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STM32H533CE датащи(PDF) 226 Page - STMicroelectronics |
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STM32H533CE датащи(HTML) 226 Page - STMicroelectronics |
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226 / 231 page ![]() Package information STM32H533xx 226/231 DS14539 Rev 1 6.10 Package thermal characteristics The maximum chip-junction temperature, TJmax in degrees Celsius, can be calculated using the following equation: TJmax = TAmax + (PDmax × ΘJA) Where: • TAmax is the maximum ambient temperature in °C, • ΘJA is the package junction-to-ambient thermal resistance, in °C/W, • PDmax is the sum of PINTmax and PI/Omax (PDmax = PINTmax + PI/Omax), • PINTmax is the product of IDD and VDD, expressed in Watts. This is the maximum chip internal power. PI/Omax represents the maximum power dissipation on output pins: PI/Omax = Σ (VOL × IOL) + Σ((VDD – VOH) × IOH), taking into account the actual VOL / IOL and VOH / IOH of the I/Os at low and high level in the application. Table 130. Package thermal characteristics Symbol Definition Parameter Value Unit ΘJA Thermal resistance junction-ambient WLCSP39 (2.76 x 2.78 mm) 65.3 °C/W UFQFPN48 (7 x 7 mm) 28.5 LQFP48 (7 x 7 mm) 51.2 LQFP64 (10 x 10 mm) 44.2 LQFP100 (14 x 14 mm) 36.4 UFBGA100 (7 x 7 mm) 50 LQFP144 (20 x 20 mm) 37.9 UFBGA144 (10 x 10 mm) 45.5 ΘJB Thermal resistance junction-board WLCSP39 (2.76 x 2.78 mm) 38 °C/W UFQFPN48 (7 x 7 mm) 12.9 LQFP48 (7 x 7 mm) 28.6 LQFP64 (10 x 10 mm) 26.6 LQFP100 (14 x 14 mm) 22.3 UFBGA100 (7 x 7 mm) 35.8 LQFP144 (20 x 20 mm) 26.7 UFBGA144 (10 x 10 mm) 33.4 |
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