LD1086D2T12TR

Product Overview

Category

LD1086D2T12TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• LD1086D2T12TR is a low-dropout (LDO) voltage regulator.
• It has a fixed output voltage of 12V.
• The device operates with a maximum input voltage of 20V.
• LD1086D2T12TR can provide a maximum output current of 1.5A.
• It offers excellent line and load regulation.
• The regulator has built-in thermal shutdown and current limit protection features.

Package

LD1086D2T12TR is available in a TO-252 package, also known as DPAK (Plastic Packaged Power Transistor).

Essence

The essence of LD1086D2T12TR is to provide a stable and regulated 12V output voltage for various electronic applications.

Packaging/Quantity

LD1086D2T12TR is typically sold in reels or tubes containing a specific quantity, such as 2500 units per reel.

Specifications

• Input Voltage Range: Up to 20V
• Output Voltage: 12V (Fixed)
• 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
• Thermal Resistance (Junction-to-Ambient): 50°C/W

Detailed Pin Configuration

LD1086D2T12TR has three pins:

1. Vin (Input): Connects to the input voltage source.
2. Vout (Output): Provides the regulated 12V output voltage.
3. GND (Ground): Common reference point for the regulator.

Functional Features

• Low dropout voltage allows efficient regulation even when the input voltage is close to the desired output voltage.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Built-in thermal shutdown protects the device from overheating.
• Current limit protection prevents excessive current flow, safeguarding the circuit and the regulator.

Advantages and Disadvantages

Advantages

• Stable and regulated 12V output voltage.
• Low dropout voltage enables efficient operation.
• Excellent line and load regulation for consistent performance.
• Thermal shutdown and current limit protection enhance reliability.

Disadvantages

• Fixed output voltage may not be suitable for applications requiring variable voltages.
• Maximum output current of 1.5A may limit usage in high-power applications.

Working Principles

LD1086D2T12TR utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal components to maintain a constant 12V output, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

LD1086D2T12TR finds applications in various electronic systems where a stable 12V voltage source is required. Some common application fields include:

1. Power supply units for microcontrollers and digital circuits.
2. Automotive electronics, such as car audio systems and lighting controls.
3. Industrial control systems and automation equipment.
4. Battery charging circuits.
5. Communication devices and networking equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. LT1086: Similar fixed voltage regulator with higher output current capability.
3. LM7805: Fixed 5V voltage regulator commonly used in low-power applications.
4. LM1117: Low dropout voltage regulator available in various fixed output voltages.

These alternative models offer different features and specifications, providing flexibility for specific application requirements.

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