Overview
The TL431BIDBVRG4 is a three-terminal adjustable shunt regulator produced by Texas Instruments. This device is part of the TL431 family, known for its high precision and adjustable output voltage. The TL431BIDBVRG4 is characterized by its thermal stability over a wide temperature range, making it suitable for various applications including automotive, commercial, and military environments.
Key Specifications
| Parameter | Value |
|---|---|
| Reference Voltage Tolerance at 25°C | 0.5% (B grade) |
| Adjustable Output Voltage | Vref (approximately 2.5V) to 36V |
| Operating Temperature Range | -40°C to 125°C |
| Typical Output Impedance | 0.2Ω |
| Sink-Current Capability | 1mA to 100mA |
| Package Type | SOIC (D) |
| Pins | 8 |
| Package Quantity | Tape & Reel (TR), Cut Tape (CT) |
Key Features
- Active output circuitry providing a sharp turn-on characteristic, making it an excellent replacement for Zener diodes.
- High precision reference voltage with tolerances of 0.5%, 1%, and 2% at 25°C.
- Adjustable output voltage set by two external resistors.
- Low output noise and low output impedance.
- Wide operating temperature range from -40°C to 125°C.
- Typical temperature drift of 6mV (C temp), 14mV (I temp, Q temp).
Applications
- On-board regulation.
- Adjustable power supplies.
- Switching power supplies.
- Automotive, commercial, and military applications due to its wide temperature range and thermal stability.
Q & A
- What is the TL431BIDBVRG4?
The TL431BIDBVRG4 is a three-terminal adjustable shunt regulator produced by Texas Instruments.
- What is the reference voltage tolerance of the TL431BIDBVRG4 at 25°C?
The reference voltage tolerance is 0.5% for the B grade.
- What is the adjustable output voltage range of the TL431BIDBVRG4?
The output voltage can be set between Vref (approximately 2.5V) and 36V using two external resistors.
- What is the operating temperature range of the TL431BIDBVRG4?
The device operates from -40°C to 125°C.
- What is the typical output impedance of the TL431BIDBVRG4?
The typical output impedance is 0.2Ω.
- What are the common applications of the TL431BIDBVRG4?
Common applications include on-board regulation, adjustable power supplies, and switching power supplies.
- Can the TL431BIDBVRG4 replace Zener diodes in some applications?
Yes, the TL431BIDBVRG4 can replace Zener diodes due to its sharp turn-on characteristic and adjustable output voltage.
- What is the package type of the TL431BIDBVRG4?
The package type is SOIC (D) with 8 pins.
- What are the key features of the TL431BIDBVRG4?
Key features include high precision reference voltage, adjustable output voltage, low output noise, and low output impedance.
- Is the TL431BIDBVRG4 suitable for automotive applications?
Yes, it is suitable for automotive applications due to its wide temperature range and thermal stability.
