LTC3874
Overview
The LTC®3874 is a dual PolyPhase® current mode synchronous step-down slave controller. It enables high current, multi-phase applications when paired with a companion master controller by extending the phase count.
- Phase Extender for High Phase Count Voltage Rails
- Accurate Phase-to-Phase Current Sharing
- Sub-Milliohm DCR Current Sensing
- Phase-Lockable Fixed Frequency 250kHz to 1MHz
- Immediate Response to Master IC's Fault
- Up to 12 Phase Operation
- Wide VIN Range: 4.5V to 38V
- VOUT Range: Up to 3.5V (LOWDCR Pin = INTVCC) Up to 5.5V (LOWDCR Pin = OV)
- Proprietary Current Mode Control Loop
- Programmable CCM/DCM Operation
