Feedback circuit for power switching circuit

Details Feedback circuit for power switching circuit Feedback circuit for power switching circuit

2006-09-05

2006-09-05

Laxton, Gary L (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S224000, C323S225000

Reexamination Certificate

active

07102337

ABSTRACT:
A power switching circuit has high and low side switches (6, 8). The load-side FET (8) has a main body part (30) and a sense FET part (32). The current sensing circuit (32) measured the low side current. A capacitance (56) couples the switch node (10) to a current signal node (52) to provide a combined signal on current output (58), the combined signal including the low side current and timing information.

REFERENCES:
patent: 6166528 (2000-12-01), Rossetti et al.
patent: 0774827 (1997-05-01), None
patent: 0774827 (1997-05-01), None
patent: 0744827 (1998-08-01), None

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