LD1585CD2M-R

Product Overview

Category

LD1585CD2M-R belongs to the category of voltage regulators.

Use

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

Characteristics

• LD1585CD2M-R is a low-dropout (LDO) voltage regulator.
• It has a high output voltage accuracy.
• The device operates with a low dropout voltage, ensuring efficient power conversion.
• LD1585CD2M-R offers excellent line and load regulation.
• It provides thermal shutdown and current limit protection features.

Package

The LD1585CD2M-R comes in a TO-263 package, also known as D2PAK. This package offers good thermal dissipation properties.

Essence

The essence of LD1585CD2M-R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

LD1585CD2M-R is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Dropout Voltage: 1.3V (typical)
• Output Current: Up to 3A
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1585CD2M-R has three pins:

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

Functional Features

• LD1585CD2M-R offers a fixed or adjustable output voltage, depending on the specific model.
• It provides excellent load and line regulation, ensuring stable voltage output under varying conditions.
• The device incorporates thermal shutdown and current limit protection mechanisms to prevent damage due to excessive heat or overcurrent situations.
• LD1585CD2M-R exhibits low dropout voltage, minimizing power dissipation and maximizing efficiency.

Advantages and Disadvantages

Advantages

• High output voltage accuracy
• Low dropout voltage
• Excellent load and line regulation
• Thermal shutdown and current limit protection
• Good thermal dissipation properties

Disadvantages

• Limited input voltage range (4.5V to 26V)
• Fixed or adjustable output voltage options may not suit all applications

Working Principles

LD1585CD2M-R operates based on the principle of regulating voltage through a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite variations in input voltage or load conditions. The device uses various components such as resistors, capacitors, and transistors to achieve this regulation.

Detailed Application Field Plans

LD1585CD2M-R finds application in various electronic systems that require stable and regulated voltage supply. Some common application fields include:

1. Power supplies for microcontrollers and digital circuits
2. Battery-powered devices
3. Automotive electronics
4. Industrial control systems
5. Communication equipment
6. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD1585CD2M-R are:

1. LM1117: A popular LDO voltage regulator with similar specifications and features.
2. LT1085: Another LDO voltage regulator offering adjustable output voltage and high current capability.
3. TPS7A47: An ultra-low dropout voltage regulator suitable for demanding applications.

These alternative models provide similar functionality and can be used as substitutes depending on specific requirements.

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