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65V DC/DC converter - RadioRadar

 
Electronics News
15 years ago

65V DC/DC converter


Texas Instruments introduced a 65-V input, 1.5-A output step-down switcher with integrated FET. The TPS54160 non-synchronous buck’s 3.5-V to 65-V input voltage range provides designers flexibility in applications with input transients. By leveraging TI’s Eco-mode light-load switching technique, the converter is able to achieve a low 116-uA operating current and 1.3-uA shutdown current, resulting in longer system run-times and a more efficient power system design. In addition, the converter’s switching frequency range of 300 kHz to 2.5 MHz reduces the size of the output inductors to save board space. The TPS54160’s frequency fold-back and thermal shutdown features allow the converter to protect itself during an overload condition.

The TPS54160 also has an integrated track pin that simplifies various sequencing schemes and a clock pin that reduces noise by synchronizing its switching frequency to an external clock. TI’s SWIFT DC/DC converters serve a broad range of applications, such as telecom, computing, industrial and consumer point of load applications with input voltage ranges as wide as 65 V and output currents as high as 14 A. The TPS54160 is available in 10-pin MSOP PowerPADTM packaging. Suggested resale pricing in 1,000-unit quantities is $2.40. Reference designs, evaluation modules and the SwitcherPro software tool are also available online.

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