In general, 4-level buck mode is enabled for higher input voltages, and 3-level buck mode for mid-to-low input voltages. Additionally, the device can be operated in fixed ratio, capacitor divider ...
But as [Andreas] explains in his typically clear manner, it would be necessary to have a complex power stage, operating in buck mode with capacitor voltage above the required level, and in boost ...
Tatsuya Kubo, senior product marketing manager, pSemi, will be highlighting the PE24111 during a presentation entitled, “Advances in 2-stage Buck Regulator Bring Higher Power Delivery to Optical ...