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ST1S10PUR データシート(PDF) 4 Page - STMicroelectronics |
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ST1S10PUR データシート(HTML) 4 Page - STMicroelectronics |
4 / 26 page Pin configuration ST1S10 4/26 2 Pin configuration Figure 2. Pin connections (top view for PowerSO-8, bottom view for DFN8) PowerSO-8 DFN8 (4x4) Table 2. Pin description Pin n° Symbol Name and function 1VIN_A Analog input supply voltage to be tied to VIN supply source 2 INH (EN) Inhibit pin active low. Connect to VIN_A if not used 3VFB Feedback voltage for connection to external voltage divider to set the VOUT from 0.8V up to 0.85*VIN_SW. (see output voltage selection paragraph 5.5) 4 AGND Analog ground 5 SYNC Synchronization and frequency select. Connect SYNC to GND for 900 kHz operation, or to an external clock from 400 kHz to 1.2 MHz. (see Sync operation paragraph 5.8.1) 6VIN_SW Power input supply voltage to be tied to VIN power supply source 7 SW Switching node to be connected to the inductor 8 PGND Power ground epad epad Exposed pad to be connected to ground |
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