terminal integrated circuit providing a stable reference voltage. The series is widely utilized in power management systems requiring precise voltage control. The Q-grade variant specifically targets automotive industry reliability standards.
Replacement Considerations
- TL431BQDCKRG4
FAQ
What is the minimum cathode current required for proper regulation?
The device requires a minimum cathode current of 700 µA to maintain accurate regulation.
Does this component meet automotive qualification standards?
Yes, the 'Q' suffix indicates the device is qualified for automotive applications.
