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NB679AGD - Synchronous Buck Converter

Download the NB679AGD datasheet PDF. This datasheet also covers the NB679A variant, as both devices belong to the same synchronous buck converter family and are provided as variant models within a single manufacturer datasheet.

General Description

The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling.

Key Features

  • include OC limit, OVP, UVP, and thermal shutdown. The converter requires a minimum number of external components and is available in a QFN-12 2mm x 3mm package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (NB679A-MPS.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Monolithic Power Systems

Part Number Description
NB679A Synchronous Buck Converter
NB679 Fixed 5V-8A Synchronous Buck Converter
NB679GD Fixed 5V-8A Synchronous Buck Converter
NB670 High Current Synchronous Buck Converter
NB670GQ High Current Synchronous Buck Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NB679A 28V, Low IQ, Fixed 5.1V, 8A, Synchronous Buck Converter with 100mA LDO and LP# VOUT Scaling DESCRIPTION The NB679A is a fully integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter with a fixed 5.1V output and low-power mode voltage scaling. It offers a very compact solution to achieve an 8A continuous output current and a 10A peak output current over a wide input supply range with excellent load and line regulation. The NB679A 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. Adaptive constant-on-time (COT) control mode provides fast transient response and eases loop stabilization.