UCD9220 www.
ti.
com SLUS904 – MARCH 2009 Digital PWM System Controller Check for Samples: UCD9220 FEATURES 1 •2 Fully Configurable Multi-Output and MultiPhase Non-Isolated DC/DC PWM Controller • Controls Up To Two Voltage Rails and Up To Four 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 • Supports Voltage Tracking, Margining and Sequencing • Supports Current and Temperature Balancing for Multi-Phase Power Stages • Supports Ph...

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