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LTC3783 - Flyback and SEPIC Controller

General Description

n True Color PWMTM Delivers Constant Color with 3000:1 Dimming Ratio n Fully Integrated Load FET Driver for PWM Dimming Control of High Power LEDs n 100:1 Dimming from Analog Inputs n Wide FB Voltage Range: 0V to 1.23V n Constant Current or Constant Voltage Regulation n Low Shutdown Current: IQ

Key Features

  • PWM LED Driver and Boost, Flyback and SEPIC Controller.

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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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LTC3783 FEATURES PWM LED Driver and Boost, Flyback and SEPIC Controller DESCRIPTION n True Color PWMTM Delivers Constant Color with 3000:1 Dimming Ratio n Fully Integrated Load FET Driver for PWM Dimming Control of High Power LEDs n 100:1 Dimming from Analog Inputs n Wide FB Voltage Range: 0V to 1.23V n Constant Current or Constant Voltage Regulation n Low Shutdown Current: IQ = 20µA n 1% 1.23V Internal Voltage Reference n 2% RUN Pin Threshold with 100mV Hysteresis n Programmable Operating Frequency (20kHz to 1MHz) with One External Resistor n Synchronizable to an External Clock Up to 1.