xmedia - 4mm x 4mm Dual Full-Bridge Piezo Driver Generates Its Own High Voltage

2.7 to 10V Input Voltage Range 900mA Boost ConverterStore this angel in big sizeMILPITAS, CA – February 20, 2008 – Linear Technology Corporation announces the LT3572, a awful chip bifold full-bridge Piezo driver, able of active two Piezo motors at up to 40V. Each Piezo disciplinarian and the addition advocate can be apart angry on or off. This architecture cartography makes the LT3572 ideal for bifold arbor angel stabilization as able-bodied as auto focus and zoom motor ascendancy for agenda still and video cameras. Its 2.7V to 10V ascribe voltage accommodates both single-cell and dual-cell Li-Ion powered agenda cameras. The LT3572’s chip 900mA addition advocate can bear up to 50mA of achievement accepted at 30V from a Li-Ion input. Its switching abundance can be programmed amid 500kHz and 2.25MHz, befitting externals actual small. Offered in a 4mm x 4mm QFN package, it provides a actual bunched band-aid footprint. A PGOOD pin indicates if the achievement of the addition advocate is in regulation, acceptance the Piezo drivers to alpha switching. Other appearance cover soft-start and alien synchronization.
The LT3572EUF is accessible from banal in a 16-lead QFN package. 1,000-piece appraisement starts at $2.75 each.

Summary of Features: LT3572

•2.7V to 10V Input Voltage Range
•900mA Boost Converter
•Dual Full-Bridge Piezo Drivers
•Programmable Switching Frequency from 500kHz to 2.25MHz
•Synchronizable Up to 2.5MHz
•Soft-Start
•Separate Enable for Each Piezo Driver and Boost Converter
•Available in a 4mm × 4mm 20-Pin QFN Package

John Hamburger, Director Marketing Communications
jhamburger@linear.com
Tel: 408-432-1900 ext 2419

Doug Dickinson, Media Relations Manager
ddickinson@linear.com
Tel: 408-432-1900 ext 2233

About Linear Technology
Linear Technology Corporation, a architect of top achievement beeline chip circuits, was founded in 1981, became a accessible aggregation in 1986 and abutting the S&P 500 basis of above accessible companies in 2000. Linear Technology articles cover top achievement amplifiers, comparators, voltage references, caked filters, beeline regulators, DC-DC converters, array chargers, abstracts converters, communications interface circuits, RF arresting conditioning circuits, uModule™ products, and abounding added analog functions. Applications for Linear Technology’s top achievement circuits cover telecommunications, cellular telephones, networking articles such as optical switches, anthology and desktop computers, computer peripherals, video/multimedia, automated instrumentation, aegis ecology devices, high-end chump articles such as agenda cameras and MP3 players, circuitous medical devices, automotive electronics, branch automation, action control, and aggressive and amplitude systems. For added information, appointment www.linear.com.

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