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TL2218 Arkusz danych(PDF) 4 Page - Texas Instruments |
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TL2218 Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 9 page TL2218-285, TL2218-285Y EXCALIBUR CURRENT-MODE SCSI TERMINATOR SLVS072C – DECEMBER 1992 – REVISED OCTOBER 1995 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 8–4 600 400 200 0 25 50 75 100 800 1000 1200 125 150 1800 1600 1400 2000 2200 2400 FREE-AIR TEMPERATURE DISSIPATION DERATING CURVE TA – Free-Air Temperature – °C 1200 800 400 0 25 50 75 100 1600 2000 2400 125 150 3600 3200 2800 4000 4400 4800 CASE TEMPERATURE DISSIPATION DERATING CURVE TC – Case Temperature – °C R θJA = 151°C/W R θJC = 31°C/W Figure 1 Figure 2 1200 800 400 0 25 50 75 100 2000 125 150 3600 3200 2800 4000 4400 4800 LEAD TEMPERATURE DISSIPATION DERATING CURVE TL – Lead Temperature – °C 2400 1600 † RθJL = 50.5°C/W Figure 3 † RθJL is the thermal resistance between the junction and device lead. To determine the virtual junction temperature (TJ) relative to the device lead temperature, the following calculations should be used: TJ = PD x R θJL + TL, where PD is the internal power dissipation of the device, and TL is the device lead temperature at the point of contact to the printed wiring board. R θJL is 50.5°C/W. |
Podobny numer części - TL2218 |
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Podobny opis - TL2218 |
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