DC-DC converter
First Claim
1. A DC-DC converter comprising:
- a transformer;
a high voltage-side switching circuit section electrically disposed between the transformer and a high voltage-side circuit section;
a low voltage-side switching circuit section electrically disposed between the transformer and a low voltage-side circuit section;
a noise filter circuit section electrically disposed between the low voltage-side switching circuit section and the low voltage-side circuit section;
a metallic case that houses the transformer, the high voltage-side switching circuit section, the low voltage-side switching circuit section, and the noise filter circuit section;
a drive circuit board having a drive circuit that drives the low voltage-side switching circuit section; and
a metallic base board having the drive circuit board mounted thereon,wherein the case has a metallic partition wall disposed in an interior portion of the case and connected to the case;
the partition wall is disposed between, and completely separates from each other, the low voltage-side switching circuit section and the noise filter circuit section; and
the partition wall is connected to the base board.
2 Assignments
0 Petitions
Accused Products
Abstract
There is provided a device in which superimposition of noise radiated from a circuit is reduced, and a noise reducing effect of a filter is ensured. A DC-DC converter according to the present invention includes a transformer, a high voltage-side switching circuit section, a low voltage-side switching circuit section, a noise filter circuit section electrically disposed between the low voltage-side switching circuit section and the low voltage-side circuit section, a metallic case that houses the transformer, the high voltage-side switching circuit section, the low voltage-side switching circuit section, and the noise filter circuit section, a drive circuit board having a drive circuit that drives the low voltage-side switching circuit section, and a metallic base board having the drive circuit board mounted thereon. The case has a metallic partition wall connected to the case. The partition wall is disposed between the low voltage-side switching circuit section and the noise filter circuit section. The partition wall is connected to the base board.
8 Citations
5 Claims
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1. A DC-DC converter comprising:
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a transformer; a high voltage-side switching circuit section electrically disposed between the transformer and a high voltage-side circuit section; a low voltage-side switching circuit section electrically disposed between the transformer and a low voltage-side circuit section; a noise filter circuit section electrically disposed between the low voltage-side switching circuit section and the low voltage-side circuit section; a metallic case that houses the transformer, the high voltage-side switching circuit section, the low voltage-side switching circuit section, and the noise filter circuit section; a drive circuit board having a drive circuit that drives the low voltage-side switching circuit section; and a metallic base board having the drive circuit board mounted thereon, wherein the case has a metallic partition wall disposed in an interior portion of the case and connected to the case; the partition wall is disposed between, and completely separates from each other, the low voltage-side switching circuit section and the noise filter circuit section; and the partition wall is connected to the base board. - View Dependent Claims (2, 3, 4, 5)
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Specification