Overview
The TL431KLP-BP is a three-terminal adjustable shunt regulator produced by Micro Commercial Co. This component is part of the TL431 series, known for its thermal stability and versatility in various applications. The TL431KLP-BP is designed to provide a stable voltage reference and can be used in a wide range of electronic systems, including automotive, commercial, and industrial environments.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TO-92 |
| Pins | 3 |
| Operating Temperature Range (°C) | -40 to 125 |
| Reference Voltage Tolerance at 25°C | 0.5% (B grade), 1% (A grade), 2% (Standard grade) |
| Adjustable Output Voltage | Vref to 36V |
| Typical Output Impedance | 0.2Ω |
| Sink-Current Capability | 1mA to 100mA |
| Typical Temperature Drift | 6mV (C temp), 14mV (I temp, Q temp) |
Key Features
- Three-terminal adjustable shunt regulator
- Specified thermal stability over automotive, commercial, and military temperature ranges
- Adjustable output voltage from Vref (approximately 2.5V) to 36V using two external resistors
- Low output noise and high stability over the entire temperature range
- Active output circuitry with a sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications
- Available in different grades with initial tolerances of 0.5%, 1%, and 2% at 25°C
Applications
- On-board regulation
- Adjustable power supplies
- Switching power supplies
- Voltage regulation in automotive systems
- Industrial control systems
- Consumer electronics requiring stable voltage references
Q & A
- What is the TL431KLP-BP used for? The TL431KLP-BP is used as a three-terminal adjustable shunt regulator to provide a stable voltage reference in various electronic systems.
- What is the operating temperature range of the TL431KLP-BP? The operating temperature range is from -40°C to 125°C.
- How is the output voltage of the TL431KLP-BP adjusted? The output voltage can be adjusted using two external resistors from Vref (approximately 2.5V) to 36V.
- What are the typical applications of the TL431KLP-BP? Typical applications include on-board regulation, adjustable power supplies, switching power supplies, and voltage regulation in automotive and industrial systems.
- What are the different grades of the TL431 series? The TL431 series is available in different grades with initial tolerances of 0.5%, 1%, and 2% at 25°C.
- What is the typical output impedance of the TL431KLP-BP? The typical output impedance is 0.2Ω.
- What is the sink-current capability of the TL431KLP-BP? The sink-current capability ranges from 1mA to 100mA.
- How does the TL431KLP-BP compare to Zener diodes? The TL431KLP-BP has active output circuitry with a sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications.
- What is the package type of the TL431KLP-BP? The package type is TO-92.
- Is the TL431KLP-BP suitable for automotive applications? Yes, it is suitable for automotive applications due to its specified thermal stability over automotive temperature ranges.
