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LTC7804 - Boost Controller

General Description

The LTC®7804 is a high performance synchronous boost DC/DC switching regulator controller that drives an all N-channel power MOSFET stage.

Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements.

Key Features

  • n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide VIN Range: 4.5V to 40V and Operates Down to 1V After Start-Up n Output Voltage Up to 40V n Low Operating IQ: 14μA n Spread Spectrum Operation n Pass-Thru™/100% Duty Cycle Capability for Synchronous MOSFET n RSENSE or Inductor DCR Current Sensing n Programmable Fixed Frequency (100kHz to 3MHz) n Phase-Lockable Frequency (100kHz to 3MHz) n Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode® Operation at.

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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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LTC7804 Low IQ Synchronous Boost Controller with Spread Spectrum FEATURES n Synchronous Operation for Highest Efficiency and Reduced Heat Dissipation n Wide VIN Range: 4.5V to 40V and Operates Down to 1V After Start-Up n Output Voltage Up to 40V n Low Operating IQ: 14μA n Spread Spectrum Operation n Pass-Thru™/100% Duty Cycle Capability for Synchronous MOSFET n RSENSE or Inductor DCR Current Sensing n Programmable Fixed Frequency (100kHz to 3MHz) n Phase-Lockable Frequency (100kHz to 3MHz) n Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode® Operation at Light Loads n Low Shutdown IQ: 1.