NB685GQ - Synchronous Buck Converter

Monolithic Power Systems

Download the NB685GQ datasheet PDF. This datasheet also includes the NB685 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

NB685GQ synchronous buck converter by Monolithic Power Systems - Datasheet Preview — Note: The manufacturer provides a single datasheet file (NB685-MPS.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	NB685GQ
Manufacturer	Monolithic Power Systems
File Size	1.49 MB
Description	Synchronous Buck Converter
Datasheet	NB685GQ Datasheet

General Description

The NB685 provides a complete 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 1A sink/source LDO (VTT) and buffered low noise reference (VTTREF).

The NB685 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.

Overview

NB685 28V, 12A, Low Iq, High-Current, Synchronous Buck Converter with +/- 1A LDO and Buffered.

Key Features

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

More Datasheets from Monolithic Power Systems

Part Number	Description
NB685	Synchronous Buck Converter
NB685A	Synchronous Buck Converter
NB685AGQ	Synchronous Buck Converter
NB680	Synchronous Buck Converter
NB680A	Synchronous Buck Converter
NB680AGD	Synchronous Buck Converter
NB680GD	Synchronous Buck Converter
NB681	High Current Synchronous Buck Converter
NB681A	Synchronous Buck Converter
NB681AGD	Synchronous Buck Converter