AnalogicTech Announces New Step-Up DC/DC Converter for Ultraportable Systems Powered By Single, Dual AA Cells
Posted on: Monday, 22 May 2006, 06:04 CDT
SUNNYVALE, Calif., May 22 /PRNewswire-FirstCall/ -- Advanced Analogic Technologies Incorporated (AnalogicTech) , a developer of power management semiconductors for mobile consumer electronic devices, today announced the AAT1265, a new low-voltage step-up converter for ultraportable applications. Designed for systems running from single- or dual-cell Alkaline, NiMH, or NiCd batteries, the AAT1265 extends AnalogicTech's rapidly growing boost converter line by combining high efficiency and True Load Disconnect in an extremely small footprint.
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"Ultraportable systems running from single or dual alkaline, NiMH, or NiCd cells need to boost voltage while conforming to strict requirements for battery life and system size," said Bill Weiss, Product Line Director for AnalogicTech. "The AAT1265 maintains high efficiency over the entire output current range, requires no external compensation, and provides True Load Disconnect -- all in a tiny 2.0x2.1mm SC70JW package. This device delivers an ideal balance of high efficiency, essential features, and small total solution size."
The synchronous fixed frequency step-up converter supplies 100mA to a 3.3V load from a single AA cell and 250mA from dual AA cells. The AAT1265 delivers efficiency up to 93 percent and maintains high efficiency over the entire load range. A 2MHz switching frequency helps minimize solution footprint by enabling the use of extremely small inductors and capacitors.
True Load Disconnect
Leakage current is a common concern with boost converters. Typically these devices present a conduction path from the input to the output via the body diode of the P-channel MOSFET when the system is not active. To eliminate such power loss, designers often use a load switch and control circuitry to disconnect the load from the converter. AnalogicTech's AAT1265 solves this problem with the True Load Disconnect feature which disconnects the body diode from the output. This feature extends battery life and simplifies the system design by eliminating an external load switch and control circuitry.
The AAT1265 also adds a variety of safety features to preserve the integrity of the device including short-circuit and over-current protection, inrush current limit, and soft start.
Price and Availability
Specified over the -40 degrees C to +85 degrees C temperature range, the AAT1265 is available in a Pb-free, compact 2.0x2.1mm SC70JW-8 package. The device sells for $0.81 in 1000-piece quantities.
About AnalogicTech
Advanced Analogic Technologies Incorporated (AnalogicTech) is a supplier of Total Power Management(TM) semiconductor solutions for mobile consumer electronic devices, such as wireless handsets, notebook and tablet computers, smartphones, digital cameras, wireless LAN, and personal media players. The company focuses its design and marketing efforts on the application-specific power management needs of consumer, communications, and computing applications in these rapidly evolving devices. AnalogicTech also develops and licenses device, process, package, and application-related technology. AnalogicTech is headquartered in Sunnyvale, California, with offices in South Korea, Taiwan, Hong Kong, Macau, Shanghai, Shenzhen, Beijing, Japan, Sweden, UK, and France, as well as a worldwide network of sales representatives and distributors. The company is listed on the NASDAQ exchange under the ticker symbol AATI. For more information, please visit the AnalogicTech website: http://www.analogictech.com/. (AnalogicTech - G)
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Advanced Analogic Technologies Incorporated
CONTACT: Bill Weiss of AnalogicTech, +1-408-737-4600, orbweiss@analogictech.com; or Matthew Quint of Quint Public Relations,+1-650-599-9450, or quint@quintpr.com, for AnalogicTech
Web site: http://www.analogictech.com/
Source: PRNewswire-FirstCall
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