LD1084V50

Product Overview

• Category: Voltage Regulator
• Use: LD1084V50 is a voltage regulator that provides a fixed output voltage of 5.0V.
• Characteristics: It has a low dropout voltage, high current capability, and excellent line regulation. The LD1084V50 is designed to be used in various applications where a stable and reliable voltage source is required.
• Package: LD1084V50 comes in a TO-220 package, which is a widely used package for voltage regulators.
• Essence: The essence of LD1084V50 lies in its ability to regulate the input voltage and provide a constant output voltage of 5.0V.
• Packaging/Quantity: LD1084V50 is typically available in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 7V to 20V
• Output Voltage: 5.0V
• Output Current: Up to 5A
• Dropout Voltage: 1.3V (typical)
• Line Regulation: 0.015% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1084V50 has three pins:

1. Input Pin (VIN): This pin is connected to the input voltage source.
2. Output Pin (VOUT): This pin provides the regulated output voltage of 5.0V.
3. Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

• Low Dropout Voltage: LD1084V50 has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Current Capability: With a maximum output current of 5A, LD1084V50 can handle high current loads without significant voltage drop.
• Excellent Line Regulation: LD1084V50 exhibits excellent line regulation, ensuring a stable output voltage even with variations in the input voltage.
• Short Circuit Protection: The LD1084V50 includes built-in short circuit protection, preventing damage to the regulator and the connected circuitry in case of a short circuit.

Advantages and Disadvantages

Advantages: - Provides a stable output voltage of 5.0V - Low dropout voltage - High current capability - Excellent line regulation - Short circuit protection

Disadvantages: - Requires an input voltage within the specified range (7V to 20V) - May require additional heat sinking for high current applications

Working Principles

LD1084V50 is based on a linear voltage regulator architecture. It uses a pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output voltage. The internal circuitry of LD1084V50 ensures that the output voltage remains stable even with variations in the input voltage and load conditions.

Detailed Application Field Plans

LD1084V50 finds applications in various fields where a stable 5.0V voltage source is required. Some common application areas include:

1. Power supply circuits for microcontrollers and digital ICs
2. Battery charging circuits
3. Audio amplifiers
4. LED lighting systems
5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to LD1084V50 are:

1. LM7805: A widely used 5.0V linear voltage regulator.
2. LT1084: A high-performance 5.0V linear voltage regulator with low dropout voltage.
3. LM317: A versatile adjustable voltage regulator that can be configured to provide a fixed output voltage of 5.0V.

These alternative models offer similar characteristics and can be used as substitutes for LD1084V50 in various applications.

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