IR3529 - International Rectifier

IR3529 XPHASE3 PHASE

The IR3529 Phase IC combined with an IR XPhase3 Control IC provides a full featured and flexible way to implement power solutions for the latest high performance CPUs and ASICs. The “Control” IC provides overall system control and interfaces with any number of “Phase” ICs which each drive and monitor a single phase of a TM multiphase converter. The XPhase3 a.

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• Reduced dead time 7V gate drivers (6A GATEL sink current, 4A GATEH sink current) Turbo Mode load turn-on response enhancement Programmable cycle-by-cycle over current limit protection Phase status communicated to control IC for controlled phase timing during PSI and Phase Shedding Power State Indicator (PSI) interface provides the capability to maximize the efficiency at light loads. Anti-bias circuitry Support converter output voltage up to 5.1 V (Limited to VCCL-1.8V) Loss-less inductor current sensing Phase delay DFF bypassed during PSI assertion mo.