Power regulation loop performs two functions

Details Power regulation loop performs two functions Power regulation loop performs two functions

2005-11-29

2005-11-29

Riley, Shawn (Department: 2838)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

C361S092000

Reexamination Certificate

active

06970334

ABSTRACT:
A circuit provides a power regulation loop that operates in two modes and uses a single comparator between the two modes. One mode, an open mode, involves generating an overload signal when the pass transistor is in an oversaturated mode indicating that the voltage drop of the device exceeds a predetermined threshold. The other mode, a linear mode, involves generating an optimal value sense resistor for a liner mode operation of a pass transistor. The two modes do not exist simultaneously and, therefore, a single comparator may be used between the two modes.

REFERENCES:
patent: 4810948 (1989-03-01), Takuma
patent: 6614210 (2003-09-01), Sundaram et al.

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