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TJ2997GDP Datasheet(PDF) 1 Page - HTC Korea TAEJIN Technology Co. |
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TJ2997GDP Datasheet(HTML) 1 Page - HTC Korea TAEJIN Technology Co. |
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1 / 13 page  DDR Termination Regulator TJ2997 Apr, 2011 - R1.0.1 1/13 HTC SOP8 / SOP8-PP PKG ORDERING INFORMATION Device Package TJ2997GD SOP8 TJ2997GDP SOP8-PP FEATURES Source and sink current Low output voltage offset No external resistors required Linear topology Suspend to Ram (STR) functionality Low external component count Thermal Shutdown Available in SOP8, SOP8-PP Packages APPLICATION DDR -II and -III Termination Voltage SSTL Termination HSTL Termination DESCRIPSION The TJ2997 linear regulator is designed to meet the JEDEC SSTL specifications for termination of DDR- SDRAM. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering up to 1.5A continuous current and transient peaks up to 3A with respect to PVIN operating condition in the application as required for DDR- SDRAM termination. The TJ2997 also incorporates a VSENSE pin to provide superior load regulation and a VREF output as a reference for the chipset and DIMMs. An additional feature found on the TJ2997 is an active high enable (EN) pin that provides Suspend To RAM (STR) functionality. When EN is pulled low the VTT output will tri-state providing a high impedance output, but, VREF will remain active. A power savings advantage can be obtained in this mode through lower quiescent current. Absolute Maximum Ratings CHARACTERISTIC SYMBOL MIN. MAX. UNIT Supply Voltage to GND PVIN AVIN VDDQ -0.3 -0.3 -0.3 6.0 6.0 6.0 V Lead Temperature (Soldering, 10 sec) TSOL 260 ℃ Storage Temperature Range TSTG -65 150 ℃ Operating Junction Temperature Range TJOPR -40 125 ℃ Recommended Operation Range CHARACTERISTIC SYMBOL MIN. MAX. UNIT AVIN to GND AVIN 2.3 5.5 V PVIN & EN to GND PVIN & EN 0 AVIN V Ordering Information Package Order No. Description Package Marking Supplied As SOP8 TJ2997GD DDR Termination Regulator TJ2997G Reel SOP8-PP TJ2997GDP DDR Termination Regulator TJ2997G Reel |
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