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Supercap Charger Plus a 5V at 4A DC/DC Buck Converter from 5.5V to 30V Input

Supercap Charger Plus a 5V at 4A DC/DC Buck Converter from 5.5V to 30V Input

The LT3742 is a dual step-down DC/DC switching regulator controller that drives high side N-channel power MOSFETs. A 500kHz fixed frequency current mode architecture provides fast transient response with simple loop compensation components and cycle-by-cycle current limiting. The output stages of the two controllers operate 180° out of phase to reduce the input ripple current, minimizing the noise induced on the input supply, and allowing less input capacitance.