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LD2980CU18TR
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LD2980CU18TR

Product Overview

Category

LD2980CU18TR 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

LD2980CU18TR comes in a small surface-mount package.

Essence

The essence of LD2980CU18TR is to provide stable and regulated voltage output.

Packaging/Quantity

LD2980CU18TR is typically packaged in reels and available in quantities of 3000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 1.8V
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 50µA
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD2980CU18TR has the following pin configuration:

  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 package size
  • Protection features for enhanced reliability

Disadvantages

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

Working Principles

LD2980CU18TR operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the current flow through it. The internal circuitry ensures that the output voltage remains constant despite variations in the input voltage and load conditions.

Detailed Application Field Plans

LD2980CU18TR 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 replacements for LD2980CU18TR include: - LM1117-1.8 - MCP1702-1802 - TS2937CX-1.8

These alternatives offer similar functionality and specifications, providing options for different design requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LD2980CU18TR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LD2980CU18TR in technical solutions:

  1. Q: What is LD2980CU18TR? A: LD2980CU18TR is a low-dropout voltage regulator IC that provides a fixed output voltage of 1.8V.

  2. Q: What is the input voltage range for LD2980CU18TR? A: The input voltage range for LD2980CU18TR is typically between 2.5V and 16V.

  3. Q: What is the maximum output current of LD2980CU18TR? A: LD2980CU18TR can provide a maximum output current of 50mA.

  4. Q: Is LD2980CU18TR suitable for battery-powered applications? A: Yes, LD2980CU18TR is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Can LD2980CU18TR handle input voltage fluctuations? A: Yes, LD2980CU18TR has built-in protection features like thermal shutdown and current limit, which help it handle input voltage fluctuations.

  6. Q: Does LD2980CU18TR require any external components for operation? A: Yes, LD2980CU18TR requires a minimum of two external capacitors for stability and proper operation.

  7. Q: What is the typical dropout voltage of LD2980CU18TR? A: The typical dropout voltage of LD2980CU18TR is around 300mV at 50mA load.

  8. Q: Can LD2980CU18TR operate in high-temperature environments? A: Yes, LD2980CU18TR has a wide operating temperature range of -40°C to 125°C, making it suitable for high-temperature environments.

  9. Q: Is LD2980CU18TR available in different package options? A: Yes, LD2980CU18TR is available in various package options, including SOT-23 and DFN.

  10. Q: What are some typical applications of LD2980CU18TR? A: LD2980CU18TR is commonly used in battery-powered devices, IoT applications, portable electronics, and other low-power systems requiring a stable 1.8V voltage supply.

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