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LT3755

Linear Technology
Part Number LT3755
Manufacturer Linear Technology
Description LED Controller
Published Jun 29, 2009
Detailed Description LT3755/LT3755-1/LT3755-2 40VIN, 75VOUT LED Controllers FEATURES n 3000:1 True Color PWM™ Dimming n Wide Input Voltage...
Datasheet PDF File LT3755 PDF File

LT3755
LT3755

Overview
LT3755/LT3755-1/LT3755-2 40VIN, 75VOUT LED Controllers FEATURES n 3000:1 True Color PWM™ Dimming n Wide Input Voltage Range: 4.
5V to 40V n Output Voltage Up to 75V n Constant-Current and Constant-Voltage Regulation n 100mV High Side Current Sense n Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology n Adjustable Frequency: 100kHz to 1MHz n Open LED Protection n Programmable Undervoltage Lockout with Hysteresis n Improved Open LED Status Pin (LT3755-2) n Frequency Synchronization (LT3755-1) n PWM Disconnect Switch Driver n CTRL Pin Provides Analog Dimming n Low Shutdown Current: <1µA n Programmable Soft-Start n Thermally Enhanced 16-Lead QFN (3mm × 3mm) and MSOP Packages n AEC-Q100 Qualified For Automotive Applications APPLICATIONS n High Power LED n Battery Chargers n Accurate Current Limited Voltage Regulators DESCRIPTION The LT®3755, LT3755-1 and LT3755-2 are DC/DC controllers designed to operate as a constant-current source for driving h...


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