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AP1604AWL-7 Datasheet(PDF) 1 Page - Diodes Incorporated |
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AP1604AWL-7 Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 7 page AP1604A PWM/PFM DUAL MODE STEP-DOWN DC/DC CONVERTER AP1604A Rev. 2 1 of 7 FEBRUARY 2009 www.diodes.com © Diodes Incorporated Lead-free • Input voltage range: 2.2V~5.5V (VOUT type) • Oscillator frequency: 600KHz (Typ.) • Internal reference: 1.0V (Typ.) • High efficiency: 93% (Typ.) • Stand-by capability: ISTB=2µA. (Typ.) • Soft-start time set-up externally type possible • Current limit and thermal shutdown protection • Lead Free Package: SOT25 • SOT25: Available in “Green” Molding Compound (No Br, Sb) • Lead Free Finish/ RoHS Compliant (Note 1) The AP1604A series are multi-functional step-down DC/DC converters with built-in speed, low ON resistance drivers. It is capable to deliver more than 800mA output current with external coil, diode and capacitor. Output voltage is set-up by the external resistors. (±2.5% accuracy). The 600KHz AP1604A that can work out with small value external components comes out more compact board. The device switches to and works under PFM mode with light loads. It keeps at high efficiency for both light loads and large output current. AP1604A can be soft-start with a proper capacitor connected between CE/SS pin and ground. The stand-by current is less than 2uA when CE/SS pin is at “LOW” status. The device is forced to switch off as the voltage at that pin is lower than the stipulated voltage. Applications • Electronic Information Organizers • Palmtops • Cellular and portable phones • Portable Audio Systems • Various Multi-function Power Supplies Ordering Information AP1604A W X - 7 Packing Package Lead Free W : SOT25 7 : Tape & Reel L : Lead Free G : Green Device Package Code Packaging (Note 2) 7” Tape and Reel Quantity Part Number Suffix AP1604AWL-7 W SOT25 3000/Tape & Reel -7 AP1604AWG-7 W SOT25 3000/Tape & Reel -7 Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. Features General Description |
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