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FAN6555 Datasheet 2A DDR Bus Termination Regulator

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN6555 2A DDR Bus Termination Regulator.

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General Description

The FAN6555 switching regulator is designed to convert voltage supplies ranging from 2.3V to 4V into a desired output voltage or termination voltage for DDR SDRAM memory.

The FAN6555 can be implemented to produce regulated output voltages in two different modes.

In the default mode, when the VREF pin is open, the FAN6555 output voltage is 50% of the voltage applied to VCCQ.

Key Features

  • Can source and sink up to 2A continous, 3A peak No heatsink required Integrated Power MOSFETs Generates termination voltages for DDR SDRAM VREF input available for external voltage divider Separate voltages for VCCQ and PVDD Buffered VREF output VOUT of ±3% or less at 2A Minimum external components 16-pin SOIC package -40°C to +85°C operating temperature range Shutdow.

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