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All Products > Semiconductors > Driver ICs > LED Lighting Drivers

Texas Instruments LM3463 Dynamic Headroom Controller

Texas Instruments LM3463 Dynamic Headroom Controller is a six-channel linear LED driver with Dynamic Headroom Control (DHC) interface that is specialized for high power LED lighting applications. TI LM3463 delivers accurately regulated current to LEDs while maximizing the system efficiency. The variation of the output current of every output channel in the temperature range of -40°C to 125°C is well controlled to less than ±1%. The output current of every channel is accurately matched to each other with less than ± 1% difference. By interfacing TI LM3463 Dynamic Headroom Controller to the output voltage feedback node of a switching power supply via the DHC interface, the system efficiency is optimized automatically. The dynamic headroom control circuit in the LM3463 minimizes power dissipation on the external MOSFETs by adjusting the output voltage of the primary switching power supply according to the changing forward voltage of the LEDs. The dimming control interface of the LM3463 accepts both analog and PWM dimming control signals.
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Category   Semiconductors >  Driver ICs >  LED Lighting Drivers

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Texas Instruments LM3463SQ/NOPB
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926-LM3463SQ/NOPB


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Texas Instruments LED Lighting Drivers 6Ch Hi Vltg,Constant Current LED Driver
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Data Sheet
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12 V to 95 V 1.15 MHz 15 mA 6 A + 125 C SMD/SMT WQFN-48
Texas Instruments LM3463SQX/NOPB
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Texas Instruments LED Lighting Drivers 6Ch Hi Vltg,Constant Current LED Driver
Data Sheet Non-Stocked Lead-Time 8 Weeks
Alternative Packaging
Reel
2,500: $2.64



Min.: 2,500
Mult.: 2,500
Reel: 2,500
12 V to 95 V 1.15 MHz 15 mA + 125 C SMD/SMT WQFN-48
Compare up to 20 parts.
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