TLV431BCLPRE3

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Adjustable Precision Shunt Regulator - Low Voltage Reference - Programmable Output Voltage - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Low Quiescent Current

Package: SOT-23 (Small Outline Transistor 23)

Essence: The TLV431BCLPRE3 is a precision shunt regulator that can be used as a voltage reference in various electronic circuits. It provides a stable and accurate output voltage, making it suitable for applications requiring precise voltage references.

Packaging/Quantity: The TLV431BCLPRE3 is available in a SOT-23 package, which is a small surface-mount transistor package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Reference Voltage Range: 1.24V to 6V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA (typical)
• Dropout Voltage: 1.5V (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TLV431BCLPRE3 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 output voltage.

Functional Features

• Adjustable Output Voltage: The TLV431BCLPRE3 allows the user to program the desired output voltage within the specified range.
• Precision Voltage Reference: It provides a highly accurate and stable output voltage, ensuring reliable performance in voltage-sensitive applications.
• Low Dropout Voltage: The regulator maintains a low voltage drop between the input and output, minimizing power dissipation.
• Low Quiescent Current: The TLV431BCLPRE3 consumes very little current when in standby mode, reducing power consumption.

Advantages

• High Accuracy: The TLV431BCLPRE3 offers excellent voltage accuracy, making it suitable for precision applications.
• Wide Operating Temperature Range: It can operate reliably in extreme temperature conditions, expanding its usability.
• Small Package Size: The SOT-23 package allows for space-efficient integration into compact electronic devices.
• Low Power Consumption: The low quiescent current ensures minimal power wastage.

Disadvantages

• Limited Output Voltage Range: The TLV431BCLPRE3 has a maximum output voltage of 6V, which may not be sufficient for certain applications requiring higher voltages.
• Sensitivity to Input Voltage: The regulator's performance may be affected by variations in the input voltage, requiring careful consideration in some designs.

Working Principles

The TLV431BCLPRE3 operates as a shunt regulator, maintaining a stable output voltage by diverting excess current through an internal reference resistor. By adjusting the reference voltage, the desired output voltage can be set within the specified range.

Detailed Application Field Plans

The TLV431BCLPRE3 is commonly used in various electronic systems, including:

1. Power Supplies: It provides a stable voltage reference for regulating power supply outputs.
2. Battery Management: The TLV431BCLPRE3 ensures accurate voltage monitoring and control in battery-powered devices.
3. Instrumentation: It is utilized in precision measurement equipment that requires highly accurate voltage references.
4. Audio Amplifiers: The regulator helps maintain consistent voltage levels in audio amplification circuits.

Detailed and Complete Alternative Models

1. TL431BQDBZR: Similar to TLV431BCLPRE3 but available in a different package (SOT-223).
2. TL431ACDBZR: Another alternative with a different package (SOT-23-3).
3. TLVH431BQDBZR: A higher voltage version of the TLV431BCLPRE3, offering an extended output voltage range.

These alternative models provide similar functionality and can be used as substitutes for the TLV431BCLPRE3 in various applications.

Word count: 533 words