Overview
The TL431BCDBZRVL is a three-terminal adjustable precision shunt regulator produced by Nexperia USA Inc. This component is part of the TL431 family, known for its thermal stability and versatility in various applications. It offers a programmable output voltage range from 2.495 V to 36 V, set by two external resistors, making it highly adaptable for different circuit designs.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage (Vref) | 2.495 V to 36 V |
| Reference Voltage Tolerance | ±0.5% |
| Temperature Range | -40 °C to 125 °C |
| Sink Current Capability | 1 mA to 100 mA |
| Output Noise | Low output noise |
| Output Impedance | Typically 0.2 Ω |
| Package Type | TO-236AB |
| Cathode-Anode Voltage Variation Ratio | -1.4 to -2.7 mV/V |
| Reference Current | 2 to 4 μA (IK = 10 mA, R1 = 10 kΩ, R2 = open) |
Key Features
- Programmable output voltage up to 36 V using two external resistors.
- Three different reference voltage tolerances: 2%, 1%, and 0.5% (B-Grade for TL431BCDBZRVL).
- 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.
- High EMI ruggedness for applications such as Switch Mode Power Supplies (SMPS).
Applications
- Shunt regulator.
- Precision current limiter.
- Precision constant current sink.
- Isolated feedback loop for Switch Mode Power Supply (SMPS) applications.
- Automotive and commercial temperature range applications.
Q & A
- What is the reference voltage range of the TL431BCDBZRVL?
The reference voltage range is from 2.495 V to 36 V. - What is the reference voltage tolerance for the TL431BCDBZRVL?
The reference voltage tolerance is ±0.5%. - What is the temperature range for the TL431BCDBZRVL?
The temperature range is from -40 °C to 125 °C. - What is the sink current capability of the TL431BCDBZRVL?
The sink current capability is from 1 mA to 100 mA. - Is the TL431BCDBZRVL AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified (Grade 1) for automotive applications. - What type of ruggedness does the TL431xFDT type offer?
The TL431xFDT type offers Electromagnetic Interference (EMI) ruggedness. - What are the TL431xSDT types designed for?
The TL431xSDT types are designed for standard requirements and linear applications. - What is the typical output impedance of the TL431BCDBZRVL?
The typical output impedance is 0.2 Ω. - What are some common applications of the TL431BCDBZRVL?
Common applications include shunt regulator, precision current limiter, precision constant current sink, and isolated feedback loop for SMPS. - How is the output voltage of the TL431BCDBZRVL set?
The output voltage is set by two external resistors.
