Monolithic Power Systems Inc.
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MPQ4470GL-Z
Voir les détails DataSheets

MPQ4470GL-Z

Product Overview

Category

MPQ4470GL-Z belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

MPQ4470GL-Z is available in a small outline package (SOP) or a dual flat no-leads (DFN) package.

Essence

The essence of MPQ4470GL-Z lies in its ability to efficiently regulate and control power supply in electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 2.7V - 5.5V
  • Output Voltage Range: 0.6V - 3.3V
  • Maximum Output Current: 1A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching pin
  6. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous rectifier
  • Adjustable output voltage
  • Soft-start function
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide input voltage range allows for versatile applications
  • Compact size enables integration into space-constrained designs
  • Overcurrent and thermal protection enhance device safety

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

MPQ4470GL-Z operates as a step-down (buck) converter. It converts the input voltage to a lower, regulated output voltage using pulse-width modulation (PWM) techniques. The integrated synchronous rectifier improves efficiency by reducing power loss during switching.

Detailed Application Field Plans

MPQ4470GL-Z finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

  1. MPQ4469GL-Z: Similar specifications and features, lower maximum output current (500mA)
  2. MPQ4480GL-Z: Similar specifications and features, higher maximum output current (1.5A)
  3. MPQ4456GL-Z: Similar specifications and features, lower switching frequency (600kHz)

These alternative models provide options based on specific requirements and design considerations.

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Énumérez 10 questions et réponses courantes liées à l'application de MPQ4470GL-Z dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MPQ4470GL-Z in technical solutions:

  1. Question: What is the input voltage range of MPQ4470GL-Z?
    Answer: The input voltage range of MPQ4470GL-Z is typically between 2.7V and 5.5V.

  2. Question: What is the maximum output current that MPQ4470GL-Z can provide?
    Answer: MPQ4470GL-Z can provide a maximum output current of up to 3A.

  3. Question: Can MPQ4470GL-Z operate in both step-up (boost) and step-down (buck) modes?
    Answer: Yes, MPQ4470GL-Z is a versatile DC-DC converter that can operate in both step-up and step-down modes.

  4. Question: Does MPQ4470GL-Z have built-in overcurrent protection?
    Answer: Yes, MPQ4470GL-Z features overcurrent protection to safeguard against excessive load currents.

  5. Question: What is the switching frequency of MPQ4470GL-Z?
    Answer: The switching frequency of MPQ4470GL-Z is typically around 1.2MHz.

  6. Question: Can MPQ4470GL-Z be used in battery-powered applications?
    Answer: Yes, MPQ4470GL-Z is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.

  7. Question: Does MPQ4470GL-Z have thermal shutdown protection?
    Answer: Yes, MPQ4470GL-Z incorporates thermal shutdown protection to prevent overheating.

  8. Question: Can MPQ4470GL-Z operate with an adjustable output voltage?
    Answer: Yes, MPQ4470GL-Z supports adjustable output voltage through external resistors.

  9. Question: Is MPQ4470GL-Z compatible with both ceramic and tantalum output capacitors?
    Answer: Yes, MPQ4470GL-Z is compatible with both ceramic and tantalum output capacitors.

  10. Question: Does MPQ4470GL-Z have a shutdown mode to minimize power consumption?
    Answer: Yes, MPQ4470GL-Z has a shutdown mode that reduces power consumption when not in use.

Please note that these answers are general and may vary depending on the specific application and usage scenario. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.