U U
FEATURES
s VOUT as Low as 0.
4V s High Power Switching
Regulator Controller
for DDR Memory Termination s VOUT Tracks 1/2 of VIN or External VREF s No Current Sense Resistor Required s Low VCC Supply: 3V to 8V s Maximum Duty Cycle 91% Over Temperature s Drives All N-Channel External MOSFETs s High Efficiency: Up to 95% s Programmable Fixed Frequency Operation:
100kHz to 500kHz s External Clock Synchronization Operation s Programmable Soft-Start s Low Shutdown Current: 10µA s Overtemperature Protection
s Available in 16-PUin Narrow SSOP Package APPLICATIO S
s DDR SDRAM Termination s SSTL_2, SSTL_3 Interface s HSTL Interface
LTC3831-1
High Power Synchronous Switching
Regulator Controlle...