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LN2140

Part Number	LN2140
Manufacturer	natlinear
Description