EDN

Power Tips #137: Implementing LLC current-mode control on the secondary side with a digital controller

Inductor-inductor-capacitor (LLC) serial resonant circuits, as shown in Figure 1, can achieve both zero voltage switching on the primary side and zero current switching on the secondary side in order ...
EDN

Power Tips #138: 3 ways to close the control loop for totem-pole bridgeless PFC

Among all power factor correction (PFC) topologies, totem-pole bridgeless PFC provides the best efficiency; therefore, it is widely used in servers and data centers. However, closing the current ...
Electronic Design

Current-Sharing, Diode-OR Controller Eases Power System Design

Linear Technology Corporation introduces the LTC4370, a first-of-its-kind current-sharing controller with reverse current blocking. The LTC4370 frees the designer from the limitations and ...