LD1086D2T50TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, 1.5A Output Current, Adjustable Output Voltage, TO-252 Package
• Package: TO-252 (DPAK)
• Essence: LD1086D2T50TR is a voltage regulator integrated circuit that provides a stable output voltage with low dropout characteristics.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Output Voltage: Adjustable from 1.25V to 50V
• Output Current: Up to 1.5A
• Dropout Voltage: Typically 1.3V at 1.5A
• Input Voltage Range: 4.75V to 20V
• Line Regulation: 0.015% typical
• Load Regulation: 0.1% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086D2T50TR has three pins:

1. Input Pin (IN): This pin is connected to 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

• Provides a stable and adjustable output voltage.
• Low dropout voltage allows for efficient regulation even when the input voltage is close to the desired output voltage.
• Built-in thermal shutdown and current limit protection.
• Fast transient response ensures stability during load variations.
• Suitable for both fixed and adjustable voltage applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• High output current capability of 1.5A.
• Low dropout voltage minimizes power dissipation.
• TO-252 package provides easy mounting and heat dissipation.

Disadvantages

• Requires external components for proper operation.
• Limited output voltage range compared to some other voltage regulators.

Working Principles

The LD1086D2T50TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a PNP pass transistor and a PMOS pass element.

Detailed Application Field Plans

The LD1086D2T50TR can be used in various applications where a stable and adjustable voltage supply is required. Some potential application fields include:

1. Power supplies for microcontrollers and digital circuits.
2. Battery charging circuits.
3. Automotive electronics.
4. Industrial control systems.
5. Audio amplifiers.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LD1086D2T50TR are:

1. LM317: Adjustable voltage regulator with a maximum output current of 1.5A.
2. LT1086: Low dropout voltage regulator with adjustable output voltage and up to 3A output current.
3. LDO50V: Fixed output voltage regulator with a maximum output current of 1.5A and a dropout voltage of 1.3V.

These alternative models can be considered based on specific requirements and design constraints.

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