• Part: UCD9248
  • Description: Digital PWM System Controller
  • Manufacturer: Texas Instruments
  • Size: 1.49 MB
UCD9248 Datasheet (PDF) Download
Texas Instruments
UCD9248

Description

The UCD9248 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications.

Key Features

  • 2 Fully Configurable Multi-Output and MultiPhase Non-Isolated DC/DC PWM Controller
  • Controls Up to 4 Voltage Rails and Up to 8 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 pensator 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 Phase Adding/Shedding for MultiPhase Power Stages
  • Sync In/Out Pins Align DPWM Clocks Between Multiple UCD92xx Devices

Applications

  • Networking Equipment