Product Summary
The LT3756EMSE-2#TRPBF is a DC/DC controller designed to operate as a constant-current source for driving high current LEDs. The LT3756EMSE-2#TRPBF drives a low side external N-channel power MOSFET from an internal regulated 7V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages. The applications of the LT3756EMSE-2#TRPBF are (1)High Power LED Applications; (2)Industrial; (3)Automotive.
Parametrics
LT3756EMSE-2#TRPBF absolute maximum ratings: (1)VIN: 100V; (2)SHDN/UVLO: 100V, VIN + 0.3V; (3)ISP, ISN: 100V; (4)INTVCC: 8V, VIN + 0.3V; (5)GATE, PWMOUT: INTVCC + 0.3V; (6)CTRL, PWM, OPENLED: 12V; (7)VC, VREF, SS, FB: 3V; (8)SYNC: 8V; (9)RT: 1.5V; (10)SENSE: 0.5V; (11)Operating Junction Temperature Range: –40 to 125℃; (12)Maximum Junction Temperature: 125℃; (13)Storage Temperature Range: –65 to 125℃.
Features
LT3756EMSE-2#TRPBF features: (1)3000:1 True Color PWM Dimming; (2)Wide Input Voltage Range: 6V to 100V; (3)Output Voltage Up to 100V; (4)Constant-Current and Constant-Voltage Regulation; (5)100mV High Side Current Sense; (6)Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology; (7)Adjustable Frequency: 100kHz to 1MHz; (8)Open LED Protection; (9)Programmable Undervoltage Lockout with Hysteresis; (10)Open LED Status Pin (LT3756); (11)Frequency Synchronization (LT3756-1); (12)PWM Disconnect Switch Driver; (13)CTRL Pin Provides Analog Dimming; (14)Low Shutdown Current: <1μA; (15)Programmable Soft-Start; (16)Thermally Enhanced 16-Lead QFN (3mm × 3mm) and MSOP Packages.
Diagrams
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![]() IC LED DRVR HP CONS CURR 16-MSOP |
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