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NEX40400 - synchronous step-down converter

General Description

The NEX40400 is a high efficiency step-down converter with low operating quiescent current of typically 60 µA.

It provides up to 600 mA output with current mode control for fast loop response.

Key Features

  • 4.5 V to 40 V wide input voltage range.
  • 600 mA continuous output current.
  • 60 µA standby, 0.3 µA shutdown current.
  • 1% output voltage accuracy.
  • 1.05 MHz and 2.1 MHz fixed switching frequency.
  • Pulse Frequency Modulation (PFM) option for light load efficiency.
  • Frequency foldback for high conversion ratio and low drop-out.

📥 Download Datasheet

Datasheet Details

Part number NEX40400
Manufacturer Nexperia
File Size 3.72 MB
Description synchronous step-down converter
Datasheet download datasheet NEX40400 Datasheet

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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
NEX40400 4.5 V to 40 V, 600 mA, synchronous step-down converter Rev. 1 — 6 December 2024 Product data sheet 1. General description The NEX40400 is a high efficiency step-down converter with low operating quiescent current of typically 60 µA. It provides up to 600 mA output with current mode control for fast loop response. The wide 4.5 V to 40 V input range is suitable for variety of the power step-down applications in industrial and automotive environments. 0.3 µA ultralow shutdown supply current allows use in batterypowered applications. High power conversion efficiency across a wide load range is achieved by folding down the switching frequency at light load condition reducing the switching losses.