TL431CLPRMG

Product Overview

Category

The TL431CLPRMG belongs to the category of voltage references.

Use

It is commonly used as a precision shunt regulator in various electronic circuits.

Characteristics

• High precision: The TL431CLPRMG provides accurate voltage references with low temperature drift.
• Adjustable output: It allows for adjustable output voltages through external resistors.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Wide operating range: It can operate within a wide voltage range, typically from 2.5V to 36V.
• Fast response time: The TL431CLPRMG exhibits a fast response time to changes in input voltage.

Package

The TL431CLPRMG is available in an industry-standard TO-92 package.

Essence

The essence of TL431CLPRMG lies in its ability to provide precise and stable voltage references for electronic circuits.

Packaging/Quantity

The TL431CLPRMG is typically packaged in reels or tubes, with a quantity of 2000 units per reel/tube.

Specifications

• Reference Voltage: 2.5V to 36V
• Operating Temperature Range: -40°C to +85°C
• Output Current: 1mA to 100mA
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C

Detailed Pin Configuration

The TL431CLPRMG 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 regulated output voltage.

Functional Features

• Voltage regulation: The TL431CLPRMG maintains a constant output voltage regardless of changes in input voltage or load conditions.
• Adjustable output: By connecting external resistors, the output voltage can be adjusted to the desired value.
• Overvoltage protection: It offers protection against excessive voltage levels, preventing damage to downstream components.

Advantages and Disadvantages

Advantages

• High precision and stability
• Adjustable output voltage
• Low power consumption
• Wide operating range
• Fast response time

Disadvantages

• Limited output current capability
• Requires external resistors for voltage adjustment

Working Principles

The TL431CLPRMG operates based on the principle of a shunt regulator. It compares the reference voltage at the Reference (R) pin with the feedback voltage from the load. By adjusting the current flowing through the internal resistor network, it regulates the output voltage to match the reference voltage.

Detailed Application Field Plans

The TL431CLPRMG finds applications in various electronic circuits, including:

1. Voltage regulators: It is commonly used as a precision voltage reference in linear voltage regulators.
2. Switching power supplies: The TL431CLPRMG can be employed as a feedback element in switching power supply designs.
3. Battery chargers: It helps maintain a stable charging voltage in battery charger circuits.
4. Audio amplifiers: It can be utilized as a biasing element in audio amplifier circuits to ensure stable operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TL431CLPRMG include:

1. LM4040: A precision voltage reference with adjustable output and low temperature drift.
2. LT1009: A high-precision shunt regulator with a wide operating range and low dropout voltage.
3. REF3030: A low-power voltage reference with excellent accuracy and stability.

These alternative models can be considered depending on specific application requirements.

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