DESCRIPTION

· The Altera Enpirion EC7401QI is a 4-phase PWM controller designed for microprocessor core voltage regulation.
· It drives up to 4 synchronous-rectified buck channels in parallel, utilizing multiphase buck converter architecture.
· The device features precision RDS(ON) or DCR differential current sensing for accurate load-line programming and channel-current balancing.
· It includes a high bandwidth control loop and ripple frequencies up to >4MHz for optimal transient response.
· The EC7401QI supports VID voltage scaling technology with an 8-bit VID input and operates within a 0.5V to 1.6V range.
· It offers integrated programmable temperature compensation and threshold-sensitive enable function for power sequencing.

FEATURES

· Precision multiphase core voltage regulation with differential remote voltage sensing.
· System accuracy of ±0.5% over life, load, line, and temperature.
· Adjustable precision reference-voltage offset.
· Accurate load-line programming and channel-current balancing.
· 8-bit VID input with selectable VR11 code and extended VR10 code at 6.25mV per bit.
· Integrated programmable temperature compensation.
· Threshold-sensitive enable function for power sequencing and VTT enable.
· Overcurrent and overvoltage protection.
· 2-, 3-, or 4-phase operation with adjustable switching frequency up to 1MHz per phase.
· QFN package compliant to JEDEC PUB95 MO-220, Pb-free and RoHS compliant.

APPLICATIONS

· Microprocessor core voltage regulation.
· High-performance computing systems.
· Power management in embedded systems.
· Applications requiring precise voltage regulation and transient response.
· Systems with multiphase buck converter architecture.