Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2007-07-24
2007-07-24
Han, Jessica (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S225000, C323S284000
Reexamination Certificate
active
10961439
ABSTRACT:
A sliding-mode switching power supply (24) having N phases (28) and a method of operating the power supply (24) are provided. N switches (30) are coupled to a bipolar power source (22), with each switch (30) effecting one phase (28). An inductance (32) is coupled to each switch (30), and a capacitance (36) is coupled to the inductances (32). A load (26) is coupled across the capacitance (36). A monitor circuit (38) is coupled to the inductances (32) and the capacitance (36) and configured to monitor an output voltage (VOut) of the power supply (24). A first state-variable generator (42) generates a first state variable (first state variable x1) in response to the output voltage (VOut), and a second sate variable generator (44) synthesizes a second state variable (second state variable x2) from the first state variable (x1). A feedback-signal generator (46) is coupled to the first and second state-variable generators (42, 44) and generates a comprehensive feedback signal (σ) for all phases (28) using only the two state variables (x1, x2).
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Han Jessica
Intersil America's Inc.
Meschkow & Gresham PLC
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