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LD2980CM50TR
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LD2980CM50TR

Product Overview

Category

The LD2980CM50TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

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

Package

The LD2980CM50TR comes in a small surface-mount package, typically a TO-252 or DPAK package.

Essence

The essence of LD2980CM50TR lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The LD2980CM50TR is usually packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 5V
  • Dropout Voltage: 300mV (typical)
  • Quiescent Current: 50µA (typical)
  • Output Current: Up to 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2980CM50TR has three pins:

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

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 modes.
  • High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
  • Thermal shutdown protection prevents the regulator from overheating and damaging itself or the connected circuitry.
  • Short-circuit current limit protects the regulator and the load from excessive current in case of a short circuit.

Advantages and Disadvantages

Advantages

  • Compact size and surface-mount package make it suitable for space-constrained applications.
  • Wide input voltage range allows for flexibility in various power supply configurations.
  • Low dropout voltage enables efficient power conversion, especially in battery-powered devices.
  • Thermal shutdown protection ensures the safety and longevity of the regulator.

Disadvantages

  • Limited output current capability may not be sufficient for high-power applications.
  • Higher quiescent current compared to some other voltage regulators may impact overall power efficiency in certain scenarios.

Working Principles

The LD2980CM50TR is a linear voltage regulator that operates by using a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD2980CM50TR finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2980CM50TR are: - LM1117-5.0: A popular 5V linear voltage regulator with similar specifications. - LT1763-5: Another low dropout voltage regulator with a 5V output. - NCP1117-5: A cost-effective alternative with comparable performance.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements and availability.

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技術ソリューションにおける LD2980CM50TR 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 LD2980CM50TR in technical solutions:

  1. Q: What is LD2980CM50TR? A: LD2980CM50TR is a low dropout voltage regulator IC that provides a stable output voltage for various electronic applications.

  2. Q: What is the input voltage range supported by LD2980CM50TR? A: The input voltage range supported by LD2980CM50TR is typically between 2.5V and 16V.

  3. Q: What is the output voltage range of LD2980CM50TR? A: LD2980CM50TR can provide a fixed output voltage of 5V.

  4. Q: What is the maximum output current LD2980CM50TR can handle? A: LD2980CM50TR can handle a maximum output current of 50mA.

  5. Q: Is LD2980CM50TR suitable for battery-powered applications? A: Yes, LD2980CM50TR is suitable for battery-powered applications as it has a low dropout voltage and low quiescent current.

  6. Q: Can LD2980CM50TR handle high temperatures? A: Yes, LD2980CM50TR has a wide operating temperature range of -40°C to +125°C, making it suitable for various environments.

  7. Q: Does LD2980CM50TR require any external components for operation? A: Yes, LD2980CM50TR requires a minimum number of external components such as capacitors for stability and filtering.

  8. Q: Can LD2980CM50TR protect against overcurrent or short circuits? A: No, LD2980CM50TR does not have built-in protection against overcurrent or short circuits. External protection circuitry may be required.

  9. Q: Can LD2980CM50TR be used in automotive applications? A: Yes, LD2980CM50TR is suitable for automotive applications as it meets the requirements for automotive voltage regulators.

  10. Q: Is LD2980CM50TR available in different package options? A: Yes, LD2980CM50TR is available in various package options such as SOT-23 and DFN, providing flexibility for different PCB layouts.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of LD2980CM50TR.