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ADUM3470
PRODUCTIONIsolated Switching Regulators (4/0 Channel Directionality)
Part Details
- Isolated PWM Controller
- Integrated transformer driver
- Regulated adjustable output: 3.3 V to 24 V
- 2 W output power
- 70% efficiency at guaranteed load of 400 mA at 5.0 V output
- Quad dc-to-25 Mbps (NRZ) signal isolation channels
- 20-lead SSOP package
- High temperature operation: 105°C
- High common-mode transient immunity: >25 kV/μs
- 200 kHz to 1 MHz adjustable oscillator frequency
- Soft start function at power-up
- Pulse-by-pulse overcurrent protection
- Thermal shutdown
- 2500 V rms isolation
- Evaluation Board available
- Automotive Qualified
The ADuM3470 / ADuM3471 / ADuM3472 / ADuM3473 / ADuM3474 devices are quad-channel, digital isolators with an integrated PWM controller and transformer driver for an isolated DC/DC converter. Based on the Analog Devices, Inc., iCoupler® technology, the DC/DC converter provides up to 2 W of regulated, isolated power at 3.3 V to 24 V from a 5.0 V input supply or from a 3.3 V supply. This eliminates the need for a separate, isolated DC/DC converter in 2 W isolated designs. The iCoupler chip-scale transformer technology is used to isolate the logic signals, and the integrated transformer driver with isolated secondary side control provides higher efficiency for the isolated DC/DC converter. The result is a small form factor, total isolation solution.
The ADuM347x isolators provide four independent isolation channels in a variety of channel configurations and data rates.
APPLICATIONS
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
- Power supply startup bias and gate drives
- Isolated sensor interfaces
- Process controls
Documentation
Data Sheet 1
User Guide 1
Technical Articles 4
Informational 1
Safety and Regulatory Compliance 1
Video 4
Circuit Note 2
Solutions Bulletin & Brochure 1
Safety and Regulatory Compliance 1
Webcast 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
---|---|---|---|
ADUM3470ARSZ | 20-Lead SSOP | ||
ADUM3470ARSZ-RL7 | 20-Lead SSOP | ||
ADUM3470CRSZ | 20-Lead SSOP | ||
ADUM3470CRSZ-RL7 | 20-Lead SSOP | ||
ADUM3470WARSZ | 20-Lead SSOP | ||
ADUM3470WARSZ-RL7 | 20-Lead SSOP | ||
ADUM3470WCRSZ | 20-Lead SSOP | ||
ADUM3470WCRSZ-RL7 | 20-Lead SSOP |
Part Models | Product Lifecycle | PCN |
---|---|---|
May 8, 2014 - 14_0133 ADUM3470/71/72/73/74 Data Sheet Correction |
||
ADUM3470ARSZ | PRODUCTION | |
ADUM3470ARSZ-RL7 | PRODUCTION | |
ADUM3470CRSZ | PRODUCTION | |
ADUM3470CRSZ-RL7 | PRODUCTION | |
ADUM3470WARSZ | PRODUCTION | |
ADUM3470WARSZ-RL7 | PRODUCTION | |
ADUM3470WCRSZ | PRODUCTION | |
ADUM3470WCRSZ-RL7 | PRODUCTION | |
Feb 27, 2012 - 11_0066 Qualification of Alternate Fab Foundry Gold Plating Process Site for Isolation Products at ADI Limerick. |
||
ADUM3470ARSZ | PRODUCTION | |
ADUM3470ARSZ-RL7 | PRODUCTION | |
ADUM3470CRSZ | PRODUCTION | |
ADUM3470CRSZ-RL7 | PRODUCTION |
This is the most up-to-date revision of the Data Sheet.
Evaluation Kits
Reference Designs
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