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PTH12050Y Datasheet 6-a Non-isolated Ddr/qdr Memory Bus Termination Modules

Manufacturer: Texas Instruments

Overview: www.ti.com PTH03050Y PTH05050Y PTH12050Y SLTS221A – MARCH 2004 – REVISED OCTOBER 2005 6-A NON-ISOLATED DDR/QDR MEMORY BUS TERMINATION.

General Description

The PTHxx050Y are a series of ready-to-use switching regulator modules from Texas Instruments designed specifically for bus termination in DDR and QDR memory applications.

Operating from either a 3.3-V, 5-V or 12-V input, the modules generate a VTT output that will source or sink up to 6 A of current (8 A transient) to accurately track their VREF input.

VTT is the required bus termination supply voltage, and VREF is the reference voltage for the memory and chipset bus receiver comparators.

Key Features

  • VTT Bus Termination Output (Output Tracks the System VREF).
  • 6 A Output Current (8 A Peak).
  • 3.3-V, 5-V or 12-V Input Voltage.
  • DDR and QDR Compatible.
  • On/Off Inhibit (for VTT Standby).
  • Undervoltage Lockout.
  • Operating Temperature:.
  • 40°C to 85°C.
  • Efficiencies up to 88%.
  • Output Overcurrent Protection (Non-Latching, Auto-Reset).
  • 50 W/in3 Power Density.
  • Safety Agency Approvals: UL/cUL60950, EN60.

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