Monolithic Power Systems Inc.
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MP28490DN-LF-Z
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MP28490DN-LF-Z

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: DFN (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
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP28490DN-LF-Z has the following 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

  • Wide input voltage range allows for versatile applications
  • High efficiency ensures minimal power loss
  • Compact size enables space-saving designs
  • Low power consumption enhances energy efficiency
  • Enable pin provides control over device operation
  • Feedback pin allows for precise output voltage regulation

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power dissipation
  • Compact size facilitates integration into small form factor devices
  • Wide input voltage range accommodates various power sources
  • Low power consumption extends battery life
  • Precise output voltage regulation ensures stable performance

Disadvantages

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

Working Principles

The MP28490DN-LF-Z is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and 3.6V. It utilizes a switching mechanism to efficiently step down the input voltage while maintaining a stable output voltage. The device employs various control techniques to achieve high efficiency and low power consumption.

Detailed Application Field Plans

The MP28490DN-LF-Z is commonly used in the following applications:

  1. Portable electronic devices: Provides power management for smartphones, tablets, and portable media players.
  2. IoT (Internet of Things) devices: Enables efficient power supply for connected devices such as smart home sensors and wearable devices.
  3. Battery-powered systems: Regulates voltage for battery-operated devices, extending battery life.
  4. Industrial equipment: Facilitates power management in industrial automation systems and control modules.
  5. Automotive electronics: Supports voltage regulation in automotive infotainment systems, lighting modules, and other vehicle electronics.

Detailed and Complete Alternative Models

  1. MP28390DN-LF-Z: Similar specifications and features, but with a higher maximum output current of 2A.
  2. MP28590DN-LF-Z: Comparable characteristics, but offers a wider input voltage range from 2.5V to 5.5V.
  3. MP28690DN-LF-Z: Alternative model with enhanced thermal performance for high-temperature environments.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MP28490DN-LF-Z i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of MP28490DN-LF-Z in technical solutions:

  1. Q: What is MP28490DN-LF-Z? A: MP28490DN-LF-Z is a specific model of power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of MP28490DN-LF-Z? A: Some key features of MP28490DN-LF-Z include multiple voltage regulators, high efficiency, low quiescent current, and protection features like overcurrent and thermal shutdown.

  3. Q: What technical solutions can MP28490DN-LF-Z be used in? A: MP28490DN-LF-Z can be used in a wide range of applications such as portable devices, IoT devices, consumer electronics, and industrial equipment.

  4. Q: How many voltage regulators does MP28490DN-LF-Z have? A: MP28490DN-LF-Z has multiple voltage regulators, typically including a buck converter and LDOs (low-dropout regulators).

  5. Q: What is the efficiency of MP28490DN-LF-Z? A: MP28490DN-LF-Z offers high efficiency, typically above 90%, which helps to minimize power loss and maximize battery life.

  6. Q: Does MP28490DN-LF-Z have any protection features? A: Yes, MP28490DN-LF-Z includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Q: Can MP28490DN-LF-Z operate with a wide input voltage range? A: Yes, MP28490DN-LF-Z is designed to operate with a wide input voltage range, typically from 2.7V to 5.5V.

  8. Q: What is the output voltage range of MP28490DN-LF-Z? A: The output voltage range of MP28490DN-LF-Z depends on the specific configuration and can be adjusted according to the application requirements.

  9. Q: Is MP28490DN-LF-Z easy to integrate into a circuit design? A: Yes, MP28490DN-LF-Z is available in a compact package and offers a simple interface, making it relatively easy to integrate into circuit designs.

  10. Q: Where can I find more information about MP28490DN-LF-Z? A: You can find more detailed information about MP28490DN-LF-Z in the datasheet provided by the manufacturer or by contacting their technical support team.