A power supply, comprising: a source (DCin) of an input supply voltage coupled to a first winding of a transformer: an output switching transistor responsive to a first switching control signal (Drv) and coupled to said first winding for producing a current in said first winding that is transformer-coupled to a second winding of said transformer to produce a first output supply voltage (Vout) that energizes a first load circuit, said output switching transistor interrupting current in said first winding, during a first portion of a cycle of said first switching control signal, and producing a flyback voltage in said first winding; characterized by a first capacitor coupled to said first winding and in series with a second capacitor through a diode to form during said first portion of said cycle a capacitive voltage divider snubber network that reduces a rate of change of said flyback voltage and produces a capacitive current in each of said first and second capacitors, said capacitive current storing a corresponding charge in each of said first and second capacitors that develops in said second capacitor a first portion of a second supply voltage (Vcc), said second supply voltage being coupled to a second load circuit; and an inductor coupled to said first capacitor to form during a second portion of said cycle, when said output switching transistor is conducting, a resonant circuit of said inductor with said first capacitor for generating from the charge stored in said first capacitor a resonant current that is coupled to said second capacitor, said resonant current storing a charge in said second capacitor for developing a second portion of said second supply voltage (Vcc). a source (DCin) of an input supply voltage coupled to a first winding of a transformer: an output switching transistor responsive to a first switching control signal (Drv) and coupled to said first winding for producing a current in said first winding that is transformer-coupled to a second winding of said transformer to produce a first output supply voltage (Vout) that energizes a first load circuit, said output switching transistor interrupting current in said first winding, during a first portion of a cycle of said first switching control signal, and producing a flyback voltage in said first winding; characterized by a first capacitor coupled to said first winding and in series with a second capacitor through a diode to form during said first portion of said cycle a capacitive voltage divider snubber network that reduces a rate of change of said flyback voltage and produces a capacitive current in each of said first and second capacitors, said capacitive current storing a corresponding charge in each of said first and second capacitors that develops in said second capacitor a first portion of a second supply voltage (Vcc), said second supply voltage being coupled to a second load circuit; and an inductor coupled to said first capacitor to form during a second portion of said cycle, when said output switching transistor is conducting, a resonant circuit of said inductor with said first capacitor for generating from the charge stored in said first capacitor a resonant current that is coupled to said second capacitor, said resonant current storing a charge in said second capacitor for developing a second portion of said second supply voltage (Vcc). an output switching transistor responsive to a first switching control signal (Drv) and coupled to said first winding for producing a current in said first winding that is transformer-coupled to a second winding of said transformer to produce a first output supply voltage (Vout) that energizes a first load circuit, said output switching transistor interrupting current in said first winding, during a first portion of a cycle of said first switching control signal, and producing a flyback voltage in said first winding; characterized by a first capacitor coupled to said first winding and in series with a second capacitor through a diode to form during said first portion of said cycle a capacitive voltage divider snubber network that reduces a rate of change of said flyback voltage and produces a capacitive current in each of said first and second capacitors, said capacitive current storing a corresponding charge in each of said first and second capacitors that develops in said second capacitor a first portion of a second supply voltage (Vcc), said second supply voltage being coupled to a second load circuit; and an inductor coupled to said first capacitor to form during a second portion of said cycle, when said output switching transistor is conducting, a resonant circuit of said inductor with said first capacitor for generating from the charge stored in said first capacitor a resonant current that is coupled to said second capacitor, said resonant current storing a charge in said second capacitor for developing a second portion of said second supply voltage (Vcc).