LD1084V25

Product Overview

Category

LD1084V25 belongs to the category of voltage regulators.

Use

LD1084V25 is used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Package: LD1084V25 comes in a standard TO-220 package.
• Essence: It is a low-dropout linear voltage regulator.
• Packaging/Quantity: Typically, LD1084V25 is sold in packs of 10 or more.

Specifications

The specifications for LD1084V25 are as follows:

• Output Voltage: 2.5V
• Maximum Input Voltage: 26V
• Dropout Voltage: 1.3V (typical)
• Output Current: Up to 5A
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.3% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD1084V25 has three pins:

1. Vin (Pin 1): This pin is used to connect the input voltage.
2. Vout (Pin 2): This pin provides the regulated output voltage.
3. GND (Pin 3): This pin is connected to the ground reference.

Functional Features

LD1084V25 offers the following functional features:

• Low dropout voltage: LD1084V25 can regulate voltage even when the input voltage is close to the desired output voltage.
• High output current capability: It can handle up to 5A of output current, making it suitable for various applications.
• Excellent line and load regulation: LD1084V25 maintains stable output voltage despite changes in input voltage or load conditions.
• Thermal overload protection: The regulator includes built-in thermal shutdown circuitry to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• High output current capability allows for versatile applications.
• Excellent line and load regulation provide stable output voltage.
• Thermal overload protection prevents damage from overheating.

Disadvantages

• LD1084V25 is only available in a TO-220 package, which may limit its use in space-constrained designs.
• The maximum input voltage of 26V may not be suitable for certain high-voltage applications.

Working Principles

LD1084V25 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This results in a stable output voltage regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

LD1084V25 finds applications in various fields, including:

1. Power supply circuits: LD1084V25 can be used to provide regulated power to microcontrollers, sensors, and other electronic components.
2. Automotive electronics: It can be employed in automotive systems to regulate voltage for various subsystems.
3. Industrial control systems: LD1084V25 is suitable for stabilizing voltage in industrial control circuits.
4. Audio amplifiers: It can be utilized in audio amplifier circuits to ensure a stable power supply for optimal audio performance.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LD1084V25 are:

1. LM317: A popular adjustable linear voltage regulator with a wide range of output voltage options.
2. LT1084: A low-dropout linear voltage regulator with adjustable output voltage and higher output current capability.
3. LM1117: A series of low dropout voltage regulators available in various fixed output voltages.
4. ADP333x: A family of low dropout linear regulators with high output current capability and excellent line/load regulation.

These alternative models provide options for different output voltage requirements, current capabilities, and package types.

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