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TLV2382IDRG4 Datasheet(PDF) 11 Page - Texas Instruments |
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TLV2382IDRG4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 20 page TLV2381 TLV2382 SLOS377A – SEPTEMBER 2001– REVISED JULY 2003 11 www.ti.com APPLICATION INFORMATION general power dissipation considerations For a given θJA, the maximum power dissipation is shown in Figure 28 and is calculated by the following formula: P D + T MAX –T A q JA Where: PD = Maximum power dissipation of TLV238x IC (watts) TMAX = Absolute maximum junction temperature (150°C) TA = Free-ambient air temperature ( °C) θJA = θJC + θCA θJC = Thermal coefficient from junction to case θCA = Thermal coefficient from case to ambient air (°C/W) 1 0.75 0.5 0 –55 –40 –25 –10 5 1.25 1.5 MAXIMUM POWER DISSIPATION vs FREE-AIR TEMPERATURE 1.75 20 35 50 0.25 TA – Free-Air Temperature – °C 2 65 80 95 110 125 MSOP Package Low-K Test PCB θJA = 260°C/W TJ = 150°C PDIP Package Low-K Test PCB θJA = 104°C/W SOIC Package Low-K Test PCB θJA = 176°C/W SOT-23 Package Low-K Test PCB θJA = 324°C/W NOTE A: Results are with no air flow and using JEDEC Standard Low-K test PCB. Figure 28. Maximum Power Dissipation vs Free-Air Temperature 3 2 4 5 (TOP VIEW) 1 OUT GND IN+ VDD IN – TLV2381 DBV PACKAGE 1 2 3 4 8 7 6 5 NC IN – IN + GND NC VDD OUT NC TLV2381 D PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 1OUT 1IN – 1IN + GND VDD 2OUT 2IN – 2IN+ TLV2382 D PACKAGE (TOP VIEW) NC – No internal connection |
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