High current switching regulator with overlapped output current pulses

Claim 2

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first and a second control signal; first and second inductive reactors, each having a primary and a secondary winding; first and second controllable rectifiers, each having an anode, a cathode and a gate, said first rectifier being connected in series with said primary winding of said first reactor in a first series combination and said second rectifier being connected in series with said primary winding of said second reactor in a second series combination, said first and second series combinations being connected together at a seCond end and at a first end of said first and second combinations, respectively, said first combination being connected to said positive terminal of said supply at a first end of said first combination and said second combination being connected to said negative terminal of said supply at a second end of said second combination, and said source being connected to said gate of said first and second rectifiers for applying said first and second control signals to a corresponding one of said rectifiers; first, second, third and fourth capacitors, said first capacitor being connected between said positive and negative terminals of said supply, said second capacitor being connected between said first and second ends of said first combination and said third capacitor being connected between said first and second ends of said second combination; and first and second diodes, each of said diodes corresponding to a respective one of said reactors and having a first and a second electrode, a first electrode of each of said first and second diodes being connected to a first end of a secondary winding of a corresponding one of said reactors and said fourth capacitor being connected between the second electrodes of each one of said first and second diodes and a second end of the secondary winding of each one of said reactors.

Claim 3

The switching regulator circuit of claim 1 wherein said first control signal is applied to said gate of the first controllable rectifier at a time when a quantity of stored energy in said second reactor is being discharged through the secondary winding of said second reactor and said second control signal is applied to said gate of the second controllable rectifier at a time when a quantity of stored energy in said first reactor is being discharged through said secondary winding of said first reactor, said first and second control signals being alternately and successively applied to said gates of said first and second rectifiers.

Claim 4

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first and a second control signal; first and second inductive reactors, each having a primary and a secondary winding; first and second controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers for applying said first and second control signals to a corresponding one of said rectifiers; first, second, third and fourth capacitors, said first capacitor being connected between said positive and negative terminals of said supply, said second capacitor being connected between said positive terminal and a second end of said primary winding of the first reactor and said third capacitor being connected between a second end of said primary winding of the second reactor and said negative terminal of said supply, said second ends of said primary windings of said first and second reactors being connected together; and first and second diodes, each having an anode and a cathode, an anode of each of said first and second diodes being connected to a first end of the secondary winding of a corresponding one of said reactors and said fourth capacitor being connected between the cathodes of said first and second diodes and a second end of the secondary winding of each one of said reactors.

Claim 5

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first and a second control signal; first and second inductive reactors, each having a primary and a secondary winding; first and second controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers for applying said first and second control signals to a corresponding one of said rectifiers; first, second, third and fourth capacitors, said first capacitor being connected between said positive and negative terminals of said supply, said second capacitor being connected between said positive terminal and a second end of said primary winding of the first reactor and said third capacitor being connected between a second end of said primary winding of the second reactor and said negative terminal of said supply, said second ends of said primary windings of said first and second reactors being connected together; and first and second diodes, each having an anode and a cathode, an anode of each of said first and second diodes being connected to a first end of the secondary winding of a corresponding one of said reactors and said fourth capacitor being connected between the cathodes of said first and second diodes and a second end of the secondary winding of each one of said reactors.

Claim 6

The switching regulator circuit of claim 3 wherein said first and second inductive reactors are linear reactors.

Claim 7

The switching regulator circuit of claim 3 wherein said first control Signal is applied to said gate of the first controllable rectifier at a time when a quantity of stored energy in said second reactor is being discharged through the secondary winding of said second reactor and said second control signal is applied to said gate of the second controllable rectifier at a time when a quantity of stored energy in said first reactor is being discharged through said secondary winding of said first reactor, said first and second control signals being alternately and successively applied to said gates of said first and second rectifiers.

