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AT1361 Datasheet(PDF) 1 Page - Aimtron Technology |
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AT1361 Datasheet(HTML) 1 Page - Aimtron Technology |
1 / 15 page AT1361 1MHz,1A Synchronous Buck Converter 7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 1/11/2008 REV:1.0 Email:service@aimtron.com.tw 1 Features • High efficiency (95%) possible • No Schottky Diode Required • 1A Output Current at 5V input 3.3V output • Oscillation frequency 1.0MHz • Built-in ON/OFF Function • Built-in Short Circuit Protection • Low Dropout Operation: 100% Duty Cycle • Stand-by current max. 1 µA • Input voltage: 2.5V ~5.5V Applications • Power Supply for portable devices General Description The AT1361 provides complete control for a DC/DC converter optimized for high-performance microprocessor applications. It is operated on current mode architecture for excellent line and load transient response. 1MHz operation frequency is allowing the use of small surface mount inductor and capacitor. The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. The AT1361 is a family of low-noise synchronous step-down DC/DC converters that is ideally suited for systems powered from a 1-cell Li-ion battery or from a 3-cell to 4-cell NiCd, NiMH, or alkaline battery. It can also be used to USB-Based power system. Block Diagram Aimtron reserves the right without notice to change this circuitry and specifications. |
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