Texas Instruments SLVP089 manual Literature Number SLVU001A July

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SLVP089 Synchronous Buck

Converter Evaluation Module

User’s Guide

Literature Number: SLVU001A

July 1998

Printed on Recycled Paper

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Contents User’s Guide 07/98 Literature Number SLVU001A July Important Notice About This Manual Read This FirstTrademarks Contents Tables FiguresTopic HardwareTypical Synchronous Buck Converter IntroductionSchematic Diagram SchematicInput/Output Connections Power SupplyShows the SLVP089 board layout Board LayoutBill of Materials Bill of MaterialsLoad Regulation and Ripple, 3.3-V 9-V Input Test ResultsPower Switch Turn-On and Delay from Q2 Off Inductor and Output Ripple Page Design Procedure Introduction Operating Specifications Operating SpecificationsDuty Cycle Estimate Design Procedures+ 3 W Controller Functions + DD V O Compensation Network Bode Plot