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LD2982BM50R
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LD2982BM50R

Product Overview

Category

The LD2982BM50R 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 LD2982BM50R comes in a small surface-mount package.

Essence

The essence of LD2982BM50R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The LD2982BM50R 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: 5V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 75µA
  • Output Current: 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2982BM50R has three pins:

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

Functional Features

  • Low Dropout Voltage: The LD2982BM50R exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
  • Low Quiescent Current: With a low quiescent current, the LD2982BM50R minimizes power consumption when the load is light or idle.
  • High Output Voltage Accuracy: This voltage regulator provides high output voltage accuracy, ensuring precise and reliable voltage regulation.
  • Thermal Shutdown Protection: The LD2982BM50R incorporates thermal shutdown protection, preventing damage due to excessive temperature.
  • Short-Circuit Current Limit: It features a short-circuit current limit, protecting the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Low dropout voltage for efficient regulation
  • Low quiescent current for reduced power consumption
  • High output voltage accuracy for precise regulation
  • Thermal shutdown protection for enhanced reliability
  • Short-circuit current limit for added safety

Disadvantages

  • Limited output current capacity (100mA)
  • Restricted input voltage range (2.5V - 16V)

Working Principles

The LD2982BM50R 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. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LD2982BM50R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2982BM50R are: - LM1117-5.0 - LT1763-5.0 - MCP1700-500

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD2982BM50R v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD2982BM50R in technical solutions:

  1. Q: What is LD2982BM50R? A: LD2982BM50R is a low-dropout voltage regulator IC that provides a fixed output voltage of 5.0V.

  2. Q: What is the input voltage range for LD2982BM50R? A: The input voltage range for LD2982BM50R is typically between 6.5V and 20V.

  3. Q: What is the maximum output current LD2982BM50R can handle? A: LD2982BM50R can handle a maximum output current of 50mA.

  4. Q: Can LD2982BM50R be used in battery-powered applications? A: Yes, LD2982BM50R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Is LD2982BM50R suitable for automotive applications? A: Yes, LD2982BM50R is suitable for automotive applications as it can withstand high temperatures and has built-in protection features.

  6. Q: Does LD2982BM50R require any external components for operation? A: Yes, LD2982BM50R requires a minimum of two external capacitors for stability and proper operation.

  7. Q: Can LD2982BM50R handle short-circuit conditions? A: Yes, LD2982BM50R has built-in short-circuit protection that shuts down the output to prevent damage.

  8. Q: What is the typical dropout voltage of LD2982BM50R? A: The typical dropout voltage of LD2982BM50R is around 0.4V at 50mA load current.

  9. Q: Can LD2982BM50R be used in low-power applications? A: Yes, LD2982BM50R is suitable for low-power applications as it has a low quiescent current of typically 75µA.

  10. Q: Is LD2982BM50R available in different package options? A: Yes, LD2982BM50R is available in various package options, including SOT-23 and DFN, to suit different application requirements.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application conditions.