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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% TO236AB
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- 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：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：TO-236AB
- Grade：-
- Qualification：-
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Overview
The TL431BCDBZRVL is a three-terminal shunt regulator from the Nexperia TL431 family, manufactured by Nexperia USA Inc. It operates as a programmable voltage reference with an adjustable output range between 2.495 V and 36 V, set via two external resistors. This specific variant belongs to the B-Grade category, offering a tight reference voltage tolerance of 0.5%. It is housed in a SOT-23 (TO-236AB) surface-mount package and is supplied in a reel configuration.
Feature Summary
- Provides precise programmable output voltage control within a wide operational range
- Delivers high accuracy through B-Grade reference voltage tolerance specifications
- Supports low output noise and typical low output impedance for stable regulation
Applications
- Shunt regulator circuits
- Precision current limiter designs
- Isolated feedback loops for Switch Mode Power Supplies
Procurement Notes
Verify component authenticity against official Nexperia datasheets before integration. Confirm that the B-Grade tolerance and SOT-23 packaging align with design requirements. Check current supply status as availability may vary. Ensure environmental compliance documentation matches project specifications.
Selection Notes
Select this part when a 0.5% reference voltage tolerance is required for precision applications. The SOT-23 package suits space-constrained PCB layouts. Consider the AEC-Q100 qualification if automotive reliability standards are necessary for the system environment.
Part Context
This device is part of the broader TL431 shunt regulator family, which includes variants with different tolerances such as Standard (2%) and A-Grade (1%). The BCDBZR suffix indicates the B-Grade performance level and SOT-23 package type, distinguishing it from other pinning or temperature range options within the same product line.
Replacement Considerations
Compatible substitutes include TL431ACDBZR for 1% tolerance or TL431CDBZR for 2% tolerance, provided the tighter B-Grade specification is not critical. Other pinning-compatible shunt regulators from the same family may serve as alternatives.
