Datasheet Summary
PolyPhase Step-Down Synchronous Slave Controller with
Sub-Milliohm DCR Sensing
Features n Phase Extender for High Phase Count Voltage Rails 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: 4.5V to 38V n VOUT Range: Up to 3.5V (LOWDCR Pin = INTVCC)
Up to 5.5V (LOWDCR Pin = OV) n Proprietary Current Mode Control Loop n Programmable CCM/DCM Operation n Programmable Phase Shift Control n Dual N-Channel MOSFET Gate Drivers n 28-Lead (4mm × 5mm) QFN Package
APPLICATIONS n High Current Distributed Power...
