LD1086D2T25TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, 2.5V Output
• Package: TO-252-3 (DPAK)
• Essence: LD1086D2T25TR is a voltage regulator integrated circuit designed to provide a stable output voltage of 2.5V with low dropout characteristics.
• Packaging/Quantity: The LD1086D2T25TR is available in a TO-252-3 package and is typically sold in reels containing a specified quantity.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage: 2.5V
• Output Current: Up to 1.5A
• Dropout Voltage: 1.15V (typical) at 1A load
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086D2T25TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low Dropout: The LD1086D2T25TR exhibits low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current: With a maximum output current of 1.5A, this voltage regulator can handle a wide range of applications.
• Excellent Line and Load Regulation: The LD1086D2T25TR provides precise regulation of the output voltage, maintaining stability even with varying input voltages and load conditions.
• Thermal Overload Protection: The integrated circuit incorporates thermal shutdown and current limit protection to prevent damage due to excessive heat or overcurrent.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability for versatile applications. - Precise line and load regulation for stable output voltage. - Thermal overload protection safeguards the device.

Disadvantages: - Limited output voltage options (fixed at 2.5V). - Requires external capacitors for stability.

Working Principles

The LD1086D2T25TR is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a voltage divider network connected to the output. The pass transistor adjusts its resistance to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The LD1086D2T25TR finds applications in various fields, including:

1. Power Supply Modules: It can be used as a voltage regulator in power supply modules for electronic devices, ensuring a stable and reliable power source.
2. Battery-Powered Systems: The LD1086D2T25TR can regulate the voltage in battery-powered systems, extending the battery life and providing consistent performance.
3. Embedded Systems: It is suitable for embedded systems where a regulated voltage is required for microcontrollers, sensors, and other components.
4. Automotive Electronics: The LD1086D2T25TR can be employed in automotive electronics, such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

Some alternative models to LD1086D2T25TR include:

1. LM1117-2.5: A similar voltage regulator with a fixed 2.5V output and low dropout characteristics.
2. LT1086CT-2.5: Another option offering a 2.5V output voltage, high output current, and low dropout voltage.
3. ADP3339AKCZ-2.5: An alternative voltage regulator with a fixed 2.5V output and excellent line and load regulation.

These alternative models provide similar functionality and can be considered based on specific requirements and availability.

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