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SP9718 Datasheet(PDF) 4 Page - SYNC POWER Crop. |
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SP9718 Datasheet(HTML) 4 Page - SYNC POWER Crop. |
4 / 9 page 2007/12/20 Ver.1 Page 4 SP9718 1.5A LOW-NOISE PWM STEP-DOWN REGULATOR ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these specifications apply TA=25°C; VIN=+3.3V and PVIN=+3.3V) Symbol Parameter Conditions Min. Typ. Max. Unit SWITCHING REGULATOR VREF Adjustable Output Voltage VREF VIN V fsw Switching Frequency 1.2 MHz IOUT(RMS) Maximum Output RMS Current 1.5 A IOUT(PEAK) Maximum Output Peak Current 3 A MOSFETs RDS(ON) Drain to Source on-State Resistance PVIN=5V 250 mΩ SUPPLY IVIN Quiescent Current VFB = 1.4V LC unconnected 220 μA IPVIN VFB = 1.4V LC unconnected 500 μA |
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