设计、搭建、测试
图示的电路板已装配完成且经过测试。

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设计资源

设计与集成文件

  • Schematic
  • PCB Layout
  • Bill of Materials
  • Tools & Models
下载设计文件 1.41 M

描述

The MAX17506 is a high-efficiency switching regulator that delivers up to 5A load current at output voltages from 0.9V to (0.9 x VIN). The device integrates the highside MOSFET and operates over 4.5V to 60V, making it ideal for on-board point-of load and post-regulation applications.

The device features a peak current-mode control architecture. Built-in compensation across the output voltage range eliminates the need for external compensation components. The feedback regulation accuracy over -40°C to +125°C is ±1.4%.

Output overload hiccup protection and cycle-by-cycle peak-current limit provide for ultra-safe operation in short-circuit conditions.

In this document a step-down DC-DC converter using the MAX17506 is demonstrated for a 12V output application. The power supply delivers up to 5A at 12V.

优势和特点

  • No Schottky-Synchronous Operation
  • Internal Compensation for Any Output Voltage
  • Built-In Soft-Start
  • 100kHz to 2.2MHz Adjustable Switching Frequency
  • 3.5μA Shutdown Current
  • Hiccup or Latchoff Mode Overload Protection
  • Programmable EN/UVLO Threshold
  • Overtemperature Protection

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