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ISO7710FDW Datasheet(PDF) 8 Page - Texas Instruments |
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ISO7710FDW Datasheet(HTML) 8 Page - Texas Instruments |
8 / 32 page 8 ISO7710 SLLSER9A – NOVEMBER 2016 – REVISED DECEMBER 2016 www.ti.com Product Folder Links: ISO7710 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 6.8 Safety Limiting Values Safety limiting intends to minimize potential damage to the isolation barrier upon failure of input or output circuitry. A failure of the I/O can allow low resistance to ground or the supply and, without current limiting, dissipate sufficient power to overheat the die and damage the isolation barrier potentially leading to secondary system failures. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DW-16 Package IS Safety input, output, or supply current RθJA = 94.4 °C/W, VI = 5.5 V, TJ = 150°C, TA = 25°C, see Figure 1 241 mA RθJA = 94.4 °C/W, VI = 3.6 V, TJ = 150°C, TA = 25°C, see Figure 1 368 RθJA = 94.4 °C/W, VI = 2.75 V, TJ = 150°C, TA = 25°C, see Figure 1 482 PS Safety input, output, or total power RθJA = 94.4 °C/W, TJ = 150°C, TA = 25°C, see Figure 2 1324 mW TS Maximum safety temperature 150 °C D-8 Package IS Safety input, output, or supply current RθJA = 146.1 °C/W, VI = 5.5 V, TJ = 150°C, TA = 25°C, see Figure 3 156 mA RθJA = 146.1 °C/W, VI = 3.6 V, TJ = 150°C, TA = 25°C, see Figure 3 238 RθJA = 146.1 °C/W, VI = 2.75 V, TJ = 150°C, TA = 25°C, see Figure 3 311 PS Safety input, output, or total power RθJA = 146.1 °C/W, TJ = 150°C, TA = 25°C, see Figure 4 856 mW TS Maximum safety temperature 150 °C The maximum safety temperature is the maximum junction temperature specified for the device. The power dissipation and junction-to-air thermal impedance of the device installed in the application hardware determines the junction temperature. The assumed junction-to-air thermal resistance in the Thermal Information table is that of a device installed on a High-K test board for leaded surface mount packages. The power is the recommended maximum input voltage times the current. The junction temperature is then the ambient temperature plus the power times the junction-to-air thermal resistance. |
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