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LTC3783 Datasheet Flyback And Sepic Controller

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3783.

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 = 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 1.3fOSC n Internal 7V Low Dropout Voltage Regulator n Programmable Output Overvoltage Protection n Programmable Soft-Start n Can be Used in a No RSENSETM Mode for VDS < 36V n 16-Lead DFN and TSSOP Packages APPLICATIONS n High Voltage LED Arrays n Tele Power Supplies n 42V Automotive Systems n 24V Industrial Controls n IP Phone Power Supplies , LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

True Color PWM and No RSENSE are trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Key Features

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

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LTC3780 4-Switch Buck-Boost Controller
LTC3785 No RSENSE Buck-Boost Controller
LTC3785-1 Buck-Boost Controller
LTC3788 Dual Output Synchronous Boost Controller
LTC3788-1 Dual Output Synchronous Boost Controller
LTC3700 Constant Frequency Step-Down DC/DC Controller
LTC3701 Dual Step-Down DC/DC Controller
LTC3703 100V Synchronous Switching Regulator Controller
LTC3703-5 60V Synchronous Switching Regulator Controller
LTC3704 Positive-to-Negative DC/DC Controller

LTC3783 Distributor