TLV431BSNT1G

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage References
• Characteristics: Adjustable Precision Shunt Regulator
• Package: SOT-23, 3-Pin
• Essence: TLV431BSNT1G is a precision shunt regulator that can be used to provide a stable reference voltage in various electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Operating Current Range: 1μA to 100mA
• Temperature Range: -40°C to +125°C
• Accuracy: ±1%
• Output Voltage Tolerance: ±0.5%
• Line Regulation: 0.2% (Typical)
• Load Regulation: 0.4% (Typical)

Pin Configuration

The TLV431BSNT1G has three pins:

1. Anode (A): Connected to the positive supply voltage.
2. Cathode (K): Connected to the load or ground.
3. Reference (R): Provides the stable reference voltage.

Functional Features

• Adjustable Output Voltage: The TLV431BSNT1G allows for precise adjustment of the output voltage within the specified range.
• Low Quiescent Current: The device operates with low current consumption, making it suitable for battery-powered applications.
• High Accuracy: With a tolerance of ±1%, the TLV431BSNT1G provides a highly accurate reference voltage.
• Wide Temperature Range: The device can operate reliably in extreme temperature conditions (-40°C to +125°C).
• Short Circuit Protection: The TLV431BSNT1G includes built-in protection against short circuits, ensuring the safety of the circuit.

Advantages and Disadvantages

Advantages

• Precise voltage reference for various applications
• Adjustable output voltage
• Low quiescent current consumption
• Wide temperature range operation
• Short circuit protection

Disadvantages

• Limited output current capability (up to 100mA)
• Requires external components for specific applications

Working Principles

The TLV431BSNT1G is a precision shunt regulator that operates by comparing the reference voltage at the Reference (R) pin with the voltage across the Anode (A) and Cathode (K) pins. It adjusts the current flowing through the device to maintain a stable output voltage. By adjusting the resistive divider connected to the Reference (R) pin, the desired output voltage can be set within the specified range.

Detailed Application Field Plans

The TLV431BSNT1G finds applications in various electronic circuits where a stable reference voltage is required. Some common application fields include:

1. Voltage Regulation: The TLV431BSNT1G can be used as a voltage reference in power supplies, battery chargers, and voltage regulators.
2. Precision Measurement: It is suitable for precision measurement instruments such as multimeters and data acquisition systems.
3. Audio Amplifiers: The TLV431BSNT1G can provide a stable bias voltage for audio amplifiers, ensuring accurate signal amplification.
4. Temperature Sensors: It can be used as a reference voltage source in temperature sensors for precise temperature measurements.
5. Battery Management Systems: The TLV431BSNT1G is commonly used in battery management systems to monitor and control battery charging and discharging processes.

Detailed and Complete Alternative Models

Some alternative models to TLV431BSNT1G that offer similar functionality and characteristics are:

1. LM4040: Precision Shunt Voltage Reference
2. LT1236: Micropower Precision Shunt Voltage Reference
3. MAX6001: Low-Power, Precision Shunt Voltage Reference
4. REF3030: Low-Noise, Low-Drift, Precision Voltage Reference

These alternative models provide options for different voltage ranges, accuracy levels, and package types, allowing designers to choose the most suitable option for their specific application requirements.

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