Overview
The Texas Instruments TL431BQDCKR is an adjustable precision shunt regulator, part of the TL431 series. This device is designed to provide a stable and adjustable voltage reference, making it versatile for various applications. It operates within a wide temperature range and offers low output noise and high stability over temperature variations.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Texas Instruments |
| MPN | TL431BQDCKR |
| Package | SOT-23 (SC70) |
| Number of Pins | 3 |
| Mount | Surface Mount |
| Min Input Voltage | 2.495V |
| Max Input Voltage | 37V |
| Max Output Voltage | 36V |
| Output Current | 100mA |
| Tolerance | 0.5% (B grade) |
| Temperature Coefficient | 34ppm/°C |
| Cathode Current | 700µA |
| Operating Temperature Range | -40°C to 125°C |
| RoHS Compliance | Yes |
| ECCN | EAR99 |
Key Features
- Adjustable output voltage from Vref to 36V
- Low output noise and high stability over temperature variations
- Sink-current capability: 1mA to 100mA
- Low output impedance (typical 0.2Ω)
- Available in three grades with initial tolerances of 0.5%, 1%, and 2% at 25°C
- Operation from -40°C to 125°C (Q grade)
Applications
The TL431BQDCKR is suitable for a variety of applications requiring a stable and adjustable voltage reference. These include power supplies, voltage regulators, battery chargers, and other electronic systems that need precise voltage control. Its wide operating temperature range and low noise characteristics make it particularly useful in industrial, automotive, and consumer electronics.
Q & A
- What is the TL431BQDCKR?
The TL431BQDCKR is an adjustable precision shunt regulator produced by Texas Instruments. - What is the operating temperature range of the TL431BQDCKR?
The device operates from -40°C to 125°C. - What is the maximum output current of the TL431BQDCKR?
The maximum output current is 100mA. - What is the tolerance of the TL431BQDCKR at 25°C?
The tolerance is 0.5% for the B grade. - What is the typical output impedance of the TL431BQDCKR?
The typical output impedance is 0.2Ω. - Is the TL431BQDCKR RoHS compliant?
Yes, the TL431BQDCKR is RoHS compliant. - What is the package type of the TL431BQDCKR?
The package type is SOT-23 (SC70). - What are the key applications of the TL431BQDCKR?
The key applications include power supplies, voltage regulators, battery chargers, and other electronic systems requiring precise voltage control. - How does the TL431BQDCKR handle temperature drift?
The device has low output drift versus temperature, ensuring good stability over the entire temperature range. - What is the ECCN classification of the TL431BQDCKR?
The ECCN classification is EAR99.
