Linear LTC3783 LTC3783EFE Flyback and SEPIC Controller

LINEAR

LTC3783EFE

LTC3783 date sheet

Product category

PWM LED Driver and Boost Flyback and SEPIC Controller

Application

High Voltage LED Arrays

Telecom Power Supplies

42V Automotive Systems

24V Industrial Controls

IP Phone Power Supplies

Description

True Color PWMTM Delivers Constant Color with

3000:1 Dimming Ratio

Fully Integrated Load FET Driver for PWM Dimming

Control of High Power LEDs

100:1 Dimming from Analog Inputs

Wide FB Voltage Range: 0V to 1.23V

Constant Current or Constant Voltage Regulation

Low Shutdown Current: IQ = 20µA

1% 1.23V Internal Voltage Reference

2% RUN Pin Threshold with 100mV Hysteresis

Programmable Operating Frequency

(20kHz to 1MHz) with One External Resistor

Synchronizable to an External Clock Up to 1.3fOSC

Internal 7V Low Dropout Voltage Regulator

Programmable Output Overvoltage Protection

Programmable Soft-Start

Can be Used in a No RSENSE

TM Mode for VDS < 36V

16-Lead DFN and TSSOP Packages

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