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LM3463 Datasheet Dynamic Headroom Controller

Manufacturer: Texas Instruments

Overview: LM3463 .ti. SNVS807A – MAY 2012 – REVISED MAY 2013 Dynamic Headroom Controller with Thermal Control Interface and Individual Channel Dimming Control Check for Samples:.

General Description

The LM3463 is a six channel linear LED driver with Dynamic Headroom Control (DHC) interface that is specialized for high power LED lighting applications.

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 as well.

Key Features

  • 1.
  • 2 Dynamic Headroom Control Output to Maximize Efficiency.
  • 6 Channels Current Regulated LED Driver.
  • High Precision Analog Dimming Control Interface.
  • 4 Individual PWM Dimming Control Input.
  • Dimming Control via Digital Data Bus.
  • Built-In Maximum MOSFET Power Limiting Mechanism.
  • Allows Cascade Operation to Extend the Output Channels.
  • Fault Indicator Output.
  • Thermal Shutdown.
  • UVLO With Hysteresis.
  • 48L.

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