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DC-DC Buck Controllers With External Switch

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Voltage-Mode and Current-Mode Topologies to Support Diverse Power Circuits

A buck controller integrated circuit (IC) controls the operation of a buck (step-down) DC-DC converter.

DC-DC Buck Controllers

Pulse-Width Modulation (PWM) Buck Controllers

A PWM analog controller is a device used to control the power supplied to electrical devices, particularly in applications like motor control and power supplies.

Parametrics

COT or Adaptive On-Time Buck Controllers

  • A Constant On-Time (COT) analog controller regulates output voltage by maintaining a constant on-time for the switching transistor.
  • An adaptive on-time control method allows the controller to adjust the on-time period dynamically based on the input and output conditions.
Parametrics

Design Resources

MPLAB Analog Designer

MPLAB® Analog Designer

This tool provides design suggestions for common circuit needs, estimates performance for common modifications, and can export to MPLAB® Mindi™ Analog Simulator for verification.

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MPLAB Mindi Analog Simulator

MPLAB® Mindi™ Analog Simulator

This simulation tool uses a SIMetrix/SIMPLIS environment to model circuit behavior, reducing design time with software debugging for initial design verification.

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MicroCHECK Design Service

MicroCHECK Design Service

Our complimentary MicroCHECK design review service, which offers insight from the initial concept to the final PCB layout, is available to customers who are using our products in their projects.

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