Meixin Integrated
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MAX1853EXT
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MAX1853EXT

Product Overview

  • Category: Voltage Regulator
  • Use: Step-Down DC-DC Converter
  • Characteristics: High efficiency, low quiescent current, wide input voltage range
  • Package: 6-pin SOT23
  • Essence: Power management IC
  • Packaging/Quantity: Tape & Reel (3000 units)

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 85% of VIN
  • Output Current: Up to 600mA
  • Quiescent Current: 38µA
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

  1. GND
  2. FB (Feedback)
  3. SW (Switch)
  4. EN (Enable)
  5. LX (Inductor Connection)
  6. VIN (Input Voltage)

Functional Features

  • Integrated synchronous rectifier for high efficiency
  • Low dropout voltage
  • Overcurrent and thermal shutdown protection
  • Soft-start feature to reduce inrush current

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency minimizes power loss
  • Small package size for space-constrained designs

Disadvantages

  • Limited output current compared to some competing models
  • Higher cost compared to non-synchronous rectifier regulators

Working Principles

The MAX1853EXT is a step-down DC-DC converter that uses a synchronous rectifier to achieve high efficiency. The input voltage is stepped down to the desired output voltage with minimal power loss, making it suitable for battery-powered applications.

Application Field Plans

  • Battery-powered devices such as portable electronics and IoT devices
  • Industrial automation systems
  • Automotive electronics

Alternative Models

  • MAX1854: Higher output current capability
  • MAX1855: Lower cost, non-synchronous rectifier design
  • MAX1856: Adjustable output voltage option

This comprehensive entry provides an in-depth understanding of the MAX1853EXT, covering its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける MAX1853EXT 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 MAX1853EXT:

  1. Q: What is the input voltage range for MAX1853EXT? A: The input voltage range for MAX1853EXT is 4.5V to 28V.

  2. Q: What is the maximum output current of MAX1853EXT? A: The maximum output current of MAX1853EXT is 500mA.

  3. Q: Can MAX1853EXT be used in automotive applications? A: Yes, MAX1853EXT is suitable for automotive applications.

  4. Q: Does MAX1853EXT have built-in overcurrent protection? A: Yes, MAX1853EXT features built-in overcurrent protection.

  5. Q: What is the typical efficiency of MAX1853EXT? A: The typical efficiency of MAX1853EXT is around 90%.

  6. Q: Is MAX1853EXT suitable for battery-powered applications? A: Yes, MAX1853EXT is well-suited for battery-powered applications.

  7. Q: Can MAX1853EXT operate at high temperatures? A: Yes, MAX1853EXT can operate at temperatures up to 125°C.

  8. Q: What type of package does MAX1853EXT come in? A: MAX1853EXT is available in a 6-pin SOT23 package.

  9. Q: Does MAX1853EXT require external compensation components? A: No, MAX1853EXT does not require external compensation components.

  10. Q: What is the typical switching frequency of MAX1853EXT? A: The typical switching frequency of MAX1853EXT is 300kHz.

These questions and answers should provide a good overview of the key aspects of using MAX1853EXT in technical solutions.