MD6752 Fully Digital-Controlled Power Supply IC

Sanken's MD6752 fully digital-controlled power supply IC incorporates a bridgeless PFC control circuit and an LLC current-resonant circuit. The PFC circuit, driven by continuous conduction mode (CCM), is controlled with frequencies suitable for applied input voltages and loads.

The MD6752 IC incorporates current mode for controlling constant voltages in the LLC stage, a floating drive circuit that drives an external high-side power MOSFET, and functionally rich protections. These digitally controlled strategies allow application-specific optimal settings. The IC can achieve more cost-effective and highly efficient yet low-noise power systems with fewer external components than conventional analog control circuits.