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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PM8908 датащи(PDF) 7 Page - STMicroelectronics |
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PM8908 датащи(HTML) 7 Page - STMicroelectronics |
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7 / 28 page  DocID027688 Rev 3 7/28 PM8908 Pin description and connection diagrams 28 11 PHASE Output inductor connection. The pins are connected to the embedded MOSFETs (high-side source and low-side drain). Connect directly to the output inductor. See Figure 1. 12 13 14 15 16 BOOT Bootstrap pin. It provides power supply for the floating high-side MOS driver. Connect with 0.1 µF to PHASE. See Figure 1. 17 EN Enable. 18 MODE Switching frequency and the OCL programming pin. See Table 6 on page 14. This pin must not be left floating. 19 PGOOD Power Good pin. Open drain output set free after SS has finished and pulled low when VOUT is out of the PGOOD window or any protection is triggered. Pull up to VCC, if not used it can be left floating. 20 VCC Device power supply. Operative voltage is 5.0 V. Filter with at least 1 µF MLCC vs. GND. Thermal pad The thermal pad of the device. Connect to the PCB ground plane with multiple VIAS. Table 2. Pin description (continued) Pin Function No. Name |
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