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LTC1147-3.3 - High Efficiency Step-Down Switching Regulator Controllers

Key Features

  • s s s.

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LTC1147-3.3 LTC1147-5/LTC1147L High Efficiency Step-Down Switching Regulator Controllers FEATURES s s s DESCRIPTIO s s s s s s s s Very High Efficiency: Over 95% Possible Wide VIN Range: 3.5V* to 16V Current Mode Operation for Excellent Line and Load Transient Response High Efficiency Maintained Over Three Decades of Output Current Low 160µA Standby Current at Light Loads Logic Controlled Micropower Shutdown: IQ < 20µA Short-Circuit Protection Very Low Dropout Operation: 100% Duty Cycle High Efficiency in a Small Amount of Board Space Output Can Be Externally Held High in Shutdown Available in 8-Pin SO Package The LTC®1147 series are step-down switching regulator controllers featuring automatic Burst ModeTM operation to maintain high efficiencies at low output currents.