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3A Dc-Dc Converter Needs No Heatsink Circuit

2016-01-19 18:10  
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This regulator delivers 90% efficiency at 12-V input, 5-V output. It uses an LT1158 and LT1431 by Linear Technology, Inc. High efficiency is obtained by synchronously switching two power MOSFETs in a step-down switching regulator.
3A Dc-Dc Converter Needs No Heatsink Circuit

The LT1431 voltage reference combines with the LT1158 half-bridge driver to form a constant off-time current mode loop.



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