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STWLC68JRF датащи(PDF) 4 Page - STMicroelectronics |
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STWLC68JRF датащи(HTML) 4 Page - STMicroelectronics |
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4 / 32 page ![]() 3 Device pinout Figure 2. Pin assignment (through top view) Table 1. Pin description Pin name Pin location Pin function VSSA C4,C5,D3,D4, D5,E5,F5,F6, G6,G7 Analog ground. Power return for the main LDO and the analog circuitry. VSSD E4, F3, F4, G2, G3, G4, H3, H4, H5, H6, H7 Digital ground. Reference for digital input and output signals. VSSP A1, A8, B1, B8 Power ground. Power return for the synchronous rectifier. AC1 A6, A7, B6, B7 AC power input: input of the synchronous rectifier. Connect to RX series resonant circuit. AC2 A2, A3, B2, B3 AC power input: input of the synchronous rectifier. Connect to RX series resonant circuit. BOOT1 E7 Synchronous rectifier bootstrap capacitor connection: a 47 nF (typ.) ceramic capacitor is connected between this pin and AC1. BOOT2 C1 Synchronous rectifier bootstrap capacitor connection: a 47 nF (typ.) ceramic capacitor is connected between this pin and AC2. BOOT E8 Main LDO power transistor bootstrap capacitor. Connect a 4.7 nF (typ.) ceramic capacitor between this pin and VRECT. STWLC68 Device pinout DS13131 - Rev 3 page 4/32 |
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