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DC-DC converter offers 96% efficiency

Posted: 02 Dec 2008     Print Version  Bookmark and Share

Keywords:DC/DC converter  dropout voltage  output voltage  current-mode 

AME Inc. has announced the availability of its new 600mA/1.5MHz PWM synchronous buck DC/DC converter. At 100 per cent duty cycle, the dropout voltage will be low and the output voltage can be as low as 0.6V.

AME5258 is designed with protection of over current, over temperature, short circuit and cycle-by-cycle current limiting as well as internal soft start. In addition, the AME5258 has fixed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V and adjustable output voltage options. Applying the latest innovations in current-mode technology, AME5258 is typically twice as efficient as standard LDO's. The efficiency is up to 96 per cent and low shutdown current <1µA makes this product suitable for portable applications.

The AME5258 is in SOT-25 tiny package. Only one 2.2µH inductor and two small capacitors required for input and output. The AME5258 requires very few external components for easy application. Prices start at Rs.17.51 ($0.35) in quantity.





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