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SP9718 Datasheet(PDF) 2 Page - SYNC POWER Crop. |
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SP9718 Datasheet(HTML) 2 Page - SYNC POWER Crop. |
2 / 9 page 2007/12/20 Ver.1 Page 2 SP9718 1.5A LOW-NOISE PWM STEP-DOWN REGULATOR TYPICAL APPLCATION CIRCUIT PIN DESCRIPTION & ELECTRICAL CHARACTERISTICS Operating Rating Pin Symbol Description Min. Typ. Max. Unit 1 VIN Voltage supply for internal circuits 2 2.5 5.5 V 2 GND Ground for internal reference voltage divider Shutdown level 0.75 x VIN VIN + 0.3 3 SD CMOS input level Enable level 0 2.0 V 4 VREF VOUT Set Voltage 1.1 VIN V 5 VFB Feedback node for the VOUT VREF V 6 PGND Ground for output power transistors 7 LX Inductor connection to the Drains of the internal power MOSFETs 5.5 V 8 PVIN Voltage supply for output power transistors 2 2.5 5.5 V |
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