Key facts
- Brand
- Analog Devices
- Model
- ADuM3070
- Category
- Power Management
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-18
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Analog Devices UG-402 ADuM3070 Isolated Switch Regulator Evaluation Board User Guide
The document provides instructions for using the EVAL-ADU3070EBZ evaluation board to demonstrate two independent applications for the ADuM3070 isolated switch regulator with integrated feedback. The board features two separate power supply circuits: a double supply configuration and a single supply configuration.
Read onlineAnalog Devices ADuM3070 specifications
| Maximum Output Power | 2.5 W |
|---|---|
| Output Voltage Range | 3.3 V to 24 V |
| Efficiency | Up to 80% |
| Switching Frequency Range | 200 kHz to 1 MHz |
| Isolation Voltage | 2500 V rms |
| Common-Mode Transient Immunity | >25 kV/µs |
| Package Type | 16-lead QSOP |
| Operating Temperature | 105°C |
All Analog Devices ADuM3070 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum output power of the ADuM3070?
The ADuM3070 is designed for a primary side transformer driver supporting up to 2.5 W output power.
Does the ADuM3070 require an external optocoupler?
No, it uses internal isolated PWM feedback based on iCoupler technology, eliminating the need for an optocoupler.
What transformer options are supported by the evaluation board?
The board supports Coilcraft and Halo transformer options.
From: Analog Devices UG-402 ADuM3070 Isolated Switch Regulator Evaluation Board User Guide
How is the switching frequency configured on the single supply?
It is set by a resistor connected from the oscillator control pin (OC) to ground, selectable via R10 and R11.
From: Analog Devices UG-402 ADuM3070 Isolated Switch Regulator Evaluation Board User Guide