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AP3015 Datasheet(PDF) 2 Page - BCD Semiconductor Manufacturing Limited |
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AP3015 Datasheet(HTML) 2 Page - BCD Semiconductor Manufacturing Limited |
2 / 11 page MICRO POWER STEP-UP DC-DC CONVERTER AP3015/A 2 Aug. 2006 Rev. 1. 0 BCD Semiconductor Manufacturing Limited Preliminary Datasheet Figure 2. Pin Configuration of AP3015/A (Top View) Pin Description Pin Number Pin Name Function 1 SW Switch Pin. This is the collector of the internal NPN power switch. Minimize the trace area connected to this Pin to minimize EMI 2 GND Ground Pin. GND should be tied directly to ground plane for best performance 3 FB Feedback Pin. Set the output voltage through this pin. The formula is VOUT=1.23V*(1+R1/ R2). Keep the loop between Vout and FB as short as possible to minimize the ripple and noise, which is beneficial to the stability and output ripple 4 SHDN Shutdown Control Pin. Tie this pin above 0.9V to enable the device. Tie below 0.25V to turn off the device 5VIN Supply Input Pin. Bypass this pin with a capacitor as close to the device as possible Pin Configuration K Package (SOT-23-5) SW FB VIN SHDN 3 2 1 4 5 GND |
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