Category Archive: Lighting

Nov 23

LM3444-EDSNEV LED Drivers – AC / Offline : 5~13 LEDs @ 205~340mA, 115VAC

lm3444edsnev_board_full

Click On Preview Summary The LM3444EDSNEV evaluation board converts 85 VAC to 135 VAC input and drives five to thirteen series connected LEDs at the currents listed in the Evaluation Board Operating Conditions section of the User Guide. This is a two-layer board using the bottom and top layer for component placement. The board is …

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Nov 23

LM3445-208277EV LED Drivers – AC / Offline : 16 LEDs@ 220mA, 8 LEDs@ 350mA

lm3445_208277ev_board

Click On Preview Summary The demonstration board included in this shipment is capable of converting a 176VAC to 305VAC input that has been phase dimmed to drive multiple LED’s at up to 500 mA average current. The evaluation board utilizing the LM3445 will automatically adjust the LED current and light output in relation to the …

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Nov 23

STEVAL-ILL026V1 LED Drivers – AC / Offline : 3W, 350mA @ 10V Max, 110/230V

steval_ill026v1_schematic

Click On Preview Summary This application note describes the functioning of the STEVAL-ILL026V1 non-isolated 3 W offline LED driver power supply designed using the VIPER22A-E low power offline SMPS primary switcher from STMicroelectronics. The circuit regulates the load current to 350 mA and generates about 10 V. The load is composed of three high-brightness (HB) …

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Nov 22

LM3429BKBSTEVAL LED Drivers – DC In : 1A @ 28V Max, 10 ~ 70V in

lm3429bkbsteval_board

Click On Preview Summary This wide range evaluation board showcases the LM3429 NFET controller used with a buck-boost current regulator. It is designed to drive 4 to 8 LEDs at a maximum average LED current of 1A from a DC input voltage of 10 to 70V. The evaluation board showcases most features of the LM3429 …

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Nov 22

STEVAL-ILL001V1 LED Drivers – AC / Offline : Off-Line 1 ~ 8 LEDs @ 350 mA

steval_ill001v1_schematic

Click On Preview Summary The STEVAL-ILL001V1 evaluation board introduces an innovative solution for driving high brightness 1 W LEDs (light emitting diodes), using the VIPer22A-E in a flyback configuration with output current control. The power supply is capable of driving a 1 to 8 LED array in the European voltage range of 185-265 VAC without …

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