PX3540
Description
Graphics Processors Intelligent Point-of-Load (POL) power regulation.
Key Features
- Multiphase power conversion
- 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 pensation
