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SC1103CS 数据表(PDF) 4 Page - Semtech Corporation |
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SC1103CS 数据表(HTML) 4 Page - Semtech Corporation |
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4 / 8 page ![]() SC1103 © 2000 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA VOLTAGE MODE PWM CONTROLLER PRELIMINARY - February 29, 2000 4 Fig. 3: V RIPPLE @ VIN = 12V, V O = 3.3V, IO = 10A Fig. 2: Load Regulation @ V O = 3.3V, VIN = 12V -10 -5 0 5 10 15 20 25 30 35 40 100.0E+0 1.0E+3 10.0E+3 100.0E+3 1.0E+6 10.0E+6 Frequency (Hz) -45 0 45 90 135 180 Gain Phase Fig.1: Error Amplifier, Gain and Phase Fig. 6: Line Regulation @ V O = 3.3V, IO = 10A Fig. 5: Efficiency @ V IN = 12V Fig. 4: Load Regulation @ V IN = 12V -0.020 -0.010 0.000 0.010 0.020 0.030 0.040 0.050 02 4 6 8 10 Current (Amps) -1.0% -0.8% -0.6% -0.4% -0.2% 0.0% 0.2% 0.4% 0.6% 0.8% 1.0% 0 2468 10 12 14 Output Current, (A) 1.8V 2.5V 3.3V 5.0V Vo= 40% 50% 60% 70% 80% 90% 100% 0 2 4 6 8 10 12 14 Output Current, (A) 1.8V 2.5V 3.3V 5V -0.5% -0.4% -0.3% -0.2% -0.1% 0.0% 0.1% 0.2% 0.3% 0.4% 0.5% 11.4 11.6 11.8 12.0 12.2 12.4 12.6 Input Voltage, (V) |
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