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LD2985AM35R
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LD2985AM35R

Product Overview

Category

The LD2985AM35R belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

The LD2985AM35R comes in a small surface-mount package.

Essence

The essence of LD2985AM35R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The LD2985AM35R is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 16V
  • Output Voltage: 3.3V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 50µA
  • Output Current: 150mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2985AM35R has three pins:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

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 mode.
  • 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 devices from excessive current flow.

Advantages and Disadvantages

Advantages

  • Compact size and surface-mount package make it suitable for space-constrained applications.
  • Wide input voltage range allows flexibility in various electronic circuits.
  • Excellent voltage regulation characteristics ensure stable and reliable performance.

Disadvantages

  • Limited output current may not be suitable for high-power applications.
  • Higher dropout voltage compared to some alternative models may result in slightly reduced efficiency.

Working Principles

The LD2985AM35R operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LD2985AM35R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LD2985AM35R include: - LM1117-3.3 - LT1763-3.3 - MCP1703-3302E/DB

These alternatives offer similar voltage regulation capabilities and can be considered based on specific application requirements.

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技術ソリューションにおける LD2985AM35R 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。

Sure! Here are 10 common questions and answers related to the application of LD2985AM35R in technical solutions:

  1. Q: What is LD2985AM35R? A: LD2985AM35R is a low-dropout voltage regulator IC that provides a stable output voltage with low quiescent current.

  2. Q: What is the input voltage range for LD2985AM35R? A: The input voltage range for LD2985AM35R is typically between 2.5V and 16V.

  3. Q: What is the output voltage of LD2985AM35R? A: The output voltage of LD2985AM35R is fixed at 3.3V.

  4. Q: What is the maximum output current of LD2985AM35R? A: LD2985AM35R can provide a maximum output current of 150mA.

  5. Q: Is LD2985AM35R suitable for battery-powered applications? A: Yes, LD2985AM35R is suitable for battery-powered applications due to its low quiescent current and low dropout voltage.

  6. Q: Can LD2985AM35R handle input voltage fluctuations? A: Yes, LD2985AM35R has built-in protection features like thermal shutdown and current limit, which help it handle input voltage fluctuations.

  7. Q: Does LD2985AM35R require external capacitors for stability? A: Yes, LD2985AM35R requires an input and output capacitor for stability. Refer to the datasheet for recommended values.

  8. Q: Can LD2985AM35R be used in automotive applications? A: Yes, LD2985AM35R is suitable for automotive applications as it meets the required specifications and has a wide operating temperature range.

  9. Q: What is the package type of LD2985AM35R? A: LD2985AM35R is available in a small SOT-23 package, which is commonly used for surface-mount applications.

  10. Q: Are there any application notes or reference designs available for LD2985AM35R? A: Yes, the manufacturer provides application notes and reference designs that can help you understand and implement LD2985AM35R in your technical solutions.

Please note that these answers are general and may vary depending on specific requirements and datasheet specifications.