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Single-Cell Boost Converter operating with less than 1.6 µA

Mon, 07/09/2007 - 7:09am

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austriamicrosystem_ AS1323_web.jpgaustriamicrosystems introduced the AS1323, a ultra-low quiescent current, high efficiency, step-up DC/DC converter which comes in a small 5-pin TSOT package. The device delivers 100 mA output current from a single AA battery with possible fixed output voltages of 2.7V, 3.0V and 3.3V, operating from an input voltage between 0.75 and 2V. It offers an integrated unique low-voltage boot circuit which ensures start-up even with high load currents. The minimum start-up voltage of 0.95V is independent of the load current. With only 1.6 µA quiescent current and a shutdown mode drawing less than 200 nA current. Another feature of this device is an internal synchronous rectification which ensures high efficiency and eliminates the need for an external diode, saving cost and size. The AS1323 is available in a 5-pin TSOT23 package suitable for the industrial temperature range of -40°C to +85°C.
austriamicrosystems
919-676-5292, www.austriamicrosystems.com

Click here for more information: http://www.austriamicrosystems.com/03products/description_AS1323.htm

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