Monolithic Power Systems Inc.
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MPQ3425DL-LF-P
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MPQ3425DL-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: DFN-10 (Dual Flat No-Lead)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.6V
  • Maximum Output Current: 1.5A
  • Quiescent Current: 50µA
  • Switching Frequency: 2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MPQ3425DL-LF-P has a total of 10 pins:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. FB: Feedback pin
  4. GND: Ground pin
  5. SW: Switch pin
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin
  8. SS: Soft-start pin
  9. COMP: Compensation pin
  10. NC: No connection pin

Functional Features

  • High efficiency power conversion
  • Low power consumption in standby mode
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout
  • Soft-start function for smooth startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows for versatile applications - Compact package size saves board space - Excellent thermal management ensures reliable operation

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The MPQ3425DL-LF-P is a voltage regulator IC that converts an input voltage into a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency power conversion. The input voltage is stepped down and regulated to the desired output voltage using an internal control circuitry.

The IC incorporates various protection features such as overcurrent protection, thermal shutdown, and under-voltage lockout to ensure safe operation. The soft-start function allows for a gradual increase in output voltage during startup, preventing excessive current flow and voltage overshoot.

Detailed Application Field Plans

The MPQ3425DL-LF-P is commonly used in various applications, including:

  1. Portable electronic devices: Provides efficient power management for smartphones, tablets, and portable media players.
  2. Battery-powered systems: Suitable for use in battery-operated devices, extending battery life through high efficiency conversion.
  3. Industrial equipment: Used in industrial automation systems, motor control, and LED lighting applications.
  4. Automotive electronics: Enables efficient power supply in automotive infotainment systems, lighting modules, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

  1. MPQ3426DL-LF-P: Similar specifications and pin configuration, but with higher maximum output current of 2A.
  2. MPQ3427DL-LF-P: Higher maximum output current of 3A, suitable for more demanding applications.
  3. MPQ3428DL-LF-P: Offers adjustable output voltage range, allowing for greater flexibility in voltage selection.

These alternative models provide options with varying specifications to cater to different application requirements.

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技術ソリューションにおける MPQ3425DL-LF-P 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 MPQ3425DL-LF-P in technical solutions:

  1. Question: What is the MPQ3425DL-LF-P?
    Answer: The MPQ3425DL-LF-P is a high-efficiency, synchronous step-down converter designed for various applications.

  2. Question: What is the input voltage range of the MPQ3425DL-LF-P?
    Answer: The MPQ3425DL-LF-P has an input voltage range of 4.5V to 18V.

  3. Question: What is the output voltage range of the MPQ3425DL-LF-P?
    Answer: The MPQ3425DL-LF-P can provide an adjustable output voltage range from 0.6V to 5.5V.

  4. Question: What is the maximum output current of the MPQ3425DL-LF-P?
    Answer: The MPQ3425DL-LF-P can deliver up to 2A of continuous output current.

  5. Question: Does the MPQ3425DL-LF-P have built-in protection features?
    Answer: Yes, the MPQ3425DL-LF-P includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.

  6. Question: Can the MPQ3425DL-LF-P operate in a wide temperature range?
    Answer: Yes, the MPQ3425DL-LF-P is designed to operate in a temperature range of -40°C to +85°C.

  7. Question: Is the MPQ3425DL-LF-P suitable for battery-powered applications?
    Answer: Yes, the MPQ3425DL-LF-P is highly efficient and can be used in battery-powered applications to maximize battery life.

  8. Question: Does the MPQ3425DL-LF-P support adjustable switching frequency?
    Answer: Yes, the MPQ3425DL-LF-P allows for adjustable switching frequency to optimize performance based on specific requirements.

  9. Question: Can the MPQ3425DL-LF-P be used in automotive applications?
    Answer: Yes, the MPQ3425DL-LF-P is AEC-Q100 qualified and can be used in automotive applications.

  10. Question: What package options are available for the MPQ3425DL-LF-P?
    Answer: The MPQ3425DL-LF-P is available in a compact 3mm x 3mm QFN package for space-constrained designs.

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