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UCD9244-EP - Digital PWM System Controller

General Description

The UCD9244 is a four-rail synchronous buck digital PWM controller designed for non-isolated DC/DC power applications.

This device integrates dedicated circuitry for DC/DC loop management with support for up to four VID interfaces.

Key Features

  • 1 Fully Configurable Four-Output Non-Isolated DC/DC PWM Controller with support for TMS320C6670™ and TMS320C6678™ DSP VID interface.
  • 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 Vo.

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Full PDF Text Transcription for UCD9244-EP (Reference)

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Product Folder Order Now Technical Documents Tools & Software Support & Community UCD9244-EP SLVSC86A – JANUARY 2014 – REVISED MARCH 2014 UCD9244-EP Digital PWM System Co...

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A – JANUARY 2014 – REVISED MARCH 2014 UCD9244-EP Digital PWM System Controller with 4-Bit, 6-Bit, or 8-Bit VID Support 1 Features •1 Fully Configurable Four-Output Non-Isolated DC/DC PWM Controller with support for TMS320C6670™ and TMS320C6678™ DSP VID interface • 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 Margining and Sequencing • Sync In Termina

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