Monolithic Power Systems Inc.
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MP2358DQ-LF-P
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MP2358DQ-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: QFN (Quad Flat No-leads)
  • Essence: Step-down DC-DC converter
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 0.6V to 18V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2358DQ-LF-P has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SS/TR: Soft-start/Tracking pin
  6. PGND: Power ground pin
  7. SW: Switching pin
  8. 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 contributes to energy efficiency
  • Soft-start and tracking functionality for smooth operation

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for integration in small devices
  • Wide input voltage range provides flexibility in various applications
  • Soft-start feature prevents excessive inrush current
  • Tracking capability ensures stable output voltage

Disadvantages

  • Limited maximum output current of 3A may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

The MP2358DQ-LF-P is a step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to efficiently regulate the output voltage. The integrated circuit incorporates a control loop that adjusts the duty cycle of the internal power switch to maintain the desired output voltage.

Detailed Application Field Plans

The MP2358DQ-LF-P is commonly used in various applications, including:

  1. Portable electronic devices: Powering smartphones, tablets, and portable gaming consoles.
  2. Industrial equipment: Providing power for sensors, actuators, and control systems.
  3. Automotive electronics: Supporting infotainment systems, lighting, and motor control.
  4. IoT devices: Enabling efficient power management in connected devices.
  5. Home appliances: Powering smart home devices, such as thermostats and security systems.

Detailed and Complete Alternative Models

  1. MP2307DN-LF-Z: Step-down DC-DC converter with similar specifications and package.
  2. MP1584EN-C165-LF-Z: Buck converter with adjustable output voltage and compact size.
  3. MP2459GJ-LF-Z: Synchronous step-down converter with high efficiency and wide input voltage range.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MP2358DQ-LF-P v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MP2358DQ-LF-P in technical solutions:

  1. Question: What is the input voltage range for MP2358DQ-LF-P?
    Answer: The input voltage range for MP2358DQ-LF-P is typically between 4.5V and 24V.

  2. Question: What is the maximum output current that MP2358DQ-LF-P can handle?
    Answer: MP2358DQ-LF-P can handle a maximum output current of up to 3A.

  3. Question: Can MP2358DQ-LF-P be used for step-down (buck) voltage conversion?
    Answer: Yes, MP2358DQ-LF-P is specifically designed for step-down voltage conversion applications.

  4. Question: What is the efficiency of MP2358DQ-LF-P?
    Answer: MP2358DQ-LF-P has a high efficiency of up to 95%, making it suitable for power-sensitive applications.

  5. Question: Does MP2358DQ-LF-P have built-in overcurrent protection?
    Answer: Yes, MP2358DQ-LF-P features overcurrent protection to safeguard against excessive current draw.

  6. Question: Can MP2358DQ-LF-P operate in a wide temperature range?
    Answer: Yes, MP2358DQ-LF-P has a wide operating temperature range of -40°C to +85°C.

  7. Question: Is MP2358DQ-LF-P suitable for battery-powered applications?
    Answer: Yes, MP2358DQ-LF-P is ideal for battery-powered applications due to its low quiescent current and high efficiency.

  8. Question: Does MP2358DQ-LF-P have adjustable output voltage?
    Answer: Yes, MP2358DQ-LF-P allows for adjustable output voltage through external resistors.

  9. Question: Can MP2358DQ-LF-P handle input voltage fluctuations?
    Answer: Yes, MP2358DQ-LF-P has excellent line and load regulation, making it capable of handling input voltage fluctuations.

  10. Question: Is MP2358DQ-LF-P suitable for automotive applications?
    Answer: Yes, MP2358DQ-LF-P is AEC-Q100 qualified, making it suitable for automotive applications that require high reliability and performance.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.