TLV431BLPRP

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 - Wide Operating Range

Package: SOT-23 (Small Outline Transistor 23)

Essence: The TLV431BLPRP 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 TLV431BLPRP is typically available in reels or tubes, with a quantity of 3000 units per reel or 250 units per tube.

Specifications

• Reference Voltage Range: 1.24V to 16V
• Initial Accuracy: ±1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 0.5V (typical)
• Operating Current Range: 1μA to 100mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLV431BLPRP has three pins:

1. Anode (A): Connected to the input voltage.
2. Cathode (K): Connected to the ground or reference voltage.
3. Adjust (ADJ): Provides the adjustable output voltage.

Functional Features

• Programmable Output Voltage: The TLV431BLPRP allows the user to set the desired output voltage by connecting external resistors.
• Low Dropout Voltage: The device operates with a low dropout voltage, minimizing power dissipation.
• High Accuracy: With an initial accuracy of ±1%, the TLV431BLPRP provides precise voltage references.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures stable performance over a wide temperature range.
• Wide Operating Range: The TLV431BLPRP can operate with input voltages ranging from 1.24V to 16V.

Advantages and Disadvantages

Advantages: - Adjustable output voltage allows flexibility in various applications. - High accuracy and low temperature coefficient ensure reliable voltage references. - Low dropout voltage minimizes power dissipation. - Wide operating range accommodates different input voltages.

Disadvantages: - Limited output current capability (up to 100mA). - SOT-23 package may not be suitable for all applications requiring higher power dissipation.

Working Principles

The TLV431BLPRP operates as a shunt regulator, maintaining a stable output voltage by shunting excess current to the ground. By adjusting the voltage at the ADJ pin, the desired output voltage can be set. The device compares the reference voltage internally with the voltage at the ADJ pin and adjusts the shunt resistance accordingly to maintain the output voltage.

Detailed Application Field Plans

The TLV431BLPRP is commonly used in various electronic circuits where a precise voltage reference is required. Some typical application fields include:

1. Power Supply Regulation: The TLV431BLPRP can be used as a voltage reference in power supply circuits to regulate the output voltage accurately.
2. Battery Management Systems: It is utilized in battery management systems to monitor and control the charging and discharging processes.
3. Analog-to-Digital Converters (ADC): The TLV431BLPRP provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals.
4. Voltage Monitoring: It can be employed in voltage monitoring circuits to detect overvoltage or undervoltage conditions and trigger appropriate actions.

Detailed and Complete Alternative Models

Some alternative models to the TLV431BLPRP include:

1. TL431BQDBZR: SOT-23 package, adjustable precision shunt regulator.
2. LM4040CIM3-4.1/NOPB: SOT-23 package, precision micropower shunt voltage reference.
3. REF3030AIDBZT: SOT-23 package, precision voltage reference with low dropout voltage.

These alternatives offer similar functionality and can be used as substitutes depending on specific requirements.

Word count: 511 words