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Solutions Power Management LED Driver ICs Multitopology LED Driver
Solutions Lighting Solutions Automotive Lighting
Solutions Power Management LED Driver ICs Step-Up (Boost) LED Drivers
Solutions Power Management LED Driver ICs Step-Down (Buck) LED Drivers
Solutions Power Management LED Driver ICs Buck-Boost LED Drivers

30W White LED Automotive Headlamp Driver with Thermal Derating

30W White LED Automotive Headlamp Driver with Thermal Derating

The LT3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs. They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages. A ground referenced voltage FB pin serves as the input for several LED protection features, and also makes it possible for the converter to operate as a constant-voltage source. A frequency adjust pin allows the user to program the frequency from 100kHz to 1MHz to optimize efficiency, performance or external component size.

 


Software

LTspice

LTspice® software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. Click here to download LTspice

To launch a ready to run LTspice demonstration circuit for this part:

To explore other ready to run LTspice demonstration circuits, please visit our Demo Circuits Collection.

View More Automotive Lighting Solutions

LTM8040EV Demo Board | µModule Buck LED Driver, 4V ≤ VIN ≤ 36V, VLED up to 13V @ 1A
LT3598 Auto Battery Powered Driver for 20 LEDs with 90mA Each String

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