Evaluation Board User Guide
UG-402
One
Technology
Way
•
P.O.
Box
9106
•
Norwood,
MA
02062-9106,
U.S.A.
•
Tel:
781.329.4700
•
Fax:
781.461.3113
•
www.analog.com
i
Coupler
ADuM3070
Isolated Switch Regulator
With Integrated Feedback Evaluation Board
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 12
FEATURES
2 independent
ADuM3070
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
SUPPORTED
i
Coupler MODELS
ADuM3070
GENERAL DESCRIPTION
The
EVAL-ADuM3070EBZ
demonstrates two separate
applications for the
ADuM3070
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.
ADUM3070
EVALUATION BOARD
10653-
001
Figure 1. Double Supply (Top) and Single Supply (Bottom) Configurations