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MIC5249-2.8YMM

MIC5249-2.8YMM

Product Overview

Category

MIC5249-2.8YMM belongs to the category of voltage regulators.

Use

It is commonly used to regulate voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output accuracy
  • Low quiescent current
  • Thermal shutdown protection

Package

MIC5249-2.8YMM comes in a small SOT-23 package.

Essence

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

Packaging/Quantity

It is typically packaged in reels, with each reel containing 3000 units of MIC5249-2.8YMM.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage: 2.8V
  • Dropout Voltage: 150mV at 150mA
  • Quiescent Current: 35µA
  • Line Regulation: 0.1%
  • Load Regulation: 0.2%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5249-2.8YMM 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.
  • High output accuracy provides precise voltage regulation for sensitive electronic components.
  • Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages

  • Small package size allows for space-saving integration into compact designs.
  • Wide input voltage range enables compatibility with various power sources.
  • Excellent line and load regulation ensures stable output voltage under different operating conditions.

Disadvantages

  • Limited output voltage options restrict its use in applications requiring different voltage levels.
  • SOT-23 package may not be suitable for high-power applications due to thermal limitations.

Working Principles

MIC5249-2.8YMM utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. The input voltage is compared to the desired output voltage, and the pass transistor adjusts accordingly to maintain a constant output voltage.

Detailed Application Field Plans

MIC5249-2.8YMM finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered IoT devices

Detailed and Complete Alternative Models

  1. MIC5205-2.8YM5: Similar voltage regulator with a slightly lower dropout voltage.
  2. LP2985-2.8: Voltage regulator with comparable specifications and package size.
  3. LT1763-2.8: High-performance voltage regulator with lower quiescent current and wider input voltage range.

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

In conclusion, MIC5249-2.8YMM is a voltage regulator that provides stable and regulated voltage output for various electronic applications. Its low dropout voltage, high output accuracy, and low quiescent current make it an ideal choice for power-sensitive devices. However, its limited output voltage options and thermal limitations should be taken into consideration during the design process.

技術ソリューションにおける MIC5249-2.8YMM 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 MIC5249-2.8YMM in technical solutions:

  1. Q: What is MIC5249-2.8YMM? A: MIC5249-2.8YMM is a low-dropout (LDO) voltage regulator IC manufactured by Microchip Technology. It provides a fixed output voltage of 2.8V.

  2. Q: What is the input voltage range for MIC5249-2.8YMM? A: The input voltage range for MIC5249-2.8YMM is typically between 2.5V and 16V.

  3. Q: What is the maximum output current of MIC5249-2.8YMM? A: The maximum output current of MIC5249-2.8YMM is 150mA.

  4. Q: What is the dropout voltage of MIC5249-2.8YMM? A: The dropout voltage of MIC5249-2.8YMM is typically 200mV at 150mA load.

  5. Q: Can MIC5249-2.8YMM be used in battery-powered applications? A: Yes, MIC5249-2.8YMM can be used in battery-powered applications as it has a low quiescent current of typically 35µA.

  6. Q: Does MIC5249-2.8YMM have built-in thermal shutdown protection? A: Yes, MIC5249-2.8YMM has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can MIC5249-2.8YMM operate in a wide temperature range? A: Yes, MIC5249-2.8YMM can operate in a temperature range of -40°C to +125°C.

  8. Q: Is MIC5249-2.8YMM available in a surface-mount package? A: Yes, MIC5249-2.8YMM is available in a 5-pin SOT-23 package, which is a surface-mount package.

  9. Q: Can MIC5249-2.8YMM be used in noise-sensitive applications? A: Yes, MIC5249-2.8YMM has excellent power supply rejection ratio (PSRR) and is suitable for noise-sensitive applications.

  10. Q: Are there any application notes or reference designs available for MIC5249-2.8YMM? A: Yes, Microchip Technology provides application notes and reference designs that can help with the implementation of MIC5249-2.8YMM in various technical solutions.

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