Claim 8

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first and a second control signal; first and second inductive reactors, each having a primary and a plurality of secondary windings; first and second controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said first and second rectifiers to apply said first and second control signals to a corresponding one of said rectifiers; first second, third and fourth capacitors, said first capacitor being connected between said positive and negative terminals of said supply, said second capacitor being connected between said positive terminal and second end of said primary winding of the first reactor, said third capacitor connected between a second end of said primary winding of the second reactor, and said second ends of said primary windings of said first and second reactors being connected together; and a plurality of diodes, each having an anode and a cathode, an anode of each of said plurality of diodes being connected to a first end of a corresponding one of said plurality of secondary windings for each of said reactors and said fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of each of the plurality of secondary windings of said reactors.

Claim 9

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first and a second control signal; first and second inductive reactors, each having a primary and a plurality of secondary windings; first and second controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said first and second rectifiers to apply said first and second control signals to a corresponding one of said rectifiers; first second, third and fourth capacitors, said first capacitor being connected between said positive and negative terminals of said supply, said second capacitor being connected between said positive terminal and second end of said primary winding of the first reactor, said third capacitor connected between a second end of said primary winding of the second reactor, and said second ends of said primary windings of said first and second reactors being connected together; and a plurality of diodes, each having an anode and a cathode, an anode of each of said plurality of diodes being connected to a first end of a corresponding one of said plurality of secondary windings for each of said reactors and said fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of each of the plurality of secondary windings of said reactors.

Claim 10

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a plurality of control signals; a plurality of pairs of inductive reactors, each of said pairs having a first and a second inductive reactor, each having a primary and a secondary winding; a plurality of pairs of controllable rectifiers, each of said pairs having a first and a second controllable rectifier corresponding to a respective first and second inductive reactor of one of said pairs of inductive reactors, each of said rectifiers having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of a respective first reactor, said anode of said second rectifier being connected to a first end of said primary winding of a respective second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers to apply a different one of said plurality of said control signals to a corresponding one of said rectifiers; a first capacitor being connected in parallel between said anode of said first rectifier and said cathode of said second rectifier of each of said pairs of rectifiers; a plurality of sets of capacitors, each of said sets of capacitors corresponding to a pair of said plurality of pairs of inductive reactors, and each of said sets having a seCond and a third capacitor, each of said second capacitors being connected between said positive terminal and a second end of said primary winding of the first reactor of a corresponding pair of reactors, each of said third capacitors being connected between a second end of said primary winding of the second reactor of a corresponding pair of reactors and said negative terminal, and said second ends of said primary windings being connected together; a plurality of diodes, each diode corresponding to a respective one of said reactors and having an anode and a cathode; anode of each of said diodes being connected to a first end of the secondary winding of a corresponding reactor; and a fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of the secondary windings of each of said plurality of reactors.

Claim 11

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a plurality of control signals; a plurality of pairs of inductive reactors, each of said pairs having a first and a second inductive reactor, each having a primary and a secondary winding; a plurality of pairs of controllable rectifiers, each of said pairs having a first and a second controllable rectifier corresponding to a respective first and second inductive reactor of one of said pairs of inductive reactors, each of said rectifiers having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of a respective first reactor, said anode of said second rectifier being connected to a first end of said primary winding of a respective second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers to apply a different one of said plurality of said control signals to a corresponding one of said rectifiers; a first capacitor being connected in parallel between said anode of said first rectifier and said cathode of said second rectifier of each of said pairs of rectifiers; a plurality of sets of capacitors, each of said sets of capacitors corresponding to a pair of said plurality of pairs of inductive reactors, and each of said sets having a seCond and a third capacitor, each of said second capacitors being connected between said positive terminal and a second end of said primary winding of the first reactor of a corresponding pair of reactors, each of said third capacitors being connected between a second end of said primary winding of the second reactor of a corresponding pair of reactors and said negative terminal, and said second ends of said primary windings being connected together; a plurality of diodes, each diode corresponding to a respective one of said reactors and having an anode and a cathode; anode of each of said diodes being connected to a first end of the secondary winding of a corresponding reactor; and a fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of the secondary windings of each of said plurality of reactors.

