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LTC3405 - Synchronous Step-Down Regulator

Key Features

  • High Efficiency: Up to 96%.
  • Very Low Quiescent Current: Only 20µA During Operation.
  • 300mA Output Current at VIN = 3V.
  • 2.5V to 5.5V Input Voltage Range.
  • 1.5MHz Constant Frequency Operation.
  • No Schottky Diode Required.
  • Low Dropout Operation: 100% Duty Cycle.
  • 0.8V Reference Allows Low Output Voltages.
  • Shutdown Mode Draws < 1µA Supply Current.
  • ±2% Output Voltage Accuracy.
  • Current Mode Operation for Excellent Line and Load Transient Response.

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Full PDF Text Transcription for LTC3405 (Reference)

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U U FEATURES ■ High Efficiency: Up to 96% ■ Very Low Quiescent Current: Only 20µA During Operation ■ 300mA Output Current at VIN = 3V ■ 2.5V to 5.5V Input Voltage Range ■...

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300mA Output Current at VIN = 3V ■ 2.5V to 5.5V Input Voltage Range ■ 1.5MHz Constant Frequency Operation ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ 0.8V Reference Allows Low Output Voltages ■ Shutdown Mode Draws < 1µA Supply Current ■ ±2% Output Voltage Accuracy ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperature Protected U■ Low Profile (1mm) ThinSOTTM Package APPLICATIO S ■ Cellular Telephones ■ Personal Information Appliances ■ Wireless and DSL Modems ■ Digital Still Cameras ■ MP3 Players ■ Portable Instruments LTC3405 1.