LD1086D2M18TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: TO-252 (DPAK)
• Essence: LD1086D2M18TR is a voltage regulator integrated circuit designed to provide a fixed output voltage with low dropout characteristics.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage: 1.8V
• Output Current: Up to 1.5A
• Dropout Voltage: 1.3V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086D2M18TR has three pins:

1. Input Pin (IN): This pin is used to connect the input voltage source.
2. Output Pin (OUT): The regulated output voltage is obtained from this pin.
3. Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

• Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
• Fixed output voltage eliminates the need for external resistors or adjustments.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Overcurrent and thermal protection mechanisms safeguard the IC from damage.

Advantages

• Compact TO-252 package provides easy integration into various electronic circuits.
• Wide input voltage range allows for versatile applications.
• High output current capability enables powering of multiple components.
• Low dropout voltage minimizes power dissipation and improves efficiency.

Disadvantages

• Fixed output voltage limits flexibility in certain applications that require adjustable voltages.
• Limited output current may not be suitable for high-power devices or systems.

Working Principles

The LD1086D2M18TR is a linear voltage regulator that operates by comparing the reference voltage with the feedback voltage. It adjusts the pass transistor to maintain a constant output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The LD1086D2M18TR is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Provides stable voltage regulation for portable electronics.
2. Automotive applications: Ensures reliable power supply for automotive electronics.
3. Industrial control systems: Used in automation and control circuits.
4. Communication equipment: Regulates voltage in networking devices and communication systems.

Detailed and Complete Alternative Models

1. LM1117-1.8: Similar fixed voltage regulator with low dropout characteristics.
2. LT1086CT-1.8: Adjustable voltage regulator with low dropout and higher output current capability.
3. TPS79618: Fixed voltage regulator with ultra-low dropout and enhanced line/load regulation.

These alternative models offer similar functionality and can be considered as substitutes for LD1086D2M18TR in specific applications.

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