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LD2985AM28R
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LD2985AM28R

Product Overview

Category

LD2985AM28R belongs to the category of voltage regulators.

Use

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

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • High output voltage accuracy
  • Thermal shutdown protection
  • Short-circuit current limit

Package

LD2985AM28R is available in a small SOT-23 package.

Essence

The essence of LD2985AM28R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

LD2985AM28R is typically packaged in reels, with each reel containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 2.8V
  • Dropout Voltage: 300mV (typical)
  • Quiescent Current: 50µA (typical)
  • Output Current: Up to 150mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD2985AM28R has three pins:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin

Functional Features

  • Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
  • Low quiescent current minimizes power consumption during standby or idle conditions.
  • High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limit protects the regulator and connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages

  • Compact size and easy integration into various electronic circuits.
  • Wide input voltage range allows for flexibility in different applications.
  • High output voltage accuracy ensures reliable performance.
  • Thermal shutdown protection enhances safety and reliability.

Disadvantages

  • Limited output current capacity may restrict its use in high-power applications.
  • Dropout voltage may cause a slight loss of efficiency in certain scenarios.

Working Principles

LD2985AM28R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

LD2985AM28R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2985AM28R are: - LM1117-2.8: A popular voltage regulator with similar specifications and features. - MCP1702-2802E: Another voltage regulator offering stable 2.8V output. - LT1763-2.8: A high-performance 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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技術ソリューションにおける LD2985AM28R の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the input voltage range for LD2985AM28R?
    - The input voltage range for LD2985AM28R is 2.5V to 16V.

  2. What is the output voltage of LD2985AM28R?
    - The output voltage of LD2985AM28R is fixed at 2.8V.

  3. What is the maximum output current of LD2985AM28R?
    - The maximum output current of LD2985AM28R is 150mA.

  4. Can LD2985AM28R be used in battery-powered applications?
    - Yes, LD2985AM28R is suitable for battery-powered applications due to its low dropout voltage.

  5. Is LD2985AM28R a low-noise regulator?
    - Yes, LD2985AM28R is designed as a low-noise regulator, making it suitable for noise-sensitive applications.

  6. What is the typical quiescent current of LD2985AM28R?
    - The typical quiescent current of LD2985AM28R is 50µA.

  7. Does LD2985AM28R have built-in thermal shutdown protection?
    - Yes, LD2985AM28R features built-in thermal shutdown protection to prevent overheating.

  8. Can LD2985AM28R be used in automotive applications?
    - Yes, LD2985AM28R is suitable for automotive applications, given its wide input voltage range and robust design.

  9. Is LD2985AM28R available in a surface-mount package?
    - Yes, LD2985AM28R is available in a small surface-mount package for easy integration into compact designs.

  10. What are the typical applications for LD2985AM28R?
    - LD2985AM28R is commonly used in portable devices, industrial sensors, and other low-power electronic systems.