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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.2% SOT23-5
- 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：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The TL431CDBVR is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a cathode voltage range of 2.495V to 36V and supports a maximum cathode current of 100mA. The device features an initial accuracy of ±2.2% and a maximum temperature coefficient of 92ppm/°C. It functions with a minimum operating current of 1mA and withstands a maximum input voltage of 37V. Designed for surface-mount applications, it utilizes a 5-pin SOT-23 package and is supplied in tape and reel format. The component is rated for operation between 0°C and 70°C.
Feature Summary
- Provides stable reference voltage through adjustable shunt regulation topology
- Ensures precise output stability with specified initial accuracy tolerance
- Supports surface-mount integration via compact five-pin packaging
Applications
- Precision voltage reference circuits
- Programmable power supply feedback loops
- Comparator threshold setting networks
Procurement Notes
Verify the specific suffix 'C' indicates the required ±2.2% accuracy tier for your design. Confirm the 'DBVR' designation matches the SOT-23-5 package and tape-and-reel delivery method. Ensure the commercial temperature range aligns with your operational environment requirements before finalizing procurement.
Selection Notes
Select this component when a moderate accuracy level of ±2.2% suffices for the application. It is suitable for designs requiring a wide adjustable voltage range up to 36V. Consider alternative variants if higher precision or extended industrial temperature ranges are necessary for the specific system constraints.
Part Context
This part belongs to the TL431 family of programmable shunt regulators. It serves as a three-terminal integrated circuit widely used for voltage referencing and control. The device replaces discrete zener diode solutions by offering superior stability and lower dynamic impedance characteristics in power management architectures.
Replacement Considerations
TL431ACDBVR offers improved ±1% accuracy. TL431BCDR provides ±0.5% accuracy in an SOIC-8 package. TL431BQDR delivers automotive-grade performance with extended temperature capabilities.
