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 | Kit Overview
The Analog Devices EVAL-ADuM3070EBZEVAL-ADuM3070EBZ demonstrates two separate applications for the ADuM3070ADuM3070 isolated switch regulator with integrated feedback. It has two independent power supply circuits: a double supply and a single supply. The switching frequency can be set from 200 kHz to 1000 kHz. The board supports a variety of I/O configurations and multiple trans-former options. It is equipped with two ADuM3070 isolators.
The ADuM3070ADuM3070 isolator is a regulated dc-to-dc isolated power supply controller with an internal MOSFET driver. The dc-to-dc controller has an internal isolated PWM feedback from the secondary side based on the iCoupler chip scale transformer technology and complete loop compensation. This eliminates the need to use an optocoupler for feedback and compensates the loop for stability.
The ADuM3070ADuM3070 isolator provides a more stable output voltage and higher efficiency compared to unregulated isolated dc-to-dc power supplies. The regulated feedback provides a relatively flat efficiency curve over the full output power range.
Key Applications: Power supply startup bias and gate drives, Isolated sensor interfaces, Process controls | |||||||||||
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Technical Documents
Learning Center
Design Elements
| Type | Description |
|---|---|
| CAD Model | ADI: CAD Model for ADUM3070ARQZ |
Video
Kit Features
Key Features for EVAL-ADuM3070EBZEVAL-ADuM3070EBZ Evaluation Board are as below:
- 2 independent ADuM3070ADuM3070 circuits including 2.5 kV rms
- isolated dc-to-dc converters
- Single supply
- 5 V in to 5 V out (regulated)
- Reconfigurable to 5 V in to 3.3 V out or 3.3 V in to 3.3 V out
- Double supply
- 5 V in to 15 V out (regulated) and 7.5 V out (unregulated)
- Reconfigurable to 5 V in to 12 V out (regulated) and 6 V out (unregulated)
- Footprints for Coilcraft and Halo transformer options
- Multiple switching frequency options
Kit Contents
The Analog Devices EVAL-ADuM3070EBZEVAL-ADuM3070EBZ is supplied with below contents:
- Evaluation Board