ADUM5020

RECOMMENDED FOR NEW DESIGNS

Low Emission 500 mW Isolated DC-to-DC Converter

Analog Devices ADUM5020 Product Info

10 February 2026 5

Features

isoPower integrated, isolated dc-to-dc converter
100 mA output current for ADuM5020
60 mA output current for ADuM5028
Meets CISPR22 Class B emissions limits at full load on a 2-layer PCB
16-lead SOIC_W package with 7.8 mm minimum creepage
8-lead SOIC_IC package with 8.3 mm minimum creepage
High temperature operation: 125°C maximum

Safety and regulatory approvals
- UL recognition (pending)
  - 3000 V rms for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A (pending)
- VDE certificate of conformity (pending)
  - VDE V 0884-10
  - V_IORM = 565 V peak
- CQC certification per GB4943.1-2011 (pending)

Part details & applications

The ADuM5020 is an isoPower^®, integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler^® technology, the dc-to-dc converter provides regulated, isolated power that is below CISPR22 Class B limits at full load on a 2-layer printed circuit board (PCB) with ferrites.

The ADuM5020 eliminates the need to design and build an isolated dc-to-dc converter in 500 mW applications. The iCoupler chip scale transformer technology is used for the magnetic components of the dc-to-dc converter. The result is a small form factor, isolated solution.

The ADuM5020 isolated dc-to-dc converter is available in a wide-body 16-lead SOIC package.

Applications

RS-485/RS-422/CAN transceiver power
Power supply startup bias and gate drives
Isolated sensor interfaces
Industrial PLCs

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