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LD2982AM15R
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LD2982AM15R

Product Overview

Category

The LD2982AM15R 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 LD2982AM15R comes in a small surface-mount package.

Essence

The essence of LD2982AM15R lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

The LD2982AM15R 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: 1.5V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 50µA
  • Output Current: 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2982AM15R has three pins:

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

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • 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 from overcurrent conditions.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Wide input voltage range
  • Low power consumption
  • Compact size
  • Protection features

Disadvantages

  • Limited output current capacity
  • Higher dropout voltage compared to some alternatives

Working Principles

The LD2982AM15R 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 voltage.

Detailed Application Field Plans

The LD2982AM15R finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for LD2982AM15R are: - LM1117-1.5 - LT1763-1.5 - MCP1701-1.5 - TS2950CT-1.5

These models offer similar voltage regulation capabilities and can be used as alternatives depending on specific requirements.

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技術ソリューションにおける LD2982AM15R 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 LD2982AM15R in technical solutions:

  1. Q: What is LD2982AM15R? A: LD2982AM15R is a low-dropout voltage regulator IC that provides a fixed output voltage of 1.5V.

  2. Q: What is the input voltage range for LD2982AM15R? A: The input voltage range for LD2982AM15R is typically between 2.5V and 16V.

  3. Q: What is the maximum output current of LD2982AM15R? A: LD2982AM15R can provide a maximum output current of 50mA.

  4. Q: Is LD2982AM15R suitable for battery-powered applications? A: Yes, LD2982AM15R is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Can LD2982AM15R handle high input voltages? A: No, LD2982AM15R is not designed to handle high input voltages. It is recommended to stay within the specified input voltage range.

  6. Q: Does LD2982AM15R require any external components for operation? A: Yes, LD2982AM15R requires an input capacitor and an output capacitor for stability and proper operation.

  7. Q: What is the thermal resistance of LD2982AM15R? A: The thermal resistance of LD2982AM15R is typically around 100°C/W.

  8. Q: Can LD2982AM15R be used in automotive applications? A: Yes, LD2982AM15R can be used in automotive applications as it meets the AEC-Q100 automotive qualification standards.

  9. Q: What is the operating temperature range of LD2982AM15R? A: The operating temperature range of LD2982AM15R is typically between -40°C and 125°C.

  10. Q: Is LD2982AM15R available in different package options? A: Yes, LD2982AM15R is available in various package options, such as SOT-23 and DFN, to suit different application requirements.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for LD2982AM15R.