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LD2982AM285R
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LD2982AM285R

Product Overview

Category

LD2982AM285R belongs to the category of voltage regulators.

Use

This product 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 LD2982AM285R comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of LD2982AM285R lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The LD2982AM285R is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The LD2982AM285R has three pins:

  1. VIN (Input Voltage): This pin is connected to the input voltage source.
  2. VOUT (Output Voltage): This pin provides the regulated output voltage.
  3. GND (Ground): This pin is connected to the ground reference.

Functional Features

  • Low Dropout Voltage: The LD2982AM285R 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, this voltage regulator minimizes power consumption during standby or idle conditions.
  • High Output Voltage Accuracy: The LD2982AM285R offers high output voltage accuracy, ensuring precise and stable voltage regulation.
  • Thermal Shutdown Protection: In case of excessive temperature, the regulator shuts down to prevent damage.
  • Short-Circuit Current Limit: The LD2982AM285R incorporates a short-circuit current limit feature to protect the circuit from excessive current flow.

Advantages and Disadvantages

Advantages

  • Efficient voltage regulation
  • Low power consumption
  • Accurate and stable output voltage
  • Thermal protection
  • Short-circuit protection

Disadvantages

  • Limited output current capacity (up to 50mA)
  • Restricted input voltage range (2.5V to 16V)

Working Principles

The LD2982AM285R operates based on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The LD2982AM285R finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD2982AM285R are: - LM1117-2.85 - LT1763-2.85 - MCP1702-2.85 - TS2950-2.85

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD2982AM285R v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD2982AM285R in technical solutions:

  1. Q: What is LD2982AM285R? A: LD2982AM285R 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 LD2982AM285R? A: The input voltage range for LD2982AM285R is typically between 2.5V and 16V.

  3. Q: What is the maximum output current of LD2982AM285R? A: LD2982AM285R can provide a maximum output current of 50mA.

  4. Q: Can LD2982AM285R be used in battery-powered applications? A: Yes, LD2982AM285R is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.

  5. Q: Does LD2982AM285R require any external components for operation? A: Yes, LD2982AM285R requires an input capacitor and an output capacitor for stability and proper operation.

  6. Q: What is the dropout voltage of LD2982AM285R? A: The dropout voltage of LD2982AM285R is typically around 300mV at full load.

  7. Q: Is LD2982AM285R protected against overcurrent and thermal shutdown? A: Yes, LD2982AM285R has built-in protection features such as overcurrent and thermal shutdown to ensure safe operation.

  8. Q: Can LD2982AM285R be used in automotive applications? A: Yes, LD2982AM285R is suitable for automotive applications as it meets the necessary requirements for automotive electronics.

  9. Q: What is the operating temperature range of LD2982AM285R? A: The operating temperature range of LD2982AM285R is typically between -40°C and 125°C.

  10. Q: Can LD2982AM285R be used in space-constrained applications? A: Yes, LD2982AM285R comes in a small SOT-23 package, making it suitable for space-constrained applications where size is a concern.

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