Optoelectronics
uModule LED String Drivers with 40VIN Transient Protection
Linear Technology introduced the LTM8042 and LTM8042-1, DC/DC uModule LED drivers for strings of up to 8 white LEDs or 9 red LEDs. Capable of operating as boost, buck or buck-boost with 3V to 30V input voltage range, each device is a complete LED driver solution in a 9mm x 15mm x 2.8mm LGA (land grid array) package. The LTM8042 and LTM8042-1 boast 0.5% output current line regulation accuracy and can withstand up to 40V input transients. The LTM8042 sources up to 1A of current, whereas the LTM8042-1 sources up to 350mA.
EachThe LTM8042 and LTM8042-1 are switching regulator LED drivers with very accurate output current line regulation, ideal for driving LEDs or for general purpose current sourcing. Inductors, capacitors, regulator IC and compensation circuitry are enclosed and protected in a plastic package resembling an IC.
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