Method of supplying power on a circuit board assembly
First Claim
1. A method of supplying power on a circuit board assembly, comprising:
- attaching a drum core inductor to a circuit board, the drum core inductor having a first winding wound around an axis of a drum core of the drum core inductor, the first winding having first and second ends coupled to first and second terminals of the drum core inductor;
attaching a bobbin to the circuit board, the bobbin having a second winding wound around an axis of the bobbin, the second winding having first and second ends coupled to first and second terminals of the bobbin, respectively, wherein the drum core inductor and the bobbin are attached to the circuit board such that the drum core inductor is positioned on the circuit board inside an opening of the bobbin defined along the axis of the bobbin, wherein the drum core inductor and the bobbin are detached from each other; and
switching a power switch coupled between an input power source and the first winding to control a transfer of energy from the input power source through the first and second windings to an output at a load coupled to the second winding.
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Abstract
Power is supplied on a circuit board assembly by attaching a drum core inductor to a circuit board. The drum core inductor has a first winding wound around the drum core inductor. The first winding has first and second ends coupled to the drum core inductor. A bobbin is attached to the circuit board. The bobbin has a second winding wound around the bobbin. The second winding has first and second ends coupled to the bobbin. The drum core inductor and the bobbin are attached to the circuit board. The drum core inductor is inside an opening of the bobbin. The drum core inductor and the bobbin are detached from each other. A power switch coupled to the first winding is switched to control a transfer of energy from an input power source through the first and second windings to a load coupled to the second winding.
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Citations
10 Claims
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1. A method of supplying power on a circuit board assembly, comprising:
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attaching a drum core inductor to a circuit board, the drum core inductor having a first winding wound around an axis of a drum core of the drum core inductor, the first winding having first and second ends coupled to first and second terminals of the drum core inductor; attaching a bobbin to the circuit board, the bobbin having a second winding wound around an axis of the bobbin, the second winding having first and second ends coupled to first and second terminals of the bobbin, respectively, wherein the drum core inductor and the bobbin are attached to the circuit board such that the drum core inductor is positioned on the circuit board inside an opening of the bobbin defined along the axis of the bobbin, wherein the drum core inductor and the bobbin are detached from each other; and switching a power switch coupled between an input power source and the first winding to control a transfer of energy from the input power source through the first and second windings to an output at a load coupled to the second winding. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification