Patent ID: 7474082
Filing Date: 2009-01-06
Classification: G06F,G09G,H02M

Abstract:
1. A voltage converting apparatus with auto-adjusting boost multiple, used for adjusting an input voltage to an output voltage according to a digital signal, the voltage converting apparatus comprising: a microprocessor unit, used for generating an output voltage information and a converting multiple information according to the digital signal; a boost multiple control unit, coupled to the microprocessor unit, and according to the output voltage information, computing the corresponding relation between the output voltage and the input voltage in order to generate an boost multiple information; a boost unit, coupled to the boost multiple control unit and used for amplifying the input voltage in order to generate a converting operation voltage according to the boost multiple information; and a voltage converting unit, coupled to the microprocessor unit and the boost unit, wherein the voltage converting unit is operated between the converting operation voltage and a first voltage, and used for converting an reference voltage into the output voltage according to the converting multiple information.