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LM3434

Part Number	LM3434
Manufacturer	National Semiconductor
Description	Common Anode Capable High Brightness LED Driver
Published	Apr 8, 2020
Detailed Description	LM3434 Common Anode Capable High Brightness LED Driver with High Frequency Dimming LM3434 March 29, 2010 Common Anode...
Datasheet	LM3434 PDF File

Overview

LM3434 Common Anode Capable High Brightness LED Driver with High Frequency Dimming LM3434 March 29, 2010 Common Anode Capable High Brightness LED Driver with High Frequency Dimming General Description The LM3434 is an adaptive constant on-time DC/DC buck (step-down) constant current controller (a true current source).
The LM3434 provides a constant current for illuminating high power LEDs.
The output configuration allows the anodes of multiple LEDs to be tied directly to the ground referenced chassis for maximum heat sink efficacy.
The high frequency capable architecture allows the use of small external passive components and no output capacitor while maintaining low LED ripple current.
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