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Duty ratio feedforward control Average current-mode control has been used in PFC for decades. Various analog PFC control chips employing this control algorithm can be found in the commercial market.
Wise Integration launches its first fully digital controller, enabling high-frequency operation up to 2 MHz for GaN ...
A step-by-step guide on three ways to close the current control loop using the hall sensor feedback signal in totem-pole bridgeless PFCs.
The controller is designed for PFC pre-regulators in high-end ac-dc adapters and chargers for laptop PCs and servers.
STMicroelectronics has announced a power-factor correction controller for the front-end of ac-dc PSUs from 600W to 6kW. Called STNRGPF02, it implements a two-channel interleaved boost topology as well ...
Fairchild Semiconductor brings power supply designers a boundary-conduction mode (BCM) interleaving power factor correction (PFC) controller that provides over 96 percent power ...
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