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LD1585CD2M18R
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LD1585CD2M18R

Product Overview

Category

LD1585CD2M18R belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • LD1585CD2M18R is a low-dropout (LDO) voltage regulator.
  • It has a fixed output voltage of 1.8V.
  • The device operates with a maximum input voltage of 15V.
  • LD1585CD2M18R can provide a maximum output current of 3A.

Package

The LD1585CD2M18R comes in a TO-263 package.

Essence

The essence of LD1585CD2M18R lies in its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

The LD1585CD2M18R is typically packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

  • Input Voltage Range: Up to 15V
  • Output Voltage: 1.8V
  • Output Current: Up to 3A
  • Dropout Voltage: 0.4V (typical)
  • Line Regulation: ±0.05% (typical)
  • Load Regulation: ±0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1585CD2M18R has three pins:

  1. Vin (Pin 1): Input voltage pin.
  2. Vout (Pin 2): Output voltage pin.
  3. GND (Pin 3): Ground pin.

Functional Features

  • Low dropout voltage: LD1585CD2M18R maintains a low voltage drop between the input and output, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
  • High output current capability: With a maximum output current of 3A, LD1585CD2M18R can handle demanding applications.
  • Overcurrent and thermal protection: The device incorporates built-in protection mechanisms to safeguard against excessive current and temperature.

Advantages and Disadvantages

Advantages

  • Efficient voltage regulation with low dropout voltage.
  • High output current capability.
  • Built-in protection features for enhanced reliability.

Disadvantages

  • Fixed output voltage may limit its versatility in certain applications.
  • Limited input voltage range compared to some other voltage regulators.

Working Principles

LD1585CD2M18R operates based on the principle of regulating voltage through a pass transistor. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

LD1585CD2M18R finds application in various electronic systems where precise voltage regulation is required. Some potential application fields include:

  1. Power supply modules for microcontrollers and digital circuits.
  2. Battery-powered devices requiring stable voltage levels.
  3. Automotive electronics, such as infotainment systems and engine control units.
  4. Industrial automation systems.
  5. Communication equipment, including routers and switches.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LD1585CD2M18R are:

  1. LM1117-1.8: A popular LDO voltage regulator with a fixed output voltage of 1.8V.
  2. LT1763-1.8: Another LDO regulator providing a fixed 1.8V output voltage.
  3. TPS7A1801: An adjustable LDO regulator capable of delivering up to 3A output current.

These alternatives can be considered based on specific requirements and compatibility with the target application.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LD1585CD2M18R dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LD1585CD2M18R in technical solutions:

  1. Q: What is LD1585CD2M18R? A: LD1585CD2M18R is a voltage regulator IC that provides a fixed output voltage of 1.8V.

  2. Q: What is the maximum input voltage supported by LD1585CD2M18R? A: The maximum input voltage supported by LD1585CD2M18R is 15V.

  3. Q: Can LD1585CD2M18R handle high current loads? A: Yes, LD1585CD2M18R can handle a maximum output current of 3A.

  4. Q: Is LD1585CD2M18R suitable for low-power applications? A: No, LD1585CD2M18R is designed for medium to high power applications due to its high output current capability.

  5. Q: Does LD1585CD2M18R require any external components for operation? A: Yes, LD1585CD2M18R requires input and output capacitors for stability and filtering purposes.

  6. Q: Can LD1585CD2M18R operate in a wide temperature range? A: Yes, LD1585CD2M18R has a wide operating temperature range of -40°C to +125°C.

  7. Q: What is the dropout voltage of LD1585CD2M18R? A: The dropout voltage of LD1585CD2M18R is typically around 1.3V at full load.

  8. Q: Can LD1585CD2M18R be used in battery-powered applications? A: Yes, LD1585CD2M18R can be used in battery-powered applications as long as the input voltage is within its specified range.

  9. Q: Does LD1585CD2M18R have built-in over-temperature protection? A: Yes, LD1585CD2M18R has built-in thermal shutdown protection to prevent overheating.

  10. Q: Is LD1585CD2M18R available in different package options? A: Yes, LD1585CD2M18R is available in a TO-263-5L package, also known as D2PAK-5L.