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FULL DATA SHEET (PDF, 184kB) Download   E-Mail The MAX1809 evaluation kit (EV kit) provides a +1.1V output voltage from a +3V to +5.5V input source. It sources and sinks up to 3A of current. The MAX1809 is a step-down switching regulator with an internal synchronous-rectifier that operates up to 1MHz, minimizing external components. The device features a resistor-programmable, fixed off-time current-mode operation for superior load- and line-transient response, and achieves efficiencies up to 93%.

Key Features		Applications/Uses
±3A Output Current Up to 1MHz Switching Frequency Up to 93% Efficiency Synchronous Rectification for Improved Efficiency Output Voltage: +1.1V to VIN Adjustable +3V to +5.5V Input Voltage Range Less than 1µA Typical IC Shutdown Current Surface-Mount Construction Fully Assembled and Tested		Active Termination Buses (MAX1993) DDR Memory Termination (MAX1993)

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