Overview
The TL431BQDCKT is a three-terminal adjustable precision shunt regulator produced by Texas Instruments. This component is part of the TL431 series, known for its high accuracy and stability. It is designed to provide a programmable output voltage, making it versatile for various applications requiring precise voltage regulation.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TL431BQDCKT |
| Package | SC70 (SOT-323) |
| Number of Pins | 3 |
| Mounting Type | Surface Mount |
| Reference Voltage | 2.495V to 36V |
| Output Current | 100mA |
| Voltage Tolerance | ±0.5% |
| Temperature Coefficient | 34ppm/°C |
| Operating Temperature Range | -40°C to 125°C |
| Cathode Current | 700µA |
| Output Impedance | 0.2Ω (Typical) |
| Power Dissipation | 950mW |
| RoHS Compliance | Yes |
Key Features
- Programmable output voltage up to 36V, set by two external resistors.
- Reference voltage of 2.495V with a tolerance of ±0.5%.
- Output current capability of 100mA.
- Low output impedance of 0.2Ω (typical).
- Operating temperature range from -40°C to 125°C.
- Low noise operation.
- Surface mount package (SC70/SOT-323) for compact designs.
Applications
- Shunt regulator in power supply circuits.
- Precision current limiter and constant current sink.
- Isolated feedback loop for Switch Mode Power Supplies (SMPS).
- Rack server power, industrial AC/DC, AC inverter & VF drives, and servo drive control modules.
- Notebook PC power adapter designs.
Q & A
- What is the TL431BQDCKT used for?
The TL431BQDCKT is used as a three-terminal adjustable precision shunt regulator for precise voltage regulation in various applications.
- What is the reference voltage of the TL431BQDCKT?
The reference voltage is 2.495V with a tolerance of ±0.5%.
- What is the maximum output current of the TL431BQDCKT?
The maximum output current is 100mA.
- What is the operating temperature range of the TL431BQDCKT?
The operating temperature range is from -40°C to 125°C.
- What package type does the TL431BQDCKT come in?
The TL431BQDCKT comes in an SC70 (SOT-323) package.
- Is the TL431BQDCKT RoHS compliant?
- What are some common applications of the TL431BQDCKT?
- How is the output voltage of the TL431BQDCKT set?
The output voltage is set by two external resistors.
- What is the typical output impedance of the TL431BQDCKT?
The typical output impedance is 0.2Ω.
- Does the TL431BQDCKT have low noise operation?
