April 17, 2009 -
Supplied in QFN-48 package, UCD9220 dual-output, multi-phase synchronous buck controller can support various point-of-load (POL) configurations. It provides 250 psec of PWM, configurable switching frequency up to 2 MHz, and range of DC conversion ratios while maintaining stable operation. Along with flexible digital power control and phase current balancing, features include PMBus(TM)-configurable voltage setting, sequencing, power-up and power-down timing, and fault response.
Full-featured graphical user interface eases designs, helps speed time-to-market
DALLAS, April 1 -- Expanding the company's line of Fusion Digital Power controllers, Texas Instruments Incorporated (TI) (NYSE:TXN) today introduced a new dual-output, multi-phase synchronous buck controller that can support various point-of-load configurations. The UCD9220 device provides 250 picoseconds of pulse-width-modulation, a 2-MHz switching frequency and high DC conversion ratios, while maintaining stable operation. The flexible controller meets complex power design requirements in telecommunications, server, data storage and industrial test and measurement applications. Designers can use the Digital Power Designer, a full-featured graphical user interface, to configure the device easily and speed time-to-market. For product details see www.ti.com/ucd9220-pr.
Key features/benefits of the UCD9220
-- Flexible digital power control enables full loop compensation, including on-linear control for enhanced transient performance and system reliability
-- Phase current balancing ensures uniform power dissipation
-- Configurable switching frequency up to 2 MHz increases bandwidth and allows use of smaller passive components to save board space
-- Optimized power management features to enhance performance, such as PMBus(TM)-configurable voltage setting, sequencing, power-up and power-down timing and fault response
-- 250 picoseconds of pulse-width-modulation allows for a high switching frequency and high conversion ratios while maintaining stable operation
Availability and pricing
The UCD9220 is available in a QFN-48 package and is priced at $2.65 in quantities of 1,000. The UCD9220 evaluation module will be available in late second quarter 2009.
Find out more about TI's digital power portfolio by visiting the links below:
Texas Instruments (NYSE:TXN) helps customers solve problems and develop new electronics that make the world smarter, healthier, safer, greener and more fun. A global semiconductor company, TI innovates through manufacturing, design and sales operations in more than 30 countries. For more information, go to www.ti.com
Please refer all reader inquiries to:
Texas Instruments Incorporated
Semiconductor Group, SC-09042
Literature Response Center
14950 FAA Blvd.
Fort Worth, TX 76155
1-800-477-8924
Trademarks
Fusion Digital Power is a trademark of Texas Instruments. All registered trademarks and other trademarks belong to their respective owners. Company Information: Name: Texas Instruments, Inc., Semiconductors Address: 12500 Texas Instruments Blvd. City: Dallas State: TX ZIP: 75243 Country: USA Phone: 214-644-5580 FAX: 214-480-7800 http://www.ti.com/sc/
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