TLV431CDBVR

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage References
• Characteristics: Adjustable Precision Shunt Regulator
• Package: SOT-23 (3)
• Essence: TLV431CDBVR is a precision shunt regulator that can be used to provide a stable reference voltage in various electronic circuits.
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Reference Voltage Range: 1.24V to 6V
• Operating Current Range: 60µA to 15mA
• Temperature Range: -40°C to +125°C
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Output Voltage Tolerance: ±1%
• Maximum Cathode Current: 100mA

Pin Configuration

The TLV431CDBVR has three pins arranged as follows:

```

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| | --|____|-- Anode (A) --|____|-- Cathode (K) --|____|-- Reference (R) ```

Functional Features

• Adjustable output voltage through external resistors.
• Low operating current, making it suitable for low-power applications.
• High accuracy and stability over temperature and load variations.
• Fast response time to changes in input voltage.

Advantages

• Wide operating voltage range.
• Low temperature coefficient.
• Excellent line and load regulation.
• Small package size allows for space-saving designs.
• Low cost compared to alternative solutions.

Disadvantages

• Limited maximum cathode current.
• Requires external resistors for voltage adjustment.
• Sensitivity to input voltage fluctuations.

Working Principles

The TLV431CDBVR operates as a shunt regulator, maintaining a stable reference voltage across its terminals. It compares the reference voltage at the cathode pin with an adjustable voltage divider connected to the anode pin. By adjusting the resistors in the voltage divider, the output voltage can be set to the desired value.

Detailed Application Field Plans

The TLV431CDBVR is commonly used in various applications, including:

1. Voltage regulators in power supplies.
2. Battery charging circuits.
3. Precision measurement equipment.
4. Audio amplifiers and preamplifiers.
5. Temperature sensors and control systems.
6. LED drivers and backlighting circuits.

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the TLV431CDBVR include:

1. LM4040CIZ-4.1/NOPB
2. LT1009CZ#PBF
3. MAX6126AASA25+
4. REF3030AIDBZR

These alternatives offer similar functionality and performance characteristics, providing flexibility in design choices.

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