Small form factor power supply

A small form factor power supply comprising:

• a switching transformer having a low profile core and windings which surround at least a portion of the low profile core;
• control circuitry, including at least one surface mounted component, to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, wherein a thickness of the housing is not greater than about 0.436 inches.

A small form factor power supply comprising:

• a switching transformer having a planar core and windings which surround at least a portion of the planar core;
• control circuitry, including at least one surface mounted component, to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, wherein a thickness of the housing is not greater than about 0.436 inches and a volume of the housing is not greater than about 5.4 cubic inches.

A small form factor power supply comprising:

• a switching transformer having a low profile core and windings which surround at least a portion of the low profile core;
• control circuitry, including at least one surface mounted component, to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, wherein a thickness of the housing is not greater than 0.436 inches and a volume of the housing is not greater than about 5.4 cubic inches.

A small form factor power supply comprising:

• a switching transformer having a planar core and windings which surround at least a portion of the planar core;
• control circuitry to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, the housing having a thickness and top and bottom surface areas, wherein a ratio of the top and bottom surface area to the thickness is at least about 56:1.

A small form factor power supply comprising:

• a switching transformer having a planar core and windings which surround at least a portion of the planar core;
• control circuitry to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, the housing having a thickness and top and bottom surface areas, wherein a ratio of the top or bottom surface area to the thickness is at least about 28:1.

A small form factor power supply comprising:

• a switching transformer having a planar core and windings which surround at least a portion of the planar core;
• control circuitry to control a switching device to couple a source of DC power to a primary of the switching transformer at a switching frequency;
• rectifier circuitry coupled to a secondary of the switching transformer to provide a DC voltage;
• and
• a housing containing the switching transformer, the control circuitry and the rectifier circuitry, the housing having a thickness and top and bottom surface areas, wherein the thickness of the housing is not greater than about 0.436 inches and a ratio of the top or bottom surface area to the thickness is at least about 28:1.

A small form factor power supply comprising:

• a switching transformer having a low profile core and primary and secondary coils;
• a printed circuit board adapted to have circuit components mounted thereon, wherein the printed circuit board defines certain wiring patterns that are coupled to the primary and secondary coils of the switching transformer that are magnetically coupled to the low profile core;
• a rectifier circuit that is coupled to the secondary coil to provide a DC power source capable of delivering at least seventy five watts;
• and
• a housing enclosing the switching transformer, the printed circuit board, the rectifier circuit, and the circuit components, wherein the product of the length and width of the housing is less than approximately fourteen square inches.

A small form factor power supply comprising:

• a switching transformer having a low profile core and primary and secondary coils;
• a printed circuit board adapted to have circuit components mounted thereon, wherein the printed circuit board defines certain wiring patterns that are coupled to the primary and secondary coils of the switching transformer that are magnetically coupled to the low profile core;
• a rectifier circuit that is coupled to the secondary coil to provide a DC power source capable of delivering at least seventy five watts;
• and
• a housing enclosing the switching transformer, the printed circuit board, the rectifier circuit, and the circuit components, wherein a volume of the housing is not greater than about 6.1 cubic inches.