ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% 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：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
Download product information
Overview
The TL431BQDBVR is an automotive-grade adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a 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 surface-mount applications, it is housed in a five-pin SOT-23 package. The component functions reliably across an extended industrial temperature range from -40°C to +125°C.
Feature Summary
- Automotive-grade qualification ensuring reliability for vehicle electronics
- High precision voltage reference with tight initial accuracy tolerance
- Wide operating current range supporting diverse load conditions
Applications
- Automotive power supply regulation circuits
- Precision voltage references in automotive control modules
- Shunt regulation in automotive battery management systems
Procurement Notes
Verify the specific suffix 'BQ' confirms automotive grade status against the official datasheet. Confirm the SOT-23-5 package outline matches the target PCB footprint. Ensure the temperature rating aligns with the application environment requirements. Cross-reference the manufacturer part number directly with the original equipment manufacturer documentation to avoid counterfeit components.
Selection Notes
Select this component when automotive reliability standards are mandatory for the design. The wide operating current range allows flexibility in feedback network resistor selection. The compact SOT-23-5 package is suitable for space-constrained automotive boards. Consider the temperature coefficient if high stability over extreme thermal variations is required.
Part Context
This device belongs to the TL431 family of programmable shunt regulators. It serves as a critical reference element in switching power supplies and linear regulators. The automotive variant offers enhanced robustness compared to standard commercial versions, making it suitable for harsh environments found in modern vehicles.
Replacement Considerations
Compatible substitutes include other automotive-grade TL431 variants such as TL431AQDBVR or TL431BQDR, provided pin compatibility and electrical specifications match.
