vicorpower.com EU17V1 ©2017 Vicor Corporation. All rights reserved. The Solution To convert the 12V car battery voltage into the two 5V voltage rails for the display, two pairs of ZVS Buck Regulators were used. These parts allow current sharing and interleaving operation and provided the necessary current of 25A. To reduce the high current peaks drawn by the load capacitors during start up, the soft start capacitor of the regulators was increased to slow down the ramp-up process. The Customer's Challenge A manufacturer of advertising displays was developing an upgrade to a system to be mounted on vehicles in different parts of the world, which had to work reliably in extreme temperatures. Their existing system was experiencing reliability issues in these extreme temperatures. The

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