Industry's most efficient, robust RF envelope tracking power supply supports all 3G and LTE bands, including full 20-MHz LTE spectrum
DALLAS, Oct. 7, 2013 /PRNewswire/ -- To help get more life out of a battery, Texas Instruments (TI) (NASDAQ:TXN) today introduced the industry's most efficient envelope tracking power supply solution to support 3G and 4G LTE multi-mode, multi-band RF power amplifiers used in smartphones and tablets. The new LM3290 step-down converter with integrated DC boost and companion LM3291 linear amplifier enable the use of envelope tracking techniques in RF transmitters to reduce the power amplifier temperature by 20 degrees C and reduce overall power consumption by 25 percent, compared to systems that use average power tracking. For more information, visit www.ti.com/lm3290-pr.
Supports all 3G and 4G LTE bands
LTE signals, available in more than 20 distinct bands across the world from various carriers, provide high-speed data transmission that need a high peak-to-average ratio (PAR), and generate higher transmit power, which reduces the efficiency of RF power amplifiers and creates extra heat. The LM3290 and LM3291, which support battery voltages down to 2.5 V, provide high efficiency at higher power output levels and high PAR, while meeting stringent receive band noise requirements in all LTE bands. View an Engineer It video, which outlines how to design with envelope tracking.
Key features and benefits of LM3290 and LM3291:
TI analog for consumer electronics
TI's broad range of power management and analog signal chain products offers design engineers the high performance, low power and integration they need to create innovative and differentiated consumer electronics. TI is engineering the future with gesture recognition, touch feedback, advanced battery charging, audio, health technology and more. Learn how analog products improve how we live, work and play with TI Analog Solutions for Consumer.
Availability and pricing
The LM3290 buck-boost converter comes in a 30-bump, lead-free DSBGA package, and is priced at US$0.80 in 1,000-unit quantities. The LM3291 linear amplifier comes in a 12-bump lead-free DSBGA package, and is priced at US$0.75 in 1,000-unit quantities. Samples, evaluation modules and complete data sheets are available to select customers
Find out more about TI's power portfolio by visiting the below links:
About Texas Instruments
Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today. Learn more at www.ti.com.
TI E2E is a trademark of Texas Instruments. All registered trademarks and other trademarks belong to their respective owners.
SOURCE Texas Instruments
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