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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AT90SCR100 Fiches technique(PDF) 401 Page - ATMEL Corporation |
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AT90SCR100 Fiches technique(HTML) 401 Page - ATMEL Corporation |
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401 / 433 page  401 TPR0327AY–SMS–30Jan09 AT90SCR100 30.2.1 Recommendations 1. In Order to reduce the board parasitics, the external components for DCDC converter should be as close as possible to the chip pins (ideally solded directly on the pins). 2. In order to have a correct current limitation, the board parasitic resistances must be taken into account in the choice of the Rs value (e.g., if each metal line connecting Rs to the chip adds a 10 m Ω resistance, the correct Rs value should be 200-2x10=180mΩ) 3. CVcc and CVss lines must have very low resistance (short and wide metal line). 4. R1, R2, R3 and R4 must be placed as close as possible to the chip pins. 5. Connect e-pad to ground. If possible connect it to ground plane |
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