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SS6578

Part Number	SS6578
Manufacturer	Silicon
Description	HIGH EFFICIENCY STEP DOWN DC/DC CONTROLLER
Published	Feb 17, 2007
Detailed Description	www.DataSheet4U.com SS6578 High-Efficiency, Step-Down DC/DC Controller FEATURES 4V to 18V input voltage operation. High...
Datasheet	SS6578 PDF File

Overview

www.
DataSheet4U.
com SS6578 High-Efficiency, Step-Down DC/DC Controller FEATURES 4V to 18V input voltage operation.
High-efficiency (up to 95%).
Low quiescent current at 90µA.
Pulse-skipping and pulse-frequency modulation.
Inputs-uncommitted current-sense comparator.
Duty-cycle adjustable.
90KHz to 280KHz oscillator frequency.
Power-saving shutdown mode (8µA typical).
Push-pull driver output.
DESCRIPTION The SS6578 is a high performance step-down DC/DC controller, designed to drive an external P-channel MOSFET to generate programmable output voltages.
Two main schemes of Pulse-Skipping and Pulse-Frequency Modulation are employed to maintain low quiescent current and high conversion efficien...

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