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IS31LT3354

ISSI
Part Number IS31LT3354
Manufacturer ISSI
Description 40V LED DRIVER
Published Feb 23, 2013
Detailed Description IS31LT3354 40V LED DRIVER WITH EXTERNAL SWITCH GENERAL DESCRIPTION The IS31LT3354 is a continuous mode inductive step-do...
Datasheet PDF File IS31LT3354 PDF File

IS31LT3354
IS31LT3354

Overview
IS31LT3354 40V LED DRIVER WITH EXTERNAL SWITCH GENERAL DESCRIPTION The IS31LT3354 is a continuous mode inductive step-down converter, designed for driving a single LED or multiple series connected LEDs efficiently from a voltage source higher than the required LED voltage.
The device operates from an input supply between 6V and 40V and provides an externally adjustable output current of up to 2A or even higher, which is determined by the external MOSFET and inductor.
The IS31LT3354 includes a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current.
Output current can be adjusted linearly by applying an external control signal to the...


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