Press release BoxID: 109965 (LINEAR TECHNOLOGY GmbH)
- LINEAR TECHNOLOGY GmbH
- Oskar-Messter-Straße 24
- 85737 Ismaning
- http://www.linear.com
- Contact person
- Ralf Stegmann
- +49 (7131) 9234-0
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Monolithic Linear USB Battery Charger with High Efficiency Dual Synchronous Buck Converters
(PresseBox)
(Ismaning,
2007-06-08)
Linear Technology Corporation announces the LTC3559, an efficient, multi-function power management solution for handheld applications. The LTC3559 integrates a standalone Li-Ion/Polymer battery charger and two high efficiency synchronous buck regulators, and is offered in a low-profile 3mm x 3mm DFN package. The linear battery charger can deliver up to 950mA charge current from a wall adapter supply, or up to 500mA charge current from a USB supply. It contains a high degree of USB functionality, including 20%/100% full-scale charge current setting, a SUSP pin for shutdown/enable, and 4 different indication states on the /CHRG pin. Standalone autonomous operation simplifies design, eliminating the need for an external microprocessor for charge termination. The final battery float voltage is accurate to ±0.4%. The charger’s patented thermal regulation scheme maximizes the charge rate without the risk of overheating, while the NTC input allows temperature-qualified charging. To preserve battery energy, the LTC3559 draws
LINEAR TECHNOLOGY GmbH
Linear Technology Corporation, a manufacturer of high performance linear integrated circuits, was founded in 1981, became a public company in 1986 and joined the S&P 500 index of major public companies in 2000. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, uModule(TM) products, and many other analog functions. Applications for Linear Technology's high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems. For more information, visit www.linear.com.
LT, LTC, LTM, Burst Mode and are registered trademarks and uModule is a trademark of Linear Technology Corp. All other trademarks are the property of their respective owners.
LT, LTC, LTM, Burst Mode and are registered trademarks and uModule is a trademark of Linear Technology Corp. All other trademarks are the property of their respective owners.
