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ML6554 - 3A Bus Termination Regulator

General Description

The ML6554 switching regulator is designed to convert voltage supplies ranging from 2.3V to 4V into a desired output voltage or termination voltage for various applications.

The ML6554 can be implemented to produce regulated output voltages in two different modes.

Key Features

  • Can source and sink up to 3A, no heat sink required.
  • Integrated Power MOSFETs.
  • Generates termination voltages for DDR SDRAM, SSTL-2 SDRAM, SGRAM, or equivalent memories.
  • Generates termination voltages for active termination schemes for DDR SDRAM, GTL+, Rambus, VME, LV-TTL, HSTL, PECL and other high speed logic.
  • VREF input available for external voltage divider.
  • Separate voltages for VCCQ and PVDD.
  • Buffered VREF output.
  • VOUT.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.fairchildsemi.com ML6554 3A Bus Termination Regulator Features • Can source and sink up to 3A, no heat sink required • Integrated Power MOSFETs • Generates termination voltages for DDR SDRAM, SSTL-2 SDRAM, SGRAM, or equivalent memories • Generates termination voltages for active termination schemes for DDR SDRAM, GTL+, Rambus, VME, LV-TTL, HSTL, PECL and other high speed logic • VREF input available for external voltage divider • Separate voltages for VCCQ and PVDD • Buffered VREF output • VOUT of ±3% or less at 3A • Minimum external components • Shutdown for standby or suspend mode operation • 0° to +70°C and -40° to +85°C temperature ranges available • Thermal Shutdown ≈ 130ºC Description The ML6554 switching regulator is designed to convert voltage supplies ranging from 2.