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LD2985BM30R
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LD2985BM30R

Product Overview

Category

The LD2985BM30R belongs to the category of voltage regulators.

Use

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

Characteristics

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

Package

The LD2985BM30R comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of LD2985BM30R lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic components.

Packaging/Quantity

The LD2985BM30R 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: 3.0V
  • Dropout Voltage: 300mV @ 100mA
  • Quiescent Current: 50µA
  • Output Current: 150mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD2985BM30R has three pins:

  1. VIN (Input Voltage): Connects to the input voltage source.
  2. GND (Ground): Connected to the ground reference.
  3. VOUT (Output Voltage): Provides the regulated output voltage.

Functional Features

  • Low Dropout Voltage: The LD2985BM30R maintains 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 LD2985BM30R minimizes power consumption when the load is light.
  • High Output Voltage Accuracy: It offers high precision in maintaining the desired output voltage, ensuring stable performance of connected electronic components.
  • Thermal Shutdown Protection: The LD2985BM30R incorporates thermal shutdown protection, preventing damage due to excessive heat.
  • Short-Circuit Current Limit: It features a short-circuit current limit to protect against overcurrent conditions.

Advantages and Disadvantages

Advantages

  • Reliable voltage regulation
  • Low power consumption
  • High output voltage accuracy
  • Thermal protection
  • Short-circuit protection

Disadvantages

  • Limited output current capacity (150mA)

Working Principles

The LD2985BM30R 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. This ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LD2985BM30R 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

  1. LM1117-3.0: A popular alternative with similar specifications and pin configuration.
  2. LT1763-3.0: Offers higher output current capability while maintaining low dropout voltage.
  3. MCP1703-300: Provides a cost-effective solution with comparable performance.

These alternative models can be considered based on specific requirements and design constraints.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2985BM30R in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of LD2985BM30R in technical solutions:

  1. Q: What is LD2985BM30R? A: LD2985BM30R is a low-dropout voltage regulator IC that provides a fixed output voltage of 3.0V.

  2. Q: What is the input voltage range for LD2985BM30R? A: The input voltage range for LD2985BM30R is typically between 2.5V and 16V.

  3. Q: What is the maximum output current LD2985BM30R can handle? A: LD2985BM30R can handle a maximum output current of 150mA.

  4. Q: Can LD2985BM30R be used in battery-powered applications? A: Yes, LD2985BM30R can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.

  5. Q: Does LD2985BM30R require any external components for operation? A: Yes, LD2985BM30R requires an input capacitor and an output capacitor for stable operation.

  6. Q: What is the typical dropout voltage of LD2985BM30R? A: The typical dropout voltage of LD2985BM30R is around 300mV at 150mA load current.

  7. Q: Can LD2985BM30R handle overcurrent or thermal protection? A: Yes, LD2985BM30R has built-in overcurrent and thermal protection features to ensure safe operation.

  8. Q: Is LD2985BM30R suitable for noise-sensitive applications? A: Yes, LD2985BM30R has excellent ripple rejection characteristics, making it suitable for noise-sensitive applications.

  9. Q: Can LD2985BM30R be used in automotive applications? A: Yes, LD2985BM30R is qualified for automotive applications and meets the relevant industry standards.

  10. Q: What package options are available for LD2985BM30R? A: LD2985BM30R is available in various package options, including SOT-23, DPAK, and TO-92.

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