LP2995MX/NOPB ,DDR Termination Regulator 8-SOIC 0 to 125FEATURES DESCRIPTIONThe LP2995 linear regulator is designed to meet the2• Low Output Voltage Offset ..
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LP2995MRX/NOPB-LP2995MX/NOPB
DDR Termination Regulator 16-WQFN 0 to 125
VTT
LP2995PVIN
VDDQ VREF
AVIN
VREF = 1.25V
VSENSE
GND50PF +
VDDQ = 2.5V
VDD = 2.5V
VTT = 1.25V
220PF
0.1PF
LP2995
www.ti.com SNVS190M –FEBRUARY 2002–REVISED MARCH 2013
LP2995 DDR Termination Regulator
Checkfor Samples: LP2995
1FEATURES DESCRIPTIONThe LP2995 linear regulatoris designedto meet the
Low Output Voltage Offset JEDEC SSTL-2 and SSTL-3 specifications for
• Works with +5v, +3.3v and 2.5v Rails terminationof DDR-SDRAM. The device containsa
Source and Sink Current high-speed operational amplifierto provide excellent
response to load transients. The output stage
• Low External Component Count prevents shoot through while delivering 1.5A
• No External Resistors Required continuous current and transient peaks upto 3Ain
• Linear Topology the application as required for DDR-SDRAM
termination. The LP2995 also incorporatesa VSENSE
• Availablein SOIC-8, SO PowerPAD-8or pinto provide superior load regulation anda VREF
WQFN-16 Packages output asa reference for the chipset and DDR
• Low Cost and Easyto Use DIMMS.
WHITE SPACE
APPLICATIONSWHITE SPACE
• DDR Termination Voltage SSTL-2 WHITE SPACE
SSTL-3 WHITE SPACE
Typical Application Circuit
