Monolithic Power Systems Inc.
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MP8903DG-3.3-LF-P
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MP8903DG-3.3-LF-P

Product Overview

Category

MP8903DG-3.3-LF-P belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize the output voltage.

Characteristics

  • Voltage regulation: The MP8903DG-3.3-LF-P provides a stable output voltage of 3.3V.
  • Efficiency: It offers high efficiency, ensuring minimal power loss during operation.
  • Low dropout voltage: The regulator maintains a low dropout voltage, enabling it to operate even when the input voltage is close to the desired output voltage.
  • Thermal protection: The MP8903DG-3.3-LF-P incorporates thermal protection mechanisms to prevent overheating.

Package

The MP8903DG-3.3-LF-P comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

The essence of MP8903DG-3.3-LF-P lies in its ability to provide a stable and regulated output voltage, ensuring reliable performance of electronic devices.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 4.5V - 28V
  • Output Voltage: 3.3V
  • Output Current: Up to 1A
  • Dropout Voltage: 200mV (typical)
  • Quiescent Current: 100µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP8903DG-3.3-LF-P has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. VOUT (Output Voltage)

Functional Features

  • Voltage Regulation: The MP8903DG-3.3-LF-P maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
  • Current Limiting: It incorporates current limiting mechanisms to protect the device and connected components from excessive current.
  • Short Circuit Protection: The regulator is equipped with short circuit protection, preventing damage in case of a short circuit.
  • Low Power Consumption: The MP8903DG-3.3-LF-P consumes minimal power during operation, maximizing energy efficiency.

Advantages and Disadvantages

Advantages

  • High efficiency ensures minimal power loss.
  • Compact package suitable for space-constrained applications.
  • Thermal protection prevents overheating.
  • Stable output voltage guarantees reliable performance.

Disadvantages

  • Limited output current capacity (up to 1A).
  • Input voltage range may not be suitable for all applications.

Working Principles

The MP8903DG-3.3-LF-P operates based on the principle of voltage regulation using a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage of 3.3V. This ensures that the connected electronic devices receive a consistent and regulated power supply.

Detailed Application Field Plans

The MP8903DG-3.3-LF-P finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wireless communication devices - IoT devices

Detailed and Complete Alternative Models

  1. MP8903DG-5.0-LF-P: Similar to MP8903DG-3.3-LF-P, but provides a regulated output voltage of 5.0V.
  2. MP8903DG-2.5-LF-P: Similar to MP8903DG-3.3-LF-P, but provides a regulated output voltage of 2.5V.
  3. MP8903DG-ADJ-LF-P: Adjustable version allowing the user to set the desired output voltage within a specified range.

These alternative models offer similar functionality with varying output voltage options, catering to different application requirements.

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רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של MP8903DG-3.3-LF-P בפתרונות טכניים

Sure! Here are 10 common questions and answers related to the application of MP8903DG-3.3-LF-P in technical solutions:

  1. Q: What is the MP8903DG-3.3-LF-P? A: The MP8903DG-3.3-LF-P is a specific model of voltage regulator IC (integrated circuit) designed for use in technical solutions.

  2. Q: What is the input voltage range of the MP8903DG-3.3-LF-P? A: The MP8903DG-3.3-LF-P has an input voltage range of typically 4.5V to 28V.

  3. Q: What is the output voltage of the MP8903DG-3.3-LF-P? A: The MP8903DG-3.3-LF-P provides a fixed output voltage of 3.3V.

  4. Q: What is the maximum output current of the MP8903DG-3.3-LF-P? A: The MP8903DG-3.3-LF-P can deliver a maximum output current of up to 3A.

  5. Q: Is the MP8903DG-3.3-LF-P suitable for battery-powered applications? A: Yes, the MP8903DG-3.3-LF-P is suitable for battery-powered applications as it can efficiently regulate the voltage from a wide input voltage range.

  6. Q: Does the MP8903DG-3.3-LF-P have built-in protection features? A: Yes, the MP8903DG-3.3-LF-P includes over-current protection, thermal shutdown, and under-voltage lockout features for enhanced reliability.

  7. Q: Can I use the MP8903DG-3.3-LF-P in automotive applications? A: Yes, the MP8903DG-3.3-LF-P is designed to meet automotive-grade requirements and can be used in automotive applications.

  8. Q: What is the efficiency of the MP8903DG-3.3-LF-P? A: The MP8903DG-3.3-LF-P has a high efficiency of typically 90% or higher, which helps minimize power losses.

  9. Q: Can I use the MP8903DG-3.3-LF-P in industrial control systems? A: Yes, the MP8903DG-3.3-LF-P is suitable for various industrial control systems that require a stable and regulated power supply.

  10. Q: Are there any recommended external components for using the MP8903DG-3.3-LF-P? A: Yes, the datasheet of the MP8903DG-3.3-LF-P provides a list of recommended external components such as input/output capacitors and resistors for optimal performance.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.