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DC-DC Converter Solutions
Space Level Distributed Power Architecture (DPA) Solutions
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A generic example of such DPA system is depicted below. The ZA design platform is used as the primary down
converter and the SBA and SBB POL modules as POLs. The ZA with its world class efficiency performance of greater
than 92% is an ideal converter to feed all down stream SBA and SBB POLs. The DPA system configuration offers many
benefits now that newer digital design applications require lower I/O and core voltages and higher current. The
benefits include reduced distribution losses, improved steady state and transient performance, optimum heat
distribution, and smaller distribution cables and harnesses. Additionally, each POL can be optimized independently
for their functions; future design upgrade can also be easily achieved without or with very minimum mechanical
reconfiguration.
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