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SLA3001M Datasheet(PDF) 4 Page - Sanken electric |
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SLA3001M Datasheet(HTML) 4 Page - Sanken electric |
4 / 5 page 117 sSelecting External components for dropper type regulator Input capacitor (Approx. 47 µF) Output capacitor (Approx. 47 to 100 µF) qLow ESR capacitors are recommended for input and output when using them in low temperature conditions (0 °C or less) sSelecting External components for switching type regulator Input capacitor (Approx. 100 µF) Output smoothing capacitor (Approx. 330 µF) qInput capacitor and output capacitor must satisfy allowable ripple current. qLow ESR capacitors are recommended for reducing output ripple voltage. qLow ESR capacitors are recommended for input and output when using them in low temperature conditions (0 °C or less) Choke coil (200 µH when VO is 3.3V or 5V, 300µH when VO is not 3.3V or 5V) qWhen its winding resistance is high, its efficiency may decrease and the rated value may not be achieved. qPay attention to heat from the choke coil due to magnetic saturation caused by overload, short circuit of load, etc. because the overcurrent protection starting current is approx. 1A. Flywheel diode (Sanken AK04 recommended) qUse a Schottky barrier diode for D1, D2 and D3 and make sure that the reverse voltage applied to SW output terminal does not exceed the value (–1V) given in the maximum ratings. qIf you use a fast recovery diode or any other diode, application of a reverse voltage generated from the recovery or ON voltage of the diode may damage the IC. qSLA3001M/3002M/3004M |
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