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The development of micro-inductors is still a challenge to improve the integration level of low power DC-DC converters. The temperature rise due to self-heating or higher ambient temperature represents a risk for system operation. Unfortunately, the use of a heat sink increases the size of the converter and it is more difficult to extract the heat flow dissipated from a smaller area. The increase...
Paper presents simulation and primary experimental results about the fabrication of planar inductances for monolithic DC/DC converters in System-In-Package environment. A microwave magnetic material (YIG) and electroplated copper winding are proposed. A low-cost manufacturing process is proposed that uses dry film instead of UV SU8 resin. Literature details similar manufacturing processes but the...
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