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Multiple output DC-DC converter with different ranges of output assurance and capable of tolerating load transients
Multiple output DC-DC converter with different ranges of output assurance and capable of tolerating load transients
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机译:具有不同输出保证范围并能够承受负载瞬变的多输出DC-DC转换器
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摘要
A primary voltage generation circuitry and an auxiliary voltage generation circuitry is provided to a DC-DC converter. The primary voltage generation circuitry generates a primary voltage output, and the auxiliary voltage generation circuitry, in cooperation with the primary voltage generation circuitry, generates an auxiliary voltage output. The primary voltage generation circuitry includes a switching circuit element and an inductor element, whereas the auxiliary voltage generation circuitry includes an inductor element complementary to the inductor element of the primary voltage generation circuitry. The inductor element of the auxiliary voltage generation circuitry references the primary voltage output, and relies on a minimum load at the primary voltage output. Preferably, the auxiliary voltage generation circuitry further includes reference circuitry elements for regulating the auxiliary voltage output to a precise assurance range. As a result, multiple high precision voltage outputs are generated efficiently by the DC-DC converter in a cost effective manner.
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