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ISO7741FDW 数据表(PDF) 32 Page - Texas Instruments |
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ISO7741FDW 数据表(HTML) 32 Page - Texas Instruments |
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32 / 52 page ![]() DUT Vcc 2 Vcc 1 GND 1 GND 2 A Ovenat150°C TimeCounter > 1 mA V S 32 ISO7740, ISO7741, ISO7742 SLLSEP4G – MARCH 2016 – REVISED FEBRUARY 2020 www.ti.com Product Folder Links: ISO7740 ISO7741 ISO7742 Submit Documentation Feedback Copyright © 2016–2020, Texas Instruments Incorporated Figure 27. Test Setup for Insulation Lifetime Measurement Figure 28. Insulation Lifetime Projection Data 11 Power Supply Recommendations To help ensure reliable operation at data rates and supply voltages, a 0.1-μF bypass capacitor is recommended at the input and output supply pins (VCC1 and VCC2). The capacitors should be placed as close to the supply pins as possible. If only a single primary-side power supply is available in an application, isolated power can be generated for the secondary-side with the help of a transformer driver such as Texas Instruments' SN6501 or SN6505A. For such applications, detailed power supply design and transformer selection recommendations are available in SN6501 Transformer Driver for Isolated Power Supplies data sheet or SN6505A Low-Noise 1-A Transformer Drivers for Isolated Power Supplies data sheet. |
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