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Microchip MIC2127A Synchronous Buck Controller

Microchip MIC2127A Synchronous Buck Controller

Microchip MIC2127A Synchronous Buck Controller is a constant-frequency synchronous buck controller with a unique adaptive on-time control architecture. The MIC2127A operates over an input voltage range from 4.5V-75V. The output voltage is adjustable down to 0.6V with an accuracy of ±1%. The device operates with programmable switching frequency from 270kHz-800kHz.

Features
  • Hyper Speed Control® Architecture Enables: High Input to Output Voltage Conversion Ratio Capability
  • Any Capacitor™ Stable
  • Ultrafast Load Transient Response
  • Wide 4.5-75V Input Voltage Range
  • Adjustable Output Voltage from 0.6V to 30V
  • 270-800kHz Programmable Switching Frequency
  • Built-In 5V Regulator for Single-Supply Operation
  • Auxiliary Bootstrap LDO for Improving System Efficiency
  • Internal Bootstrap Diode

  • Selectable Light Load Operating Mode
  • Enable Input and Power Good Output
  • Programmable Current Limit
  • Hiccup Mode Short-Circuit Protection
  • Soft Start, Internal Compensation and Thermal Shutdown
  • Supports Safe Start-Up into a Prebiased Output

Applications
  • Networking/Telecom Equipment
  • Base Station, Servers
  • Distributed Power Systems
  • Industrial Power Supplies
Block Diagram
Block Diagram
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เผยแพร่แล้ว: 2561-02-28 | อัปเดตแล้ว: 2561-02-28