Claim 12

The switching regulator circuit of claim 7 wherein the plurality of control signals provided by said control signal source is applied singly and sequentially to each of said controllable rectifiers in a predetermined sequence, a control signal being applied to each rectifier at a time during which a quantity of stored energy in at least one reactor corresponding to at least one other rectifier receiving a preceding control signal is being discharged through its associated secondary winding.

Claim 13

The switching regulator circuit of claim 7 wherein the plurality of control signals provided by said control signal source is applied singly and sequentially to each of said controllable rectifiers in a predetermined sequence, a control signal being applied to each of said first and second rectifiers alternately and at a time during which a quantity of stored energy in at least one reactor corresponding to at least one other rectifier receiving a preceding control signal is being discharged through its associated secondary winding.

Claim 14

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a plurality of control signals; a plurality of pairs of inductive reactors, each of said pairs having a first and a second inductive reactor, each having a primary winding and a plurality of secondary windings; a plurality of pairs of controllable rectifiers, each of said pairs having a first and a second controllable rectifier corresponding to a respective first and second inductive reactor of one of said pairs of inductive reactors, each of said rectifiers having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of a respective first reactor, said anode of said second rectifier being connected to a first end of said primary winding of a respective second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers to apply a different one of said plurality of said control signals to a corresponding one of said rectifiers; a first capacitor being connected in parallel between said anode of said first rectifier and said cathode of said second rectifier of each of said pairs of rectifiers; a plurality of sets of capacitors, each of said sets of capacitors corresponding to a pair of said plurality of pairs of inductive reactors, and each of said sets having a second and a third capacitor, each of said second capacitors being connected between said positive terminal and a second end of said primary winding of the first reactor of a corresponding pair of reactors, each of said third capacitors being connected between a second end of said primary winding of the second reactor of a corresponding pair of reactors and said negative terminal, and said second ends of said primary windings being connected together; a plurality of diodes, each of said diodes corresponding to a respective one of said windings and having an anode and a cathode; an anode of each of said plurality of diodes being connected to a first end of a corresponding secondary winding; and a fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of the secondary windings of each of said plurality of reactors.

Claim 15

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a plurality of control signals; a plurality of pairs of inductive reactors, each of said pairs having a first and a second inductive reactor, each having a primary winding and a plurality of secondary windings; a plurality of pairs of controllable rectifiers, each of said pairs having a first and a second controllable rectifier corresponding to a respective first and second inductive reactor of one of said pairs of inductive reactors, each of said rectifiers having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of a respective first reactor, said anode of said second rectifier being connected to a first end of said primary winding of a respective second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers to apply a different one of said plurality of said control signals to a corresponding one of said rectifiers; a first capacitor being connected in parallel between said anode of said first rectifier and said cathode of said second rectifier of each of said pairs of rectifiers; a plurality of sets of capacitors, each of said sets of capacitors corresponding to a pair of said plurality of pairs of inductive reactors, and each of said sets having a second and a third capacitor, each of said second capacitors being connected between said positive terminal and a second end of said primary winding of the first reactor of a corresponding pair of reactors, each of said third capacitors being connected between a second end of said primary winding of the second reactor of a corresponding pair of reactors and said negative terminal, and said second ends of said primary windings being connected together; a plurality of diodes, each of said diodes corresponding to a respective one of said windings and having an anode and a cathode; an anode of each of said plurality of diodes being connected to a first end of a corresponding secondary winding; and a fourth capacitor being connected between the cathodes of each of said plurality of diodes and a second end of the secondary windings of each of said plurality of reactors.

