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TPS54917,pdf(3V-4V Input, 9A O

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As a member of the SWIFT family of dc/dc regulators, the TPS54917 low-input voltage high-output current synchronous buck PWM converter offers the same features as the TPS54910 in a smaller package and higher switching frequency, which allows for a smaller total soluTIon. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance under transient condiTIons and flexibility in choosing the output filter L and C components; an undervoltage-lockout circuit to prevent start-up unTIl the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.
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