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PS0100-3.3 Datasheet(PDF) 1 Page - Power IC Ltd. |
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PS0100-3.3 Datasheet(HTML) 1 Page - Power IC Ltd. |
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1 / 13 page  PS0100 July 2007 www.picsemi.com © 2007 Power IC. All Rights Reserved. 1 600mA Synchronous Boost Converter with Output Disconnect DESCRIPTION FEATURES The PS0100 is a synchronous, step-up DC/DC converter delivering high efficiency in a SOT-26 package. The device has an internal NMOS switch and PMOS synchronous rectifier and has the capacity of supplying 3.3V at 100mA from a single AA cell input. Up to 92% efficiency Low start-up voltage 0.8V Internal synchronous rectifier Up to 2MHz switching allows for tiny external components 0.5V to 4.4V input range 2.5V to 5.0V output range (Note 3) High frequency switching (up to 2MHz) minimizes the board area by allowing the use of tiny, low profile inductors and ceramic capacitors. Fully discharged shutdown output voltage Logic controlled shutdown (<1µA) Low 250µA operating supply current (measured at VOUT) The PS0100 provides automatic pulse skipping at light loads, thus reducing the supply current for extended battery life. At shutdown, the PS0100 fully discharges the output to ground and draws no supply current. Pulse skipping at light load for extended battery life Generates 3.3V at 100mA from single AA cell Stable with ceramic output capacitor The PS0100 is available in small SOT-26 package with both fixed and adjustable output voltage versions. Low profile 6-Leads SOT-26 package APPLICATIONS MP3 / MP4 players PDAs and organizers Digital cameras Wireless mice/ keyboards Portable medical equipment Cordless phones Wireless Headsets TYPICAL APPLICATION CIRCUIT |
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