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LTC3405A - Synchronous Step-Down Regulator

Download the LTC3405A datasheet PDF. This datasheet also covers the LTC variant, as both devices belong to the same synchronous step-down regulator family and are provided as variant models within a single manufacturer datasheet.

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.
  • Stable with Ceramic Capacitors.
  • 0.8V Reference Allows Low Output Voltages.
  • Shutdown Mode Draws < 1µA Supply Current.
  • ±2% Output Voltage Accuracy.
  • Current Mode Operation for Excellent.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LTC-3405A.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
LTC3400-1 1.2MHz Micropower Synchronous Boost Converter Linear
LTC3402 Synchronous Boost Converter Linear
LTC3404 1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator Linear
LTC3406 Synchronous Step-Down Regulator Linear
LTC3406-1.5 Synchronous Step-Down Regulator Linear

Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC3405A-1.375 Synchronous Step-Down Regulator
LTC3405A-1.5 Synchronous Step-Down Regulators
LTC3405A-1.8 Synchronous Step-Down Regulators
LTC3405 Synchronous Step-Down Regulator
LTC3400 Micropower Synchronous Boost Converter

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.

View original datasheet text
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 ■ 1.5MHz Constant Frequency Operation ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ Stable with Ceramic Capacitors ■ 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 ■ Low Profile (1mm) ThinSOTTM Package U APPLICATIO S ■ Cellular Telephones ■ Personal Information Appliances ■ Wireless and DSL Modems ■ Digital Still Cameras ■ MP3 Players ■ Portable Instruments LTC3405A 1.