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ISOW7741 데이터시트(PDF) 1 Page - Texas Instruments |
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ISOW7741 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 41 page ISOW7741 5000-VRMS Reinforced Quad-Channel Digital Isolator with Integrated Low- Emissions, Low-Noise DC-DC Converter 1 Features • 100 Mbps data rate • Integrated DC-DC converter with low-emissions, low-noise – Emission optimized to meet CISPR 32 limits – Low frequency power converter at 25 MHz enabling low noise performance – Low output ripple: 24 mV • High efficiency output power – Efficiency at max load: 45% – Up to 0.5-W output power – Visoout accuracy of 5% – 5 V to 5 V: Available load current ≥ 110 mA – 5 V to 3.3 V: Available load current ≥ 110 mA – 3.3 V to 3.3 V: Available load current ≥ 60 mA • Independent power supply for channel isolator & power converter – Logic supply (VIO): 1.71-V to 5.5-V – Power converter supply (VDD): 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 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 typical CMTI • Safety-Related Certifications (pending): – VDE reinforced insulation per DIN VDE V 0884-11:2017-01 – UL 1577 component recognition program – IEC 60950-1, IEC 62368-1, IEC 61010-1, IEC 60601-1 and GB 4943.1-2011 certifications • Extended temperature range: –40°C to +125°C • 20-pin wide SOIC package 2 Applications • Factory automation • Motor control • Grid infrastructure • Medical equipment • Test and measurement 3 Description The ISOW7741 device is a galvanically-isolated quad- channel digital isolator with an integrated high- efficiency power converter with low emissions. The integrated DC-DC converter provides up to 500 mW of isolated power, eliminating the need for a separate isolated power supply in space-constrained isolated designs. Device Information PART NUMBER(1) PACKAGE BODY SIZE (NOM) ISOW7741 ISOW7741F DFM (20) 12.83 mm × 7.5 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Tx Rx Rx Tx INA INC VIO GND1 GND2 V ISOIN DC-DC Primary DC-DC Secondary VDD EN_DCDC VISOOUT GND2 Tx Rx INB GND1 Tx Rx OUTD OUTC OUTB OUTA IND VSEL GND2 EN_IO1 EN_IO2 GND1 Simplified Schematic www.ti.com ISOW7741 SLLSFK1 – DECEMBER 2020 Copyright © 2020 Texas Instruments Incorporated Submit Document Feedback 1 Product Folder Links: ISOW7741 ISOW7741 SLLSFK1 – DECEMBER 2020 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for preproduction products; subject to change without notice. |
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