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ADuM5211

Analog Devices
Part Number ADuM5211
Manufacturer Analog Devices
Description Dual-Channel Isolators
Published Jun 15, 2015
Detailed Description Data Sheet Dual-Channel Isolators with Integrated DC-to-DC Converters ADuM5210/ADuM5211/ADuM5212 FEATURES isoPower int...
Datasheet PDF File ADuM5211 PDF File

ADuM5211
ADuM5211

Overview
Data Sheet Dual-Channel Isolators with Integrated DC-to-DC Converters ADuM5210/ADuM5211/ADuM5212 FEATURES isoPower integrated, isolated dc-to-dc converter Regulated 3.
15 V to 5.
25 V output Up to 150 mW output power Dual dc-to-100 Mbps (NRZ) signal isolation channels Soft start power supply 20-lead SSOP package with 5.
3 mm creepage Supports SPI up to 15 MHz High temperature operation: 105°C High common-mode transient immunity: >25 kV/µs Safety and regulatory approvals UL recognition (pending) 2500 V rms for 1 minute per UL 1577 CSA Component Acceptance Notice #5A (pending) VDE certificate of conformity (pending) DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 VIORM = 560 V peak APPLICATIONS RS-232 transceivers Power supply start-up bias and gate drives Isolated sensor interfaces Industrial PLCs GENERAL DESCRIPTION The ADuM5210/ADuM5211/ADuM52121 are dual-channel digital isolators with isoPower®, an integrated, isolated dc-to-dc converter.
Based on the Analog Devices, Inc.
, iCoupler® technology, the dc-todc converter provides regulated, isolated power that is adjustable between 3.
15 V and 5.
25 V.
Input supply voltages can range from slightly below the required output to significantly higher.
Popular voltage combinations and their associated power levels are shown in Table 1.
The ADuM5210/ADuM5211/ADuM5212 eliminate the need for a separate, isolated dc-to-dc converter in low power, isolated designs.
The iCoupler chip-scale transformer technology is used for isolated logic signals and for the magnetic components of the dcto-dc converter.
The result is a small form factor, total isolation solution.
isoPower uses high frequency switching elements to transfer power through its transformer.
Take special care during printed circuit board (PCB) layout to meet emissions standards.
See the AN-0971 Application Note for board layout recommendations.
FUNCTIONAL BLOCK DIAGRAM VDD1 1 GNDP 2 VIA/VOA 3 VIB/VOB 4 GNDP 5 GNDP 6 NC 7 PDIS 8 VDDP 9 GNDP 10 20 VDD2 2-CHANNEL iCoupler COR...


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