Overview
The TL431AIDBZR is an adjustable precision shunt regulator produced by Nexperia USA Inc. It belongs to the three-terminal shunt regulator family and is designed to provide a highly stable output voltage that can be set between the reference voltage (Vref = 2.495 V) and up to 36 V using two external resistors. This component is known for its enhanced stability, low output noise, and high accuracy, making it suitable for a variety of applications including automotive and commercial sectors.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage (Vref) | 2.495 V |
| Output Voltage Range | Vref to 36 V |
| Reference Voltage Tolerance | 1% (A-Grade) |
| Temperature Drift | 6 mV (0°C to 70°C) |
| Output Impedance | 0.2 Ω |
| Sink Current Capability | 1 mA to 100 mA |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | SOT23 |
| AEC-Q100 Qualification | Grade 1 |
Key Features
- Programmable output voltage up to 36 V using two external resistors.
- Low output noise and typical output impedance of 0.2 Ω.
- Sink current capability from 1 mA to 100 mA.
- AEC-Q100 qualified (Grade 1) for automotive applications.
- Enhanced stability area with low load capacity requirement.
- Available in different reference voltage tolerances (Standard: 2%, A-Grade: 1%, B-Grade: 0.5%).
Applications
- Shunt regulator.
- Precision current limiter.
- Precision constant current sink.
- Isolated feedback loop for Switch Mode Power Supply (SMPS) applications.
- Automotive and commercial sectors due to its high thermal stability and reliability.
Q & A
- What is the TL431AIDBZR?
The TL431AIDBZR is an adjustable precision shunt regulator produced by Nexperia USA Inc. - What is the output voltage range of the TL431AIDBZR?
The output voltage range is between the reference voltage (Vref = 2.495 V) and up to 36 V, set by two external resistors. - What are the reference voltage tolerances available for the TL431AIDBZR?
The available tolerances are Standard: 2%, A-Grade: 1%, and B-Grade: 0.5%. - What is the typical temperature drift of the TL431AIDBZR?
The typical temperature drift is 6 mV over the range of 0°C to 70°C. - What is the sink current capability of the TL431AIDBZR?
The sink current capability ranges from 1 mA to 100 mA. - Is the TL431AIDBZR AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified (Grade 1) for automotive applications. - What are the common applications of the TL431AIDBZR?
Common applications include shunt regulator, precision current limiter, precision constant current sink, and isolated feedback loop for SMPS. - What package type is the TL431AIDBZR available in?
The TL431AIDBZR is available in the SOT23 package type. - What is the operating temperature range of the TL431AIDBZR?
The operating temperature range is -40°C to 85°C. - Does the TL431AIDBZR offer any EMI ruggedness?
The TL431xFDT types offer enhanced EMI ruggedness, but this specific model (TL431AIDBZR) is designed for standard requirements and linear applications.
