Patent ID: 7528590
Filing Date: 2009-05-05
Classification: H02M,Y02B

Abstract:
1. A DC to DC boost converter circuit for receiving a DC input voltage and converting it to a DC output voltage at a different voltage level than the DC input voltage, comprising: a switching power converter for receiving the input voltage on an input and converting the input voltage to an output as the DC output voltage in response to pulse control signals; a switching controller for generating the pulse control signals during a switching cycle; and wherein the switching controller further includes pulse skipping circuitry for generating a pulse width modulated signal to the switching power converter, wherein a pulse width of the pulse width modulated signal is decreased responsive to a voltage level of an output voltage of the DC to DC boost converter being less than a control saw tooth waveform and the pulses width of the pulse width modulated signal is increased responsive to the voltage level of the output voltage of the DC to DC boost converter being greater than the control saw tooth waveform.