Switching circuit layout with heatsink
First Claim
Patent Images
1. A switching converter comprising:
- a plurality of switches including a first switch, a second switch, a third switch and a fourth switch;
a circuit board having a layout for connecting said switches, wherein said layout locates said switches substantially at endpoints of a right-angle cross, wherein said layout includes cutouts at the endpoints of said right angle cross, and wherein said switches are located within said cutouts;
a chassis mounting said switches; and
a heat sink attached to said switches and said chassis.
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Abstract
A circuit board adapted for use in an switching converter for connecting a plurality of switches including a first switch, a second switch, a third switch and a fourth switch. The circuit board has a layout for connecting the switches. The layout is adapted for locating the switches substantially at or symmetrically with respect to the endpoints of a right-angle cross. The right-angle cross is formed from two line segments intersecting with a ninety degree angle. The circuit board may offsets the switches perpendicularly to the line segments at the endpoints of the line segments either in a clockwise or a counterclockwise direction.
131 Citations
12 Claims
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1. A switching converter comprising:
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a plurality of switches including a first switch, a second switch, a third switch and a fourth switch; a circuit board having a layout for connecting said switches, wherein said layout locates said switches substantially at endpoints of a right-angle cross, wherein said layout includes cutouts at the endpoints of said right angle cross, and wherein said switches are located within said cutouts; a chassis mounting said switches; and a heat sink attached to said switches and said chassis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A switching converter comprising:
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a chassis; a heat sink; a circuit board having a first switch, a second switch, a third switch and a fourth switch connected thereto, wherein the circuit board includes cutouts, wherein said switches are located within the cutouts and mounted to the heat sink, wherein the heat sink and circuit board are mounted vertically within the chassis, and wherein the switches are located such that heat from any one of the switches does not flow vertically through the heat sink to the other switches.
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Specification