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NB686GQ Datasheet High Current Synchronous Buck Converter

Manufacturer: Monolithic Power Systems

Overview: NB686 28 V, 8 A, Low Iq, High Current Synchronous Buck Converter with +/- 1 A LDO and Bufferd.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The NB686 provides a plete power supply with the highest density for DDR3, DDR3L, LPDDR3, and DDR4 memory.

It integrates a high-frequency, synchronous, rectified, stepdown, switch-mode converter (VDDQ) with a 1 A sink/source LDO (VTT) and buffered low noise reference (VTTREF).

The NB686 operates at high efficiency over a wide output current load range based on MPS proprietary switching loss reduction technology and internal low Ron power MOSFETs.

Key Features

  • include OC limit, OVP, UVP, thermal shutdown, and over-temperature warning (OTW). The converter requires a minimum number of external components, and it is available in a QFN 3mm x 3mm package.

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