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SC198EVB Datasheet(PDF) 5 Page - Semtech Corporation |
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SC198EVB Datasheet(HTML) 5 Page - Semtech Corporation |
5 / 16 page Pin # Pin Name Pin Function 1 VINA Input power supply voltage converter A 2 LXA Connection point for the inductor on converter A 3 GNDA Ground reference to converter A 4 VOUTA Feedback control input for converter A 5 CTLA0 Voltage select control pin 0 for output A (see Table A — Output Voltage Options).(1) 6 CTLA1 Voltage select control pin 1 for output A (see Table A — Output Voltage Options). (1) 7 CTLA2 Voltage select control pin 2 for output A (see Table A — Output Voltage Options). (1) 8 GNDR Ground for reference supply 9 CTLB2 Voltage select control pin 2 for output B (see Table A — Output Voltage Options). (1) 10 CTLB1 Voltage select control pin 1 for output B (see Table A — Output Voltage Options). (1) 11 CTLB0 Voltage select control pin 0 for output B (see Table A — Output Voltage Options). (1) 12 VOUTB Feedback control input for converter B 13 GNDB Ground reference for converter B 14 LXB Connection point for the inductor on converter B 15 VINB Input power supply voltage for converter B 16 ENB Enable pin for output B 17 SYNC Oscillator synchronization input - connect to VIN for forced PWM mode, ground for power-save mode or connect to an external clock for frequency synchronization. 18 VINR Reference supply input 19 NC Not connected 20 ENA Enable pin for output A T THERMAL PAD Thermal pad for heatsinking purposes — connect to ground plane using multiple vias — not connected internally Pin Descriptions Note: (1) All CTL pins must be pulled high or low for proper operation. 5 © 2006 Semtech Corp. www.semtech.com SC198 POWER MANAGEMENT |
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