Analog Devices Inc.

Low Input Voltage, DC/DC Controller for DDR/QDR Memory Termination Features: Very Low VIN(MIN): 1.5V Ultrafast Transient Response True Current Mode Control 5V Drive for N-Channel MOSFETs Eliminates Auxillary 5V Supply No Sense Resistor Required Uses Standard 5V Logic-Level N-Channel MOSFETs VOUT(MIN): 0.4V VOUT Tracks 1/2 VIN or External VREF Symmetrical Source and Sink Output Current Limit Adjustable Switching Frequency tON(MIN) <100ns Power Good Output Voltage Monitor Programmable Soft-Start Output Overvoltage Protection Optional Short-Circuit Shutdown Timer Small 24-Lead SSOP Package

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