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LTC3718
Low Input Voltage DC/DC Controller for DDR/QDR Memory Termination
FEATURES
s Very Low VIN(MIN): 1.5V s Ultrafast Transient Response s True Current Mode Control s 5V Drive for N-Channel MOSFETs Eliminates
Auxillary 5V Supply s No Sense Resistor Required s Uses Standard 5V Logic-Level N-Channel MOSFETs s VOUT(MIN): 0.4V s VOUT Tracks 1/2 VIN or External VREF s Symmetrical Source and Sink Output Current Limit s Adjustable Switching Frequency s tON(MIN) <100ns s Power Good Output Voltage Monitor s Programmable Soft-Start s Output Overvoltage Protection s Optional Short-Circuit Shutdown Timer s Small 24-Lead SSOP Package
U APPLICATIO S
s Bus Termination: DDR/QDR Memory, SSTL, HSTL, ...