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LD1585CD2T18R
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LD1585CD2T18R

Product Overview

Category

LD1585CD2T18R belongs to the category of voltage regulators.

Use

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

Characteristics

  • LD1585CD2T18R 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.
  • LD1585CD2T18R can provide a maximum output current of 3A.

Package

The LD1585CD2T18R comes in a TO-263 package, also known as D2PAK.

Essence

The essence of LD1585CD2T18R lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's documentation for detailed packaging information.

Specifications

  • Input Voltage Range: Up to 15V
  • Output Voltage: 1.8V
  • Output Current: Up to 3A
  • Dropout Voltage: 0.45V (typical)
  • Line Regulation: ±0.05% (typical)
  • Load Regulation: ±0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1585CD2T18R 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 voltage: LD1585CD2T18R maintains a stable output voltage even when the input voltage is close to the desired output voltage.
  • Overcurrent protection: The device includes built-in protection against excessive output current, preventing damage to the regulator and the connected circuitry.
  • Thermal shutdown: LD1585CD2T18R has a thermal shutdown feature that protects the device from overheating by shutting down the regulator when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

  • High output current capability.
  • Low dropout voltage ensures efficient regulation.
  • Built-in overcurrent protection enhances reliability.
  • Thermal shutdown feature prevents overheating.

Disadvantages

  • Fixed output voltage limits flexibility in certain applications.
  • Higher cost compared to standard linear regulators.

Working Principles

LD1585CD2T18R operates based on the principle of regulating voltage through a pass transistor. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

LD1585CD2T18R finds applications in various electronic systems where a stable and regulated 1.8V power supply is required. Some common application fields include:

  1. Microcontroller circuits
  2. Digital signal processing (DSP) systems
  3. Communication equipment
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. LM1117-1.8: A popular alternative with similar specifications and package options.
  2. LT1763-1.8: Another alternative offering low dropout voltage and high output current capability.
  3. ADP3339-1.8: An alternative with additional features such as adjustable output voltage and enable pin.

Note: This list is not exhaustive, and there are several other alternatives available in the market. It is recommended to consult the manufacturer's documentation or search for suitable alternatives based on specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LD1585CD2T18R dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LD1585CD2T18R in technical solutions:

  1. Q: What is LD1585CD2T18R? A: LD1585CD2T18R is a voltage regulator IC that provides a fixed output voltage of 1.8V.

  2. Q: What is the maximum input voltage supported by LD1585CD2T18R? A: The maximum input voltage supported by LD1585CD2T18R is 15V.

  3. Q: Can LD1585CD2T18R handle high current loads? A: Yes, LD1585CD2T18R can handle a maximum output current of 3A.

  4. Q: Is LD1585CD2T18R suitable for both linear and switching power supply designs? A: No, LD1585CD2T18R is specifically designed for linear power supply applications.

  5. Q: Does LD1585CD2T18R require any external components for operation? A: Yes, LD1585CD2T18R requires input and output capacitors for stability and filtering.

  6. Q: Can LD1585CD2T18R operate in a wide temperature range? A: Yes, LD1585CD2T18R has a wide operating temperature range of -40°C to +125°C.

  7. Q: What is the dropout voltage of LD1585CD2T18R? A: The dropout voltage of LD1585CD2T18R is typically around 1.3V at full load.

  8. Q: Can LD1585CD2T18R be used in battery-powered applications? A: Yes, LD1585CD2T18R can be used in battery-powered applications as it has low quiescent current.

  9. Q: Does LD1585CD2T18R have built-in over-temperature protection? A: Yes, LD1585CD2T18R has built-in thermal shutdown protection to prevent overheating.

  10. Q: Is LD1585CD2T18R available in different package options? A: Yes, LD1585CD2T18R is available in a TO-263-5L package for easy mounting and heat dissipation.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of LD1585CD2T18R.