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FAN6550 - 2A DDR Bus Termination Regulator

Description

The FAN6550 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 FAN6550 can be implemented to produce regulated output voltages in two different modes.

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 0°C to 70°C operating range Shutdown for standby or suspend mode operation Therm.

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Full PDF Text Transcription

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www.fairchildsemi.com FAN6550 2A DDR Bus Termination Regulator 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 0°C to 70°C operating range Shutdown for standby or suspend mode operation Thermal Shutdown ≈ 130ºC Description The FAN6550 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 FAN6550 can be implemented to produce regulated output voltages in two different modes.
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