Startseite Isolierung Stromversorgung für Signalisolatoren Signalisolatoren mit integrierter Stromversorgung
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Isolierung
Stromversorgung für Signalisolatoren
Signalisolatoren mit integrierter Stromversorgung

ISOW7841

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Vierkanaliger Digitalisolator, verstärkt isoliert, 3/1, mit integrierter Stromversorgung

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ISOW7741 AKTIV Verstärkter emissionsarmer Vierkanal-3/1-Digitalisolator mit integrierter Stromversorgung und gering Performance upgrade with lower radiation emission and lower output ripple

ISOW7841

AKTIV
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Produktdetails

Rating Catalog Isolation rating Basic Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 100 Working isolation voltage (VIOWM) (Vrms) 1000 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 CMTI (min) (kV/µs) 100 Operating temperature range (°C) -40 to 125 Type Digital isolator
Rating Catalog Isolation rating Basic Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 100 Working isolation voltage (VIOWM) (Vrms) 1000 Surge isolation voltage (VIOSM) (VPK) 10000 Transient isolation voltage (VIOTM) (VPK) 7071 Withstand isolation voltage (VISO) (Vrms) 5000 CMTI (min) (kV/µs) 100 Operating temperature range (°C) -40 to 125 Type Digital isolator
SO-MOD (DWE) 16 106.09 mm² 10.3 x 10.3
  • 100 Mbps data rate
  • Robust isolation barrier:
    • >100-Year projected lifetime at 1 kVRMS working voltage
    • Up to 5000 VRMS isolation rating
    • Up to 10 kVPK surge capability
    • ±100 kV/µs minimum CMTI
  • Integrated high-efficiency DC-DC converter with on-chip transformer
  • 3-V to 5.5-V Wide input supply range
  • Regulated 5-V or 3.3-V output
  • Up to 0.65-W output power
  • 5 V to 5 V; 5 V to 3.3 V: Available load current ≥ 130 mA
  • 3.3 V to 3.3 V: Available load current ≥ 75 mA
  • 3.3 V to 5 V: Available load current ≥ 40 mA
  • Soft-start to limit inrush current
  • Overload and short-circuit protection
  • Thermal shutdown
  • Default output: High and Low options
  • Low propagation delay: 13 ns Typ (5-V supply)
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
    • Low emissions
  • 16-pin Wide SOIC package
  • Extended temperature range: –40°C to +125°C
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • CSA Certification per IEC 60950-1, IEC 62368-1 and IEC 60601-1 end equipment standards
    • CQC Approval per GB4943.1-2011
    • TUV Certification according to EN 60950-1 and EN 61010-1
  • 100 Mbps data rate
  • Robust isolation barrier:
    • >100-Year projected lifetime at 1 kVRMS working voltage
    • Up to 5000 VRMS isolation rating
    • Up to 10 kVPK surge capability
    • ±100 kV/µs minimum CMTI
  • Integrated high-efficiency DC-DC converter with on-chip transformer
  • 3-V to 5.5-V Wide input supply range
  • Regulated 5-V or 3.3-V output
  • Up to 0.65-W output power
  • 5 V to 5 V; 5 V to 3.3 V: Available load current ≥ 130 mA
  • 3.3 V to 3.3 V: Available load current ≥ 75 mA
  • 3.3 V to 5 V: Available load current ≥ 40 mA
  • Soft-start to limit inrush current
  • Overload and short-circuit protection
  • Thermal shutdown
  • Default output: High and Low options
  • Low propagation delay: 13 ns Typ (5-V supply)
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
    • Low emissions
  • 16-pin Wide SOIC package
  • Extended temperature range: –40°C to +125°C
  • Safety-related certifications:
    • 7071-VPK reinforced isolation per DIN V VDE V 0884-11:2017-01
    • 5000-VRMS isolation for 1 minute per UL 1577
    • CSA Certification per IEC 60950-1, IEC 62368-1 and IEC 60601-1 end equipment standards
    • CQC Approval per GB4943.1-2011
    • TUV Certification according to EN 60950-1 and EN 61010-1

The ISOW784x is a family of high-performance, quad-channel reinforced digital isolators with an integrated high-efficiency power converter. The integrated DC-DC converter provides up to 650 mW of isolated power at high efficiency and can be configured for various input and output voltage configurations. Therefore these devices eliminate the need for a separate isolated power supply in space-constrained isolated designs.

The ISOW784x is a family of high-performance, quad-channel reinforced digital isolators with an integrated high-efficiency power converter. The integrated DC-DC converter provides up to 650 mW of isolated power at high efficiency and can be configured for various input and output voltage configurations. Therefore these devices eliminate the need for a separate isolated power supply in space-constrained isolated designs.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet ISOW784x High-Performance, 5000-VRMS Reinforced Quad-Channel Digital Isolators with Integrated High-Efficiency, Low-Emissions DC-DC Converter datasheet (Rev. G) PDF | HTML 24 Aug 2021
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. S) 29 Feb 2024
White paper Addressing High-Volt Design Challenges w/ Reliable and Affordable Isolation Tech (Rev. C) PDF | HTML 26 Sep 2023
White paper Improve Your System Performance by Replacing Optocouplers with Digital Isolators (Rev. C) PDF | HTML 07 Sep 2023
Application note Designing High Voltage Power Supply for Ultrasound Smart Probes (Rev. A) PDF | HTML 16 Mai 2023
Certificate CQC Certificate for ISOxxDWx (Rev. J) 27 Mär 2023
Certificate CSA Certificate for ISOW78xxDWE 21 Feb 2023
Certificate TUV Certificate for Isolation Devices (Rev. K) 05 Aug 2022
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. P) 05 Aug 2022
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 16 Nov 2021
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 11 Jun 2021
Application brief How to Isolate Signal and Power for an RS-485 System (Rev. C) PDF | HTML 25 Mai 2021
Application brief How to Isolate Signal and Power in Isolated CAN Systems (Rev. C) PDF | HTML 25 Mai 2021
Application brief How to Isolate Signal and Power for I2C (Rev. B) PDF | HTML 19 Mai 2021
EVM User's guide Universal Digital Isolator Evaluation Module PDF | HTML 04 Mär 2021
Application note Topology Selection for Isolated Power Supplies in Patient Monitor (Rev. A) PDF | HTML 02 Sep 2020
White paper Machine Learning Powers Autonomous Industrial Systems (Rev. A) 17 Jun 2020
Application brief Overvoltage Protection for Isolated DC/DC Converter (Rev. A) 19 Sep 2019
Technical article Top 6 design questions about I2C isolators PDF | HTML 13 Mär 2019
Application note Low-Emission Designs With ISOW7841 Integrated Signal and Power Isolator (Rev. C) 26 Feb 2019
Technical article Top 9 design questions about digital isolators PDF | HTML 04 Feb 2019
Technical article Now that you have isolated your CAN signals, what about power? PDF | HTML 09 Jan 2019
Technical article Interfacing multiple ADCs to a single processor for grid protection and control PDF | HTML 13 Sep 2018
Technical article Top 7 design questions about isolated RS-485 transceivers PDF | HTML 26 Jul 2018
Technical article The big noise about isolation is that we’ve made it small and quiet PDF | HTML 01 Sep 2017
Technical article Optimize the emissions performance in your isolated system PDF | HTML 28 Aug 2017
Analog Design Journal How to use isolation to improve ESD, EFT and surge immunity in industrial system 24 Jul 2017
Technical article Small doesn’t mean you compromise performance when implementing signal isolation PDF | HTML 25 Mai 2017
Technical article The power to innovate industrial design PDF | HTML 27 Mär 2017
Technical article Cool down your industrial system design with integrated data and power isolation PDF | HTML 22 Mär 2017
White paper Enabling high voltage quality and reliability 13 Mär 2017
User guide ISOW784x Quad-Channel Digital Isolator With Integrated DC-DC Converter EVM 05 Mär 2017
White paper Fully integrated signal and power isolation – applications and benefits 10 Feb 2017

Design und Entwicklung

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Evaluierungsplatine

ISOW7841EVM — ISOW7841 vierkanaliger digitaler Isolator mit integriertem DC/DC-Wandler – Evaluierungsmodul

The ISOW7841EVM is an evaluation module (EVM) used to evaluate the ISOW7841. The ISOW7841 is a high-performance, reinforced quad-channel digital isolator with integrated DC/DC converter in a wide-body SOIC package (package code, DWE). The EVM features enough test points and jumper (...)

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Simulationsmodell

ISOW7841 IBIS Model

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