VOLTAGE CONVERTER CIRCUIT AND VOLTAGE CONVERTER CONTROLLER AND PARAMETER SETTING METHOD THEREFOR

摘要

A voltage converter circuit includes a voltage converter controller which generates a PWM signal to operate a power switch for voltage conversion. The voltage converter controller includes a sensing pin for sensing a current and the voltage converter controller receives a power supply. A parameter setting method for the voltage converter circuit includes: during a start-up stage, when the power supply increases above a predetermined reference level, the voltage converter controller outputting a current through the sensing pin; and setting at least one parameter of the voltage converter controller according to a voltage at the sensing pin.

主权项

1. A parameter setting method for a voltage converter circuit, the voltage converter circuit including a voltage converter controller which generates a PWM signal to operate a power switch for voltage conversion, the voltage converter controller including a sensing pin for sensing a current and the voltage converter controller receiving a power supply, the parameter setting method comprising:
during a start-up stage, when the power supply increases above a predetermined reference level, the voltage converter controller outputting a current through the sensing pin; and setting at least one parameter of the voltage converter controller according to a voltage at the sensing pin.