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LM3463
www.ti.com SNVS807A – MAY 2012 – REVISED MAY 2013 Dynamic Headroom Controller with Thermal Control Interface and Individual Channel
Dimming Control
Check for Samples: LM3463 FEATURES APPLICATIONS 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 WQFN Package 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 -40В°C to 125В°C …
