Part NB685
Description Synchronous Buck Converter
Manufacturer Monolithic Power Systems
Size 1.49 MB
Monolithic Power Systems

NB685 Overview

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).

Key Features

  • Wide 4.5V to 28V Operating Input Range
  • Compatible for IMVP8
  • 135μA Low Quiescent Current
  • 12A Continuous Output Current
  • 13A Peak Output Current
  • Selectable Ultrasonic Mode
  • Selectable 500k/700k Switching Frequency
  • Built-In +/- 1A VTTLDO
  • 1% Buffered VTTREF Output
  • Adaptive COT for Fast Transient