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LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers

Key Features

  • s High Efficiency: Up to 94% s Very Low No-Load Quiescent Current: Only 16µA (LTC3801) s High Output Currents Easily Achieved s Internal Soft-Start s Wide VIN Range: 2.4V to 9.8V s Low Dropout: 100% Duty Cycle s Constant Frequency 550kHz Operation s Burst Mode® Operation for High Efficiency at Light Loads (LTC3801) s Burst Mode Operation Disabled for Lower Output Ripple at Light Loads (LTC3801B) s Output Voltage as Low as 0.8V s ±1.5% Voltage Reference Accuracy s Current Mode Operation for Excel.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U U LTC3801/LTC3801B Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT FEATURES s High Efficiency: Up to 94% s Very Low No-Load Quiescent Current: Only 16µA (LTC3801) s High Output Currents Easily Achieved s Internal Soft-Start s Wide VIN Range: 2.4V to 9.8V s Low Dropout: 100% Duty Cycle s Constant Frequency 550kHz Operation s Burst Mode® Operation for High Efficiency at Light Loads (LTC3801) s Burst Mode Operation Disabled for Lower Output Ripple at Light Loads (LTC3801B) s Output Voltage as Low as 0.8V s ±1.