Ac-dc converter for wide range output voltage and high switching frequency

A method of manufacturing an electrical circuit, the method comprising:

• providing a first inductive element operable to receive an AC input voltage and having first and second outputs comprising respective first and second nodes;
• coupling a four-quadrant (4-Q) switch between the first and second nodes;
• coupling a capacitor between the first node and a third node;
• coupling a second inductive element between the third node and the second node;
• coupling a first bidirectional device and a first diode in series between a positive output node and a negative output node;
• coupling a first output of the second inductive element between the first bidirectional device and the first diode;
• coupling a second bidirectional device and a second diode in series between the positive output node and the negative output node;
• and
• coupling a second output of the second inductive element between the second bidirectional device and the second diode.

An AC-DC converter comprising:

• a coupled inductor operable to receive an AC input voltage and having first and second outputs coupled to respective first and second nodes;
• a first switch coupled between the first and second nodes, wherein the first switch is operable to:
• block voltage in two directions in an off state, and
• conduct current in two directions in an on state;
• a capacitor coupled between the first node and a third node;
• an inductive element coupled between the third node and the second node, the inductive element having a first output and a second output;
• a second switch and a first diode coupled in series between a first output node and a second output node, wherein the first output of the inductive element is coupled between the second switch and the first diode;
• and
• a third switch and a second diode coupled in series between the first output node and the second output node, wherein the second output of the inductive element is coupled between the third switch and the second diode;
• wherein each of the second and third switches are operable to:
• block voltage in two directions in an off state, and
• conduct current in one direction in an on state.