Claim 16

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first, a second, a third and a fourth control signal; first, second, third and fourth inductive reactors, each having a primary and a secondary winding; first, second, third and fourth controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers for applying said first and second control signals to the gate of said first and second rectifiers, respectively, said cathode of said third rectifier being connected to a first end of said primary winding of said third reactor, said anode of said fourth rectifier being connected to a first end of said primary winding of said fourth reactor, said cathode of said fourth rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said third and fourth rectifiers for applying said third and fourth control signals to the gate of said third and fourth rectifiers, respectively; a first capacitor being connected between said positive and negative terminals of said supply; second, third, fourth, fifth and sixth capacitors, said second capacitor being connected between said positive terminal and a second end of said primary winding of the first reactor and said third capacitor being connected between a second end of said primary winding of the second reactor and said negative terminal, said fourth capacitor being connected between said positive terminal and a second end of said primary winding of the third reactor and said fifth capacitor being connected between a second end of said primary winding of the fourth reactor and said negative terminal, said second ends of said primary windings of said first and second reactors being connected together, and said second ends of said primary windings of said third and fourth reactors being connected together; first, second, third and fourth diodes, each of said diodes corresponding to a respective one of said reactors and having an anode and a cathode, an anode of each of said diodes being connected to a first end of the secondary winding of a corresponding one of said reactors, said sixth capacitor being connected between the cathodes of each of said diodes and a second end of the secondary winding of each of said reactors; and said control signal source providing said first, second, third and fourth control signals singly and sequentially to the gates of each of said first, second, third and fourth rectifiers, said first control signal being applied to the gate of the first rectifier at a time when a quantity of energy stored in said second, third and fourth reactors is being transferred into a respective secondary winding, said second control signal being applied to said second rectifier when a quantity of energy stored in said first, third and fourth reactors is being transferred into a respective secondary winding, said third control signal being applied to said third rectifier when a quantity of energy stored in said first, second and fourth reactors is being transferred into a respective secondary winding, and said fourth control signal being applied to said fourth rectifier when a quantity of energy stored in said first, second and third reactors is being transferred into a respective secondary winding.

Claim 17

A switching regulator circuit for use with a power supply having a positive and a negative terminal, said circuit comprising: A control signal source for providing a first, a second, a third and a fourth control signal; first, second, third and fourth inductive reactors, each having a primary and a secondary winding; first, second, third and fourth controllable rectifiers, each having an anode, a cathode and a gate, said anode of said first rectifier being connected to said positive terminal of said supply, said cathode of said first rectifier being connected to a first end of said primary winding of said first reactor, said anode of said second rectifier being connected to a first end of said primary winding of said second reactor, said cathode of said second rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said first and second rectifiers for applying said first and second control signals to the gate of said first and second rectifiers, respectively, said cathode of said third rectifier being connected to a first end of said primary winding of said third reactor, said anode of said fourth rectifier being connected to a first end of said primary winding of said fourth reactor, said cathode of said fourth rectifier being connected to said negative terminal of said supply and said source being connected to said gate of said third and fourth rectifiers for applying said third and fourth control signals to the gate of said third and fourth rectifiers, respectively; a first capacitor being connected between said positive and negative terminals of said supply; second, third, fourth, fifth and sixth capacitors, said second capacitor being connected between said positive terminal and a second end of said primary winding of the first reactor and said third capacitor being connected between a second end of said primary winding of the second reactor and said negative terminal, said fourth capacitor being connected between said positive terminal and a second end of said primary winding of the third reactor and said fifth capacitor being connected between a second end of said primary winding of the fourth reactor and said negative terminal, said second ends of said primary windings of said first and second reactors being connected together, and said second ends of said primary windings of said third and fourth reactors being connected together; first, second, third and fourth diodes, each of said diodes corresponding to a respective one of said reactors and having an anode and a cathode, an anode of each of said diodes being connected to a first end of the secondary winding of a corresponding one of said reactors, said sixth capacitor being connected between the cathodes of each of said diodes and a second end of the secondary winding of each of said reactors; and said control signal source providing said first, second, third and fourth control signals singly and sequentially to the gates of each of said first, second, third and fourth rectifiers, said first control signal being applied to the gate of the first rectifier at a time when a quantity of energy stored in said second, third and fourth reactors is being transferred into a respective secondary winding, said second control signal being applied to said second rectifier when a quantity of energy stored in said first, third and fourth reactors is being transferred into a respective secondary winding, said third control signal being applied to said third rectifier when a quantity of energy stored in said first, second and fourth reactors is being transferred into a respective secondary winding, and said fourth control signal being applied to said fourth rectifier when a quantity of energy stored in said first, second and third reactors is being transferred into a respective secondary winding.