At ISSCC 2022, the Leibniz University of Hannover presented a novel 50-60Hz universal mains ac-dc power supply that has almost all of its components on a single 3 x 7mm 0.18μm silicon-on-insulator die. The only external components are the output inductor and capacitor, both low-voltage parts. It can produce an adjustable 3.3 to 10Vdc from ...

This story continues at ISSCC: Cunning one-chip mains PSU needs only external passives

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