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LD2985BM285R
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LD2985BM285R

Product Overview

Category

LD2985BM285R 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

LD2985BM285R comes in a small surface-mount package.

Essence

The essence of LD2985BM285R lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

LD2985BM285R is typically packaged in reels or tubes, with varying quantities depending on the manufacturer.

Specifications

  • Input Voltage Range: 2.5V - 16V
  • Output Voltage: 2.85V
  • Dropout Voltage: 300mV (typical)
  • Quiescent Current: 50µA (typical)
  • Output Current: Up to 150mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Low quiescent current minimizes power consumption when the regulator is idle.
  • High output voltage accuracy provides precise voltage regulation.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limit protects the regulator and connected components from excessive current flow.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Low power consumption
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited output current capacity
  • Higher cost compared to some alternatives

Working Principles

LD2985BM285R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the current flow through it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

LD2985BM285R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2985BM285R include: - LM1117-2.85 - LT1763-2.85 - MCP1700-2.85

These alternatives offer similar voltage regulation capabilities and may have different features or specifications that suit specific application requirements.

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技術ソリューションにおける LD2985BM285R 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 LD2985BM285R in technical solutions:

  1. Q: What is LD2985BM285R? A: LD2985BM285R is a low-dropout voltage regulator IC that provides a fixed output voltage of 2.85V.

  2. Q: What is the input voltage range for LD2985BM285R? A: The input voltage range for LD2985BM285R is typically between 2.5V and 16V.

  3. Q: What is the maximum output current LD2985BM285R can handle? A: LD2985BM285R can handle a maximum output current of 150mA.

  4. Q: Can LD2985BM285R be used in battery-powered applications? A: Yes, LD2985BM285R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Is LD2985BM285R suitable for noise-sensitive applications? A: Yes, LD2985BM285R is designed with low output noise, making it suitable for noise-sensitive applications.

  6. Q: Does LD2985BM285R have built-in thermal protection? A: Yes, LD2985BM285R has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can LD2985BM285R operate in extreme temperature conditions? A: LD2985BM285R has an operating temperature range of -40°C to +125°C, allowing it to function in extreme temperature conditions.

  8. Q: What is the typical dropout voltage of LD2985BM285R? A: The typical dropout voltage of LD2985BM285R is around 300mV at 150mA load current.

  9. Q: Can LD2985BM285R be used in automotive applications? A: Yes, LD2985BM285R is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  10. Q: Are there any recommended external components to use with LD2985BM285R? A: It is recommended to use input and output capacitors for stability and noise filtering. The datasheet provides guidelines for selecting these components.

Please note that these answers are general and may vary depending on specific application requirements. Always refer to the datasheet and consult with an expert for accurate information.