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NCP51190 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP51190 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 8 page © Semiconductor Components Industries, LLC, 2013 May, 2013 − Rev. 0 1 Publication Order Number: NCP51190/D NCP51190 1.5A DDR Memory Termination Regulator The NCP51190 is a simple, cost−effective, high−speed linear regulator designed to generate the VTT termination voltage rail for DDR−I, DDR−II and DDR−III memory. The regulator is capable of actively sourcing or sinking up to ±1.5 A for DDR−I, or up to ±0.5 A for DDR−II /−III while regulating the output voltage to within ±30 mV. The output termination voltage is tightly regulated to track VTT = (VDDQ / 2) over the entire current range. The NCP51190 incorporates a high−speed differential amplifier to provide ultra−fast response to line and load transients. Other features include extremely low initial offset voltage, excellent load regulation, source/sink soft−start and on−chip thermal shut−down protection. The NCP51190 features the power−saving Suspend To Ram (STR) function which will tri−state the regulator output and lower the quiescent current drawn when the /SS pin is pulled low. The NCP51190 is available in a DFN8 package. Features • Generate DDR Memory Termination Voltage (VTT) • For DDR−I, DDR−II, DDR−III Source / Sink Currents • Supports DDR−I to ±1.5 A, DDR−II, DDR−III to ±0.5 A (peak) • Integrated Power MOSFETs with Thermal Protection • Stable with 10 mF Ceramic VTT Capacitor • High Accuracy Output Voltage at Full−Load • Minimal External Component Count • Shutdown for Standby or Suspend to RAM (STR) mode • Built−in Soft Start • These are Pb−Free Devices Appications • Desktop PC’s, Notebooks, and Workstations • Graphics Card DDR Memory Termination • Set Top Boxes, Digital TV’s, Printers • Embedded Systems • Active Bus Termination MARKING DIAGRAM http://onsemi.com DFN8 MN SUFFIX CASE 506AA Device Package Shipping† ORDERING INFORMATION DFN8 (Pb−Free) 3000 / Tape & Reel NCP51190MNTAG PIN CONNECTION †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 1 A5MG G 1 A5 = Specific Device Code M = Date Code G = Pb−Free Device (Note: Microdot may be in either location) |
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