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DDR Memory Power Supply: 3.6V to 15Vin, VTT Powered from VDD

2015-03-21 01:22  
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View Full Size Image View Original DatasheetDDR Memory Power Supply: 3.6V to 15Vin, VTT Powered from VDDQ

The LTC3634 is a high efficiency, dual-channel monolithic synchronous step-down regulator which provides power supply and bus termination rails for DDR1, DDR2, and DDR3 SDRAM controllers. The operating input voltage range is 3.6V to 15V, making it suitable for point-of-load power supply applications from a 5V or 12V input, as well as various battery powered systems. The VTT regulated output voltage is equal to VDDQIN? 0.5. An on-chip buffer capable of driving a 10mA load provides a low noise reference output (VTTR) also equal to VDDQIN ? 0.5.

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