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適用於訊號隔離器的功率
含整合式功率的訊號隔離器

ISOW7741

現行

Reinforced, 4-channel, 3/1, digital isolator with integrated power

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產品規格表

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最新 ISOW6441 預覽 Low-emissions, 4-channel, 3/1, reinforced digital isolator with integrated power Cost-effective solution; 250kV/us CMTI and 150 Mbps that supports most digital isolation applications

ISOW7741

現行
產品規格表 立即訂購

產品詳細資料

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) 85 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) 85 Operating temperature range (°C) -40 to 125 Type Digital isolator
SOIC (DFM) 20 132.149 mm² (12.83 mm × 10.3 mm)
  • 100 Mbps data rate
  • Integrated DC-DC converter with low-emissions, low-noise
    • Emission optimized to meet CISPR 32 and EN 55032 Class B with >5 dB margin on 2 layer board
    • Low frequency power converter at 25 MHz enabling low noise performance
    • Low output ripple: 24 mV
  • High efficiency output power
    • Efficiency at max load: 46%
    • Up to 0.55-W output power
    • V ISOOUT accuracy of 5%
    • 5 V to 5 V: Max available load current = 110 mA
    • 5 V to 3.3 V: Max available load current = 140 mA
    • 3.3 V to 3.3 V: Max available load current = 60 mA
  • Independent power supply for channel isolator & power converter
    • Logic supply (V IO): 1.71-V to 5.5-V
    • Power converter supply (V DD): 3-V to 5.5-V
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
  • Reinforced and Basic isolation options
  • High CMTI: 100-kV/µs (typical)
  • Safety Related Certifications:
    • VDE reinforced and basic insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications
    • ISOW774xB devices are planned
  • Extended temperature range: –40°C to +125°C
  • 20-pin wide body SOIC package
  • 100 Mbps data rate
  • Integrated DC-DC converter with low-emissions, low-noise
    • Emission optimized to meet CISPR 32 and EN 55032 Class B with >5 dB margin on 2 layer board
    • Low frequency power converter at 25 MHz enabling low noise performance
    • Low output ripple: 24 mV
  • High efficiency output power
    • Efficiency at max load: 46%
    • Up to 0.55-W output power
    • V ISOOUT accuracy of 5%
    • 5 V to 5 V: Max available load current = 110 mA
    • 5 V to 3.3 V: Max available load current = 140 mA
    • 3.3 V to 3.3 V: Max available load current = 60 mA
  • Independent power supply for channel isolator & power converter
    • Logic supply (V IO): 1.71-V to 5.5-V
    • Power converter supply (V DD): 3-V to 5.5-V
  • Robust electromagnetic compatibility (EMC)
    • System-level ESD, EFT, and surge immunity
    • ±8 kV IEC 61000-4-2 contact discharge protection across isolation barrier
  • Reinforced and Basic isolation options
  • High CMTI: 100-kV/µs (typical)
  • Safety Related Certifications:
    • VDE reinforced and basic insulation per DIN VDE V 0884-11:2017-01
    • UL 1577 component recognition program
    • IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications
    • ISOW774xB devices are planned
  • Extended temperature range: –40°C to +125°C
  • 20-pin wide body SOIC package

The ISOW77xx family of devices are galvanically-isolated quad-channel digital isolator with an integrated high-efficiency power converter with low emissions. The integrated DC-DC converter provides up to 550 mW of isolated power, eliminating the need for a separate isolated power supply in space-constrained isolated designs.

The ISOW77xx family of devices are galvanically-isolated quad-channel digital isolator with an integrated high-efficiency power converter with low emissions. The integrated DC-DC converter provides up to 550 mW of isolated power, eliminating the need for a separate isolated power supply in space-constrained isolated designs.

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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 ISOW774x Quad-Channel Digital Isolator with Integrated Low-Emissions, Low-Noise DC-DC Converter datasheet (Rev. C) PDF | HTML 2022/3/23
證書 VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. AB) 2026/7/15
證書 VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. AA) 2026/6/11
白皮書 以可靠且經濟實惠的隔離技術解決高 電壓設計挑戰 PDF | HTML PDF | HTML 2026/5/28
證書 TUV Certificate for Isolation Devices (Rev. M) 2026/5/7
證書 UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. S) 2026/5/7
證書 CSA Certificate for ISOW774xDFM (Rev. B) 2025/8/20
證書 CQC Certificate for ISOxxDFM (Rev. B) 2025/8/19
白皮書 Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 2021/11/16
證書 ISOW-ADAPTOR-EVM EU Declaration of Conformity (DoC) 2021/6/24
白皮書 Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 2021/6/11
技術文章 4 common questions when isolating signal and power PDF | HTML 2021/6/1
Application brief How to Meet CISPR 32 Radiated Emissions Limits With ISOW7741 PDF | HTML 2021/5/28
Application brief How to Isolate Signal and Power for I2C (Rev. B) PDF | HTML 2021/5/19
Application brief Signal isolators with integrated power deliver low emissions for CISPR32 PDF | HTML 2021/3/17

設計與開發

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開發板

ISOW-ADAPTOR-EVM — ISOW78xx 至 ISOW77xx 評估模組轉接器

ISOW-ADAPTOR-EVM 是作為轉接器 PCB 的評估模組 (EVM)，可在 ISOW784x 16 接腳 WB SOIC 封裝 (封裝 Code-DWE) 配置上，以 20 接腳 WB SOIC (封裝 Code-DFM) 協助評估具整合式 DC-DC 轉換器 ISOW774x 的四通道數位隔離器。

使用指南: PDF | HTML
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開發板

ISOW7741DFMEVM — 具整合 DC-DC 轉換器評估模組的 ISOW7741 四通道數位隔離器

ISOW7741DFMEVM 評估模組用於評估採用 20 針腳 WB SOIC 封裝（封裝代碼 - DFM）、具備整合式高效率、低放射 DC-DC 轉換器 ISOW774x的四通道、高性能、5000-VRMS 強化型四通道數位隔離器。EVM 具備足夠的測試點和跨接器選項，可用於評估具最少外部零組件的裝置。

使用指南: PDF
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模擬型號

ISOW7741 IBIS Model

SLLM487.ZIP (95 KB) - IBIS 模型
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (DFM) 20 Ultra Librarian
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