A digitally controlled boost DC-DC converter, comprising: a high side switch and a low side switch coupled in series, with a first end of an input inductor to be coupled to a source of power and a second end of the input inductor coupled to a node between the high side switch and the low side switch, the high side switch having a first end providing a regulated output for a load, with an output capacitor coupled to the first end of the high side switch, the input inductor configured to boost input voltage provided by the source of power and provide a higher voltage to the output capacitor; a first pulse width modulation signal generator configured to generate a first PWM signal having a first duty cycle; a second PWM signal generator configured to generate a second PWM signal having a second duty cycle, the second duty cycle greater than the first duty cycle; characterized in that the digitally controlled boost DC-DC converter further comprises: a logic circuit configured to select either the first PWM signal or the second PWM signal to control the high side switch and the low side switch; and a first comparator coupled to the regulated output, wherein the first comparator is configured to determine whether a voltage of the regulated output is below a first predefined voltage, and wherein an output of the first comparator is coupled to the logic circuit, and wherein said logic circuit is configured to select the second PWM signal when said voltage is below the first predefined voltage; and wherein the first PWM generator is configured to generate the first PWM signal based on a first reference signal input having a voltage equal to a desired output voltage of the boost DC-DC converter plus a bias voltage, wherein the bias voltage is approximately ten percent of the desired output voltage; and wherein the second PWM generator is configured to generate the second PWM signal based on a second reference signal input having a voltage equal to a sum of the desired output voltage of the boost DC-DC converter, the bias voltage, and an adjustment voltage. a high side switch and a low side switch coupled in series, with a first end of an input inductor to be coupled to a source of power and a second end of the input inductor coupled to a node between the high side switch and the low side switch, the high side switch having a first end providing a regulated output for a load, with an output capacitor coupled to the first end of the high side switch, the input inductor configured to boost input voltage provided by the source of power and provide a higher voltage to the output capacitor; a first pulse width modulation signal generator configured to generate a first PWM signal having a first duty cycle; a second PWM signal generator configured to generate a second PWM signal having a second duty cycle, the second duty cycle greater than the first duty cycle; characterized in that the digitally controlled boost DC-DC converter further comprises: a logic circuit configured to select either the first PWM signal or the second PWM signal to control the high side switch and the low side switch; and a first comparator coupled to the regulated output, wherein the first comparator is configured to determine whether a voltage of the regulated output is below a first predefined voltage, and wherein an output of the first comparator is coupled to the logic circuit, and wherein said logic circuit is configured to select the second PWM signal when said voltage is below the first predefined voltage; and wherein the first PWM generator is configured to generate the first PWM signal based on a first reference signal input having a voltage equal to a desired output voltage of the boost DC-DC converter plus a bias voltage, wherein the bias voltage is approximately ten percent of the desired output voltage; and wherein the second PWM generator is configured to generate the second PWM signal based on a second reference signal input having a voltage equal to a sum of the desired output voltage of the boost DC-DC converter, the bias voltage, and an adjustment voltage. a logic circuit configured to select either the first PWM signal or the second PWM signal to control the high side switch and the low side switch; and a first comparator coupled to the regulated output, wherein the first comparator is configured to determine whether a voltage of the regulated output is below a first predefined voltage, and wherein an output of the first comparator is coupled to the logic circuit, and wherein said logic circuit is configured to select the second PWM signal when said voltage is below the first predefined voltage; and wherein the first PWM generator is configured to generate the first PWM signal based on a first reference signal input having a voltage equal to a desired output voltage of the boost DC-DC converter plus a bias voltage, wherein the bias voltage is approximately ten percent of the desired output voltage; and wherein the second PWM generator is configured to generate the second PWM signal based on a second reference signal input having a voltage equal to a sum of the desired output voltage of the boost DC-DC converter, the bias voltage, and an adjustment voltage.