ADuM5401W Isolators IC Chip

ADuM5401W(Quad-Channel Isolators with Integrated DC-to-DC Converter)

Introduction

The ADuM5401W/ADuM5402W/ADuM5403W devices are quad-channel digital isolators with isoPower®, an integrated,isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler® technology, the dc-to-dc converter provides up to 500mW of regulated, isolated power at 5.0 V.These devices eliminate the need for a separate, isolated dc-to-dc converter in low power, isolated designs. The iCoupler chip scale transformer technology is used to isolate the logic signals and for the magnetic components of the dc-to- dc converter.
The result is a small form factor, total isolation solution.

The ADuM5401W-1/ADuM5402W-1/ADuM5403W-1 versions of the isolators provide an upgraded voltage reference to ensure proper startup under all load conditions.

isoPower uses high frequency switching elements to transfer power through its transformer. Special care must be taken during printed circuit board (PCB) layout to meet emissions standards.

Feature

• isoPower integrated, isolated dc-to-dc converter
• Qualified for automotive applications
• Regulated 5V or 3.3V output
• Up to 500mW output power
• Quad dc-to-25 Mbps (NRZ) signal isolation channels
• 16-lead SOlC package with 7.6 mm creepage
• High temperature operation: 105°C
• High common-mode transient immunity: >25 kV/μs
• Safety and regulatory approvals
  -UL recognition: 2500 V rms for1 minute per UL 1577
  -CSA Component Acceptance Notice 5A
  -VDE certificate of conformity
  -DIN EN 69747-5-2 (VDE 0884 Teil 2):2003-1
  -VIoRM = 565V peak

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