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特性
- isoPower integrated, isolated DC-to-DC converter
- 100 mA output supply
- Meets CISPR 32/EN55032 Class B emission limits up to 5 Mbps at full load on a 2-layer PCB
- Dual DC to 100 Mbps signal isolation channels
- 28-lead, fine pitch, SOIC with 8.3 mm minimum creepage
- High temperature operation: 125°C maximum
- High common-mode transient immunity: 100 kV/µs
- Safety and regulatory approvals
- UL 1577
- VISO = 5000 V rms for 1 minute
- IEC/EN/CSA 62368-1
- IEC/CSA 60601-1
- IEC/CSA 61010-1
- CQC GB 4943.1
- DIN EN IEC 60747-17 (VDE 0884-17) (pending)
- VIORM = 596 V peak
产品详情和应用
The ADuM6221A is a dual-channel digital isolators with an isoPower ®, integrated, isolated DC-to-DC converter. Based on the Analog Devices, Inc., iCoupler® technology, the DC-to-DC converter provides regulated, isolated power that meets CISPR 32/EN 55032 Class B limits at full load on a 2-layer printed circuit board (PCB) with ferrites. Popular voltage combinations and the associated output current levels are listed in Table 1.
The ADuM6221A eliminates the need for a separate, isolated DC-to-DC converter in 500 mW, isolated designs. The iCoupler chip scale transformer technology is used for isolated logic signals and for the magnetic components of the DC-to-DC converter. The result is a small form factor and total isolation solution.
The ADuM6221A isolators provide two independent isolation channels (for more details, see the Pin Configurations and Function Descriptions section).
Applications
- RS-232 transceivers
- Power supply start-up bias and gate drives
- Isolated sensor interfaces
- Automotive on-board charger (OBC) and DC-to-DC
- Industrial programmable logic controllers (PLCs)
