A control apparatus for an electromagnetic inductive load, the control apparatus being a circuit which includes a switching element that is PWM-controlled and that is connected together in series with the electromagnetic inductive load between a DC power supply and a ground, the circuit comprising: a current sensing unit which senses a regenerative current (Isense) in an OFF time in a PWM driving operation of the switching element; a current detecting unit which outputs a current detection signal (Idetect) when a sense current (Isense) sensed by the current sensing unit becomes smaller than a target current amount (Iref); a PWM signal generating unit which receives a clock signal (Clock) of a given frequency and the current detection signal (Idetect) output from the current detecting unit, and which generates a PWM signal (Vpwm) that is at a high level during a period from an rising of a current detection signal (Idetect) indicating that the current detection signal has become smaller than the target current amount (Iref), to the falling of the clock signal (Clock); and a driving unit which drives and controls the switching element based on the PWM signal (Vpwm) generated by the PWM signal generating unit, characterized by: a power supply voltage monitoring unit which monitors a voltage of the DC power supply, and which outputs a voltage reduction signal (Vmoni) during a period when the power supply voltage is reduced to or below a set voltage (Vth); and a DC drive signal generating unit which receives the voltage reduction signal (Vmoni) output from the power supply voltage monitoring unit, and which outputs a DC drive signal (Vdc) that is always at the high level during the power supply voltage reduction period and a given time period after the voltage of the DC power supply has returned, wherein the driving unit receives the DC drive signal (Vdc) output from the DC drive signal generation unit and the PWM signal (Vpwm) output from the PWM signal generating unit, and outputs a gate signal (Vg) maintained at the high level to the switching element, such that that the PWM driving is compulsively switched to the DC driving. a current sensing unit which senses a regenerative current (Isense) in an OFF time in a PWM driving operation of the switching element; a current detecting unit which outputs a current detection signal (Idetect) when a sense current (Isense) sensed by the current sensing unit becomes smaller than a target current amount (Iref); a PWM signal generating unit which receives a clock signal (Clock) of a given frequency and the current detection signal (Idetect) output from the current detecting unit, and which generates a PWM signal (Vpwm) that is at a high level during a period from an rising of a current detection signal (Idetect) indicating that the current detection signal has become smaller than the target current amount (Iref), to the falling of the clock signal (Clock); and a driving unit which drives and controls the switching element based on the PWM signal (Vpwm) generated by the PWM signal generating unit, characterized by: a power supply voltage monitoring unit which monitors a voltage of the DC power supply, and which outputs a voltage reduction signal (Vmoni) during a period when the power supply voltage is reduced to or below a set voltage (Vth); and a DC drive signal generating unit which receives the voltage reduction signal (Vmoni) output from the power supply voltage monitoring unit, and which outputs a DC drive signal (Vdc) that is always at the high level during the power supply voltage reduction period and a given time period after the voltage of the DC power supply has returned, wherein a power supply voltage monitoring unit which monitors a voltage of the DC power supply, and which outputs a voltage reduction signal (Vmoni) during a period when the power supply voltage is reduced to or below a set voltage (Vth); and a DC drive signal generating unit which receives the voltage reduction signal (Vmoni) output from the power supply voltage monitoring unit, and which outputs a DC drive signal (Vdc) that is always at the high level during the power supply voltage reduction period and a given time period after the voltage of the DC power supply has returned, wherein the driving unit receives the DC drive signal (Vdc) output from the DC drive signal generation unit and the PWM signal (Vpwm) output from the PWM signal generating unit, and outputs a gate signal (Vg) maintained at the high level to the switching element, such that that the PWM driving is compulsively switched to the DC driving.