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LM98640W-MPR Datasheet(PDF) 7 Page - Texas Instruments |
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LM98640W-MPR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 54 page LM98640QML-SP www.ti.com SNAS461D – MAY 2010 – REVISED SEPTEMBER 2015 6.4 Thermal Information (1) NBB0068D THERMAL METRIC(2) UNIT PINS RθJA 11.1, (225 LFPM) Junction-to-ambient thermal resistance 16.5, (0 LFPM) °C/W RθJC(top) Junction-to-case (top) thermal resistance 1.2 (1) The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA and the ambient temperature, TA. The maximum allowable power dissipation at any temperature is PD = (TJMAX – TA)/θJA. The values for maximum power dissipation listed above will be reached only when the device is operated in a severe fault condition (e.g. when input or output pins are driven beyond the power supply voltages, or the power supply polarity is reversed). Such conditions should always be avoided. (2) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 6.5 Quality Conformance Inspection MIL-STD-883, Method 5005 - Group A SUBGROUP DESCRIPTION TEMP (°C) 1 Static tests at +25 2 Static tests at +125 3 Static tests at -55 4 Dynamic tests at +25 5 Dynamic tests at +125 6 Dynamic tests at -55 7 Functional tests at +25 8A Functional tests at +125 8B Functional tests at -55 9 Switching tests at +25 10 Switching tests at +125 11 Switching tests at -55 12 Setting time at +25 13 Setting time at +125 14 Setting time at -55 Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM98640QML-SP |
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