• Part: PX3544
  • Description: 4-phase Graphics Processor Digital Multiphase Controller
  • Manufacturer: Primarion
  • Size: 147.64 KB
PX3544 Datasheet (PDF) Download
Primarion
PX3544

Key Features

  • Multiphase power conversion - 1- to 4-phase operation
  • 100 kHz to 2 MHz switching frequency
  • Internal high precision voltage reference - ±12.4mV voltage setpoint accuracy
  • Startup and maximum voltages set through external resistor
  • 2-bit VID input for additional voltage control
  • Driver detect prior to soft-start disables unpopulated phases
  • Autonomous or user controlled phase dropping based on current balance and 12V supply faults
  • Supports up to three 12V supplies with phase mapping
  • Precise digital current balancing with programmable offsets for thermal balancing
  • Digitally programmable loadline and loop compensation