Texas Instruments Corporation

Hongcheng Xu

Pavol Balaz

Ferdinand Stettner

Konrad Wagensohner

Michael Schlenker

Described embodiments include a circuit with a first amplifier having first and second amplifier inputs and a first amplifier output. The first amplifier input is coupled to a reference voltage terminal. The second amplifier input is coupled to a voltage feedback terminal. A second amplifier has third and fourth amplifier inputs and second and third amplifier outputs. The third amplifier input is coupled to the first amplifier output. A first switch has first and second switch terminals. The second switch terminal is coupled to the fourth amplifier input. A third amplifier has fifth and sixth amplifier inputs and a fourth amplifier output. The fifth amplifier input is coupled to the second amplifier output. The sixth amplifier input is coupled to the third amplifier output. A second switch has a third switch terminal coupled to the fourth amplifier output, and a fourth switch terminal coupled to the first amplifier output.

Skip clamp circuit for DC-DC power converters

Aspects of the disclosure provide for a circuit. In some examples, the circuit includes a first transistor, a second transistor, a third transistor, a first capacitor, and a second capacitor. The first transistor comprises a drain terminal coupled to an input voltage node, a source terminal coupled to a first node, and a gate terminal coupled to a second node. The second transistor comprises a drain terminal coupled to a third node, a source terminal coupled to a fourth node, and a gate terminal coupled to a fifth node. The third transistor comprises a drain terminal coupled to a sixth node, a source terminal configured to couple to a gate terminal of a switching transistor, and a gate terminal coupled to a seventh node. The first capacitor is coupled between the first node and the third node. The second capacitor is coupled between the fourth node and the sixth node.

Growing community of inventors

Freising, Germany

Hongcheng Xu