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33982 датащи(PDF) 33 Page - Freescale Semiconductor, Inc |
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33982 датащи(HTML) 33 Page - Freescale Semiconductor, Inc |
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33 / 36 page ![]() Analog Integrated Circuit Device Data Freescale Semiconductor 33 33982 ADDITIONAL DOCUMENTATION THERMAL ADDENDUM (REV 4.0) Figure 14. Thermal Test Board Device on Thermal Test Board RθJA is the thermal resistance between die junction and ambient air. This device is a dual die package. Index m indicates the die that is heated. Index n refers to the number of the die where the junction temperature is sensed. HS HS 16 15 VPWR 14 GND 13 1 11 10 9 8 7 6 5 4 3 2 12 16-Pin PQFN 0.90 mm Pitch 12.0 mm x 12.0 mm Body 33982 Pin Connections Transparent Top View A A Material: Single layer printed circuit board FR4, 1.6 mm thickness Cu traces, 0.07 mm thickness Outline: 80 mm x 100 mm board area, including edge connector for thermal testing Area A: Cu heat-spreading areas on board surface Ambient Conditions: Natural convection, still air Table 20. Thermal Resistance Performance Thermal Resistance Area A (mm2) 1 = Power Chip, 2 = Logic Chip ( °C/W) m = 1, n = 1 m = 1, n = 2 m = 2, n = 1 m = 2, n = 2 RθJAmn 055 42 74 300 41 32 66 600 39 29 65 |
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