Patent ID: 11881780
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A voltage converter comprising:
a converter input and a converter output, wherein the converter input has a voltage VIN, and the converter output has a voltage VOUT;
a high-side switch;
a low-side switch;
a comparator having first and second comparator inputs, a bias input, and a comparator output, wherein the first comparator input is coupled to a feedback voltage terminal providing a signal proportional to VOUT, and the second comparator input is coupled to a reference voltage terminal;
a bias current source coupled to the bias input and configured to provide a bias current;
a dynamic biasing circuit coupled to the bias input and configured to provide a supplemental bias current responsive to the voltage converter operating in a 100% mode, wherein the supplemental bias current is proportional to a difference between VIN and VOUT;
control logic having a logic input and a logic output, wherein the logic input is coupled to the comparator output; and
a gate driver having a driver input and first and second driver outputs, wherein the driver input is coupled to the logic output, the first driver output is coupled to the high-side switch, and the second driver output is coupled to the low-side switch.