Demonstration circuit DC2111A-A features the LTC3774 in a 4-phase, high output current step-down converter with sub-mΩ DCR sensing. This high performance converter provides 1.2V @ 90A with N+1 MOSFET failure protection and operates at a switching frequency of 400kHz over an input voltage range of 10V to 14V. The 5mm × 5mm DrMOS and 0.33μH/0.325mΩ inductor provide high efficiency while supplying 30A per phase.
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