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UCD9224 - Digital PWM System Controller

Description

The UCD9224 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications.

This device integrates dedicated circuitry for DC/DC loop management with flash memory and a serial interface to support configurability, monitoring and management.

Features

  • 1.
  • 2 Fully Configurable Multi-Output and MultiPhase Non-Isolated DC/DC PWM Controller.
  • Controls Up to 2 Voltage Rails and Up to 4 Phases.
  • Supports Switching Frequencies Up to 2MHz with 250 ps Duty-Cycle Resolution.
  • Up To 1mV Closed Loop Resolution.
  • Hardware-Accelerated, 3-Pole/3-Zero Compensator with Non-Linear Gain for Improved Transient Performance.
  • Supports Multiple Soft-Start and Soft-Stop Configurations Including Prebias Start-up.

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