TLV431ACDBVTG4

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage References
• Characteristics: Adjustable Precision Shunt Regulator
• Package: SOT-23 (Thin, Small Outline Transistor)
• Essence: TLV431ACDBVTG4 is a voltage reference IC that provides a stable output voltage regardless of input variations.
• Packaging/Quantity: The TLV431ACDBVTG4 is available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Operating Temperature Range: -40°C to +125°C
• Output Current: Up to 100mA
• Accuracy: ±1%
• Input Voltage Range: 2.5V to 16V
• Quiescent Current: 60µA

Pin Configuration

The TLV431ACDBVTG4 has three pins:

1. Anode (A): Connected to the input voltage source.
2. Cathode (K): Connected to the ground or reference voltage.
3. Adjust (ADJ): Output pin for the regulated voltage.

Functional Features

• Adjustable Output Voltage: The TLV431ACDBVTG4 allows users to set the desired output voltage within the specified range.
• Low Quiescent Current: With a quiescent current of only 60µA, the TLV431ACDBVTG4 minimizes power consumption.
• High Accuracy: The IC provides a highly accurate output voltage with a tolerance of ±1%.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range from -40°C to +125°C.

Advantages and Disadvantages

Advantages

• Easy to use and integrate into various electronic circuits.
• Provides a stable output voltage even with input variations.
• Low power consumption due to low quiescent current.
• High accuracy ensures precise voltage regulation.

Disadvantages

• Limited output current capacity (up to 100mA).
• Requires external components for proper operation.

Working Principles

The TLV431ACDBVTG4 is based on the principle of a shunt regulator. It compares the reference voltage (set by the ADJ pin) with the input voltage and adjusts the current flowing through the device to maintain a constant output voltage. By controlling the current, it compensates for any changes in the input voltage, ensuring a stable output.

Detailed Application Field Plans

The TLV431ACDBVTG4 finds applications in various fields, including:

1. Power Supplies: It can be used as a voltage reference in power supply circuits to provide stable and accurate voltages.
2. Battery Management Systems: The IC is suitable for battery charging circuits, ensuring precise voltage regulation during charging.
3. Audio Amplifiers: It can be employed in audio amplifiers to maintain a consistent bias voltage, improving audio quality.
4. Sensor Circuits: The TLV431ACDBVTG4 is useful in sensor circuits that require a stable reference voltage for accurate measurements.

Detailed and Complete Alternative Models

Some alternative models to TLV431ACDBVTG4 include:

1. LM4040: Precision Micropower Shunt Voltage Reference
2. REF3030: Low-Drift, Low-Power, Voltage Reference
3. MAX6001: Ultra-High-Precision, Ultra-Low-Noise Voltage Reference

These alternatives offer similar functionality and characteristics, providing options for different design requirements.

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