Slew rate control for a load switch

Details Slew rate control for a load switch Slew rate control for a load switch

2011-05-10

2011-05-10

Nguyen, Hai L (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Slope control of leading or trailing edge of rectangular or...

Reexamination Certificate

active

07940101

ABSTRACT:
An apparatus for slew rate control using a plurality of discrete slew rate levels. The apparatus includes a load switch and a switch controller. The load switch outputs a load voltage to a load. The switch controller generates a switch control signal in response to an enable signal. The switch control signal controls operation of the load switch. The switch controller controls a slew rate of the load switch according to a plurality of discrete slew rate levels.

REFERENCES:
patent: 6181093 (2001-01-01), Park et al.
patent: 6222403 (2001-04-01), Mitsuda
patent: 6489829 (2002-12-01), Yu
patent: 7378878 (2008-05-01), Major
patent: 2009/0015977 (2009-01-01), Patel
High Side Power Switches, Micrel Inc., Feb. 2007, available at http://www.micrel.com/—PDF/mic94062-63.pdf#page=6, last visited Aug. 27, 2008.
Advanced Analogic Technologies “AAT4250 Slew Rate Controlled Load Switch”, http://www.analogictech.com/products/digitalfiles/AAT4250.pdf, Mar. 9, 2006, 1-13.

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