PX3544 Description
4-phase Graphics Processor Digital Multiphase Controller Product Brief PX3544 Applications Graphics Processors Intelligent Point-of-Load (POL) power regulation.
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
- Supports up to three 12V supplies with phase mapping