NCP51198: 1.5 A DDR Termination Regulator

Description: The NCP51198 is a simple, cost-effective, high-spe...
  • The NCP51198 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.
  • Features
  • Generate DDR Memory Termination Voltage (VTT)
  • For DDRI, DDRII, DDRIII Source / Sink Currents
  • Supports DDRI to 1.5 A, DDRII to 0.5 A (peak)
  • Integrated Power MOSFETs with Thermal Protection
  • Stable with 10UF Ceramic VTT Capacitor
  • High Accuracy Output Voltage at FullLoad
  • Minimal External Component Count
  • Shutdown for Standby or Suspend to RAM (STR) mode
  • Builtin Soft Start
  • Set Top Boxes, Digital TVs, Printers
  • Applications
  • Desktop PCs, Notebooks, and Workstations
  • Graphics Card DDR Memory Termination
  • Embedded Systems
  • Active Bus Termination
  • Technical Documentation & Design Resources
    Availability and Samples
    NCP51198PDR2G
  • Status: Active
  • Compliance: Pb-free Halide free 
  • Description: 1.5 A DDR Termination Regulator
  • Package Type: SOIC-8 NB EP
  • Package Case Outline: 751BU
  • MSL: 3
  • Container Type: REEL
  • Container Qty: 2500
  • Inventory

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  • NCV51198PDR2G
  • Status: Active
  • Compliance: AEC Qualified PPAP Capable Pb-free Halide free 
  • Description: 1.5 A DDR Termination Regulator
  • Package Type: SOIC-8 NB EP
  • Package Case Outline: 751BU
  • MSL: 2
  • Container Type: REEL
  • Container Qty: 2500
  • Specifications
  • IOUT VTT Max (A): 1.5 
  • IQ Typ (µA): 380 
  • VCC Bias Min (V): 2.2 
  • VCC Bias Max (V): 5.5 
  • Remote Sense: Yes 
  • Power Good: No 
  • Package Type: SOIC-8 NB EP 
  • ON Semiconductor Full Web Site