Power supply IC having switching regulator and series regulator

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S127100, C455S343100, C323S282000, C323S351000

Reexamination Certificate

active

10726626

ABSTRACT:
An integrated circuit for supplying power includes an IC chip having a rectangular shape and having a first edge and a second edge opposite the first edge, a switching regulator implemented on the IC chip and having a driver transistor whose ON time of switching is controlled to adjust an output voltage of the switching regulator, and a series regulator implemented on the IC chip, wherein the driver transistor of the switching regulator is positioned near the first edge, and the series regulator is positioned near the second edge.

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Dowlatabadi, A.B., Challenges In CMOS Mixed-Signal Designs For Analog Circuit Designers, Circuits and Systems, 1997. Proceedings of the 40th Midwest Symposium on Sacramento, CA, USA, Aug. 3-6, 1997. New York, NY, USA, IEEE Aug. 3, 1997, pp. 47-50.
Sicard, E., et al., Cross-Talk Extraction from Mask Layout. Design Automation, 1993, with the European Event in ASIC Design. Proceedings. Y4th European Conference on Paris, France, Feb. 22-25, 1993. Los Alamitos, CA, USA, IEEE Computer Soci, Feb. 22, pp. 414-418.

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