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DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4V-30Vin, 1.235V-28.3Vout, 2Aout, SOP-8


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MIC4684YM   Datasheet
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Product Overview

The MIC4684YM is a high-efficiency step-down (buck) Switching Regulator for use with battery charger. Power conversion efficiency of above 85% is easily obtainable for a wide variety of applications. The MIC4684 achieves 2A of continuous current at 60°C ambient temperature. High efficiency is maintained over a wide output current range by utilizing a boost capacitor to increase the voltage available to saturate the internal power switch. As a result of this high efficiency, no external heat sink is required. The MIC4684 allows for a high degree of safety. It has a wide input voltage range of 4 to 30V (34V transient), allowing it to be used in applications where input voltage transients may be present. Built-in safety features include over-current protection, frequency-foldback short-circuit protection and thermal shutdown.
  • All surface mount solution
  • Internally compensated with fast transient response
  • Overcurrent protection
  • Frequency foldback short-circuit protection
  • Over 85% efficiency


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Buck (Step Down)













MSL 2 - 1 year
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