GENERAL DESCRIPTION
The SL1583 is a fully integrated, highefficiency 2A synchronous rectified stepdownconverter. The SL1583 operatesat high efficiency over a wide output currentload range. This device offers twooperation modes, PWM control and PFMMode switching control, which allows ahigh efficiency over the wider range of theload. The SL1583 requires a minimumnumber of readily available standardexternal components and is available in a6-pin SOT23-6 compliant package. FEATURES ■High Efficiency:Up to 98%
■ 600KHz Frequency Operation
■ 2AOutput Current
■ NoSchottky Diode Required
■ 4.0V to 18V Input Voltage Range
■ 0.6V ReferenceSlope Compensated Current ModeControl for Excellent Line andLoad Transient Response
■Integrated internal compensationStable with Low ESR CeramicOutput CapacitorsOver Current Protection withHiccup-ModeThermal Shutdown
■ Inrush Current Limit and Soft Start
■ Available in SOT23-6 Package
■ -40°Cto+85°C Temperature Range APPLICATIONS
■ Distributed Power Systems
■ Digital Set Top Boxes
■ Flat Panel Television and Monitors
■ Wireless and DSL Modems
■ Notebook Computer TYPICAL APPLICATION
