Datasheet Summary
PolyPhase Step-Down Synchronous Slave Controller with
Sub-Milliohm DCR Sensing
Features n Phase Extender for High Phase Count Voltage Rails n Operates with Power Blocks, DrMOS or External
Gate Drivers and MOSFETs n Accurate Phase-to-Phase Current Sharing n Sub-Milliohm DCR Current Sensing n Phase-Lockable Fixed Frequency 250kHz to 1MHz n Immediate Response to Master IC's Fault n Up to 12-Phase Operation n Wide VIN Range: 4.5 to 38V n VOUT Range : Up to 3.5V (LOWDCR Pin High)
Up to 5.5V (LOWDCR Pin Low) n Proprietary Current Mode Control Loop n Programmable CCM/DCM Operation n Programmable Phase Shift Control n 24-Lead (4mm × 4mm) QFN Package
Applications n High Current...