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AP1635 数据表(PDF) 2 Page - Diodes Incorporated |
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AP1635 数据表(HTML) 2 Page - Diodes Incorporated |
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2 / 8 page ![]() AP1635 PWM/PFM DUAL MODE STEP-DOWN DC/DC CONVERTER AP1635 Rev. 4 2 of 8 FEBRUARY 2009 www.diodes.com © Diodes Incorporated Pin Assignments 1 2 3 4 8 7 6 5 FB SW SVcc SW CE/SS GND GND PVcc ( Top View ) SOP-8L Pin Descriptions Pin Name Pin No. Description FB 1 Feedback pin CE/SS 2 Chip Enable/ Soft Start: H: Enable L: Disable SVcc 3 IC signal power supply pin, add a 20 Ω resistor to PVcc and a 0.1µF capacitor to GND. PVcc 4 IC power supply pin SW 5/6 Switch Pin. Connect external inductor/diode here. Minimize trace area at this pin to reduce EMI. GND 7/8 GND Pin |
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