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IS31LT3918

Part Number	IS31LT3918
Manufacturer	ISSI
Description	HIGH VOLTAGE LED LIGHTING DRIVER
Published	Feb 23, 2013
Detailed Description	IS31LT3918 HIGH VOLTAGE LED LIGHTING DRIVER WITH SWITCH DIMMING OCTOBER 2011 GENERAL DESCRIPTION IS31LT3918 LED driver I...
Datasheet	IS31LT3918 PDF File

Overview

IS31LT3918 HIGH VOLTAGE LED LIGHTING DRIVER WITH SWITCH DIMMING OCTOBER 2011 GENERAL DESCRIPTION IS31LT3918 LED driver IC is a peak current detection buck converter which operates in constant off time mode.
It operates over a very wide input voltage supply range of 6VDC to 450VDC or 110VAC/220VAC.
IS31LT3918 incorporates the special feature of switch dimming by detecting OFF-ON cycles of the main power switch.
When the switch is cycled within a 2 second period (typical) the device automatically switches the dimming level to the next step.
As a result, dimming can be achieved without replacing any wiring in the original system.
There are multiple modes of switch dimming that the user may conf...

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