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NB672 - High Current Synchronous Buck Converter

Features

  • The NB672/NB673 provides a complete power supply for DDR3, DDR3L and LPDDR2 memory with the highest power density. It integrates a high frequency synchronous rectified step-down switch mode converter (VDDQ) with a 1.5A sink/source LDO (VTT) and buffered low noise reference (VTTREF). The fully integrated Buck converter of NB672/NB673 is able to deliver 6A/8A continuous output current and 8A/10A peak output current over a wide input supply range with excellent load and line regulation. The Buck c.

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Other Datasheets by MPS
  • NB672GL - High Current Synchronous Buck Converter
  • NB670 - High Current Synchronous Buck Converter
  • NB670GQ - High Current Synchronous Buck Converter
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  • NB673 - High Current Synchronous Buck Converter

Full PDF Text Transcription

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NB672/NB673 24V, High Current Synchronous Buck Converter With +/-1.5A LDO and Buffed Reference NOT RECOMMENDED FOR NEW DESIGNS, REFER TO NB685A DESCRIPTION FEATURES The NB672/NB673 provides a complete power supply for DDR3, DDR3L and LPDDR2 memory with the highest power density. It integrates a high frequency synchronous rectified step-down switch mode converter (VDDQ) with a 1.5A sink/source LDO (VTT) and buffered low noise reference (VTTREF). The fully integrated Buck converter of NB672/NB673 is able to deliver 6A/8A continuous output current and 8A/10A peak output current over a wide input supply range with excellent load and line regulation. The Buck converter employs the Constant-On-Time (COT) control scheme, which provides fast transient response and eases loop stabilization.
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