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ADUM5403ARWZ Datasheet(PDF) 1 Page - Analog Devices |
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ADUM5403ARWZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 28 page Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter Data Sheet ADuM5401/ADuM5402/ADuM5403/ADuM5404 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2008–2012 Analog Devices, Inc. All rights reserved. FEATURES isoPower integrated, isolated dc-to-dc converter Regulated 3.3 V or 5.0 V output Up to 500 mW output power Quad dc-to-25 Mbps (NRZ) signal isolation channels 16-lead SOIC package with 7.6 mm creepage High temperature operation: 105°C maximum High common-mode transient immunity: >25 kV/μs Safety and regulatory approvals UL recognition 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A VDE certificate of conformity (pending) IEC 60747-5-2 (VDE 0884, Part 2) VIORM = 560 V peak APPLICATIONS RS-232/RS-422/RS-485 transceivers Industrial field bus isolation Power supply start-up bias and gate drives Isolated sensor interfaces Industrial PLCs GENERAL DESCRIPTION The ADuM5401/ADuM5402/ADuM5403/ADuM54041 are quad-channel digital isolators with isoPower®, an integrated, isolated dc-to-dc converter. Based on the Analog Devices, Inc., i Coupler® technology, the dc-to-dc converter provides up to 500 mW of regulated, isolated power at either 5.0 V or 3.3 V from a 5.0 V input supply, or at 3.3 V from a 3.3 V supply at the power levels shown in Table 1. 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 power and feedback paths in the dc-to-dc converter. The result is a small form factor, total isolation solution. The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators provide four independent isolation channels in a variety of channel configurations and data rates (see the Ordering Guide for more information). iso Power 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. See the AN-0971 Application Note for board layout recommendations. FUNCTIONAL BLOCK DIAGRAMS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OSC RECT 4 CHANNEL iCOUPLER CORE VDD1 REG GND1 VIA/VOA VIB/VOB VIC/VOC VOD RCOUT GND1 VISO GNDISO VOA/VIA VOB/VIB VOC/VIC VID VSEL GNDISO ADuM5401/ADuM5402/ ADuM5403/ADuM5404 Figure 1. 3 4 5 6 14 13 12 11 ADuM5401 VIA VIB VOA VOB VIC VOC VOD VID Figure 2. ADuM5401 3 4 5 6 14 13 12 11 ADuM5402 VIA VIB VOA VOB VOC VIC VOD VID Figure 3. ADuM5402 3 4 5 6 14 13 12 11 ADuM5403 VIA VOB VOA VIB VOC VIC VOD VID Figure 4. ADuM5403 3 4 5 6 14 13 12 11 ADuM5404 VOA VOB VIA VIB VOC VIC VOD VID Figure 5. ADuM5404 Table 1. Power Levels Input Voltage (V) Output Voltage (V) Output Power (mW) 5.0 5.0 500 5.0 3.3 330 3.3 3.3 200 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending. |
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