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Home » NEWEST Products » New by Category » Power » MPQ8632D High Efficiency Step-Down Converters - MPS
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Monolithic Power Systems MPQ8632D High Efficiency Step-Down Converters

Monolithic Power Systems MPQ8632D
High Efficiency Step-Down Converters

Monolithic Power Systems MPQ8632D High Efficiency Step-Down Converters are fully integrated, high frequency, synchronous rectified step-down switch mode converters designed to achieve 4A/6A/8A/10A/12A/15A/20A output current over a wide input supply range with excellent load and line regulation. MPQ8632D's fully integrated protection features include over-current protection, over-voltage protection, and thermal shutdown. Using Constant-On-Time (COT) control mode, MPQ8632D offers a fast transient response and ease loop stabilization. An external resistor programs the operating frequency from 200kHz to 1MHz, and the frequency keeps nearly constant as input supply varies with the feedforward compensation. Though the default under voltage lockout threshold is internally set at 4.1V, a resistor network on the enable pin can increase this threshold. The soft start pin controls the output voltage startup ramp. An open drain power good signal indicates that the output is within nominal voltage range. These features make the MPQ8632D High Efficiency Step-Down Converters well-suited for telecom & networking systems, base stations, servers, personal video recorders, flat panel television & monitors, and distributed power systems.

  • Low Input Voltage Range from 2.5V:
    • 2.5V to 18V with External 5V Bias
    • 4.5V to 18V with Internal Bias
  • Scalable Family of Products for 4A to 20A
    • Output Current Applications
      • 4A/6A/8A/10A/12A Share the Same Footprint
      • 15A/20A Share the Same Footprint, with Slight Change on Power Stage Section from 4A/6A/8A/10A/12A
  • Optimal Low RDS(ON) Internal Power MOSFETs Per Device
  • Proprietary Switching Loss Reduction Technique
  • Adaptive COT for Ultrafast Transient Response
  • 0.5% Reference Voltage Over 0ºC to 70ºC Junction Temperature Range
  • Programmable Soft Start Time
  • Pre-Bias Start up
  • Programmable Switching Frequency from 200kHz to 1MHz
  • Non-latch OCP, OVP and Thermal Shutdown Protection
  • Output Adjustable from 0.611V to 13V

  • Telecom and Networking Systems
  • Base Stations
  • Servers
  • Personal Video Recorders
  • Flat Panel Television and Monitors
  • Distributed Power Systems
Typical Application
Typical Application
  • Monolithic Power Systems (MPS)