Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2005-01-11
2005-01-11
Nguyen, Matthew V. (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
Reexamination Certificate
active
06841980
ABSTRACT:
An apparatus for controlling voltage sequencing for a power supply having multiple switching regulators includes a first switching regulator, a second switching regulator, a first and second resistors, and a first and second transistors. The first switching regulator provides a positive output voltage at a positive voltage output. The second switching regulator provides a negative output voltage at a negative voltage output. When the voltage at a node between the first and second resistors exceeds a predetermined positive voltage, the first transistor turns on to limit the positive output voltage at the positive voltage output. When the voltage at the node between the first and second resistors drops below a predetermined negative voltage, the second transistor turns on to limit the negative output voltage at the negative voltage output.
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Brosh Richard M.
Willis Scott C.
BAE Systems Information and Electronic Systems Integration Inc
Dillon & Yudell LLP
Long Daniel J.
Ng Antony P.
Nguyen Matthew V.
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