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ST72561 Datasheet(PDF) 252 Page - STMicroelectronics |
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ST72561 Datasheet(HTML) 252 Page - STMicroelectronics |
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252 / 262 page ![]() ST72561 252/262 PACKAGE CHARACTERISTICS (Cont’d) Figure 152. 32-Pin Thin Quad Flat Package 13.2 THERMAL CHARACTERISTICS Notes: 1. The power dissipation is obtained from the formula PD=PINT+PPORT where PINT is the chip internal power (IDDxVDD) and PPORT is the port power dissipation determined by the user. 2. The average chip-junction temperature can be obtained from the formula TJ = TA + PD x RthJA. Dim. mm inches Min Typ Max Min Typ Max A 1.60 0.063 A1 0.05 0.15 0.002 0.006 A2 1.35 1.40 1.45 0.053 0.055 0.057 b 0.30 0.37 0.45 0.012 0.015 0.018 C 0.09 0.20 0.004 0.008 D 9.00 0.354 D1 7.00 0.276 E 9.00 0.354 E1 7.00 0.276 e 0.80 0.031 θ 0° 3.5° 7° 0° 3.5° 7° L 0.45 0.60 0.75 0.018 0.024 0.030 L1 1.00 0.039 Number of Pins N 32 h c L L1 b e A1 A2 A E E1 D D1 Symbol Ratings Value Unit RthJA Package thermal resistance (junction to ambient) TQFP64 TQFP44 TQFP32 60 52 70 °C/W PD Power dissipation 1) 500 mW TJmax Maximum junction temperature 2) 150 °C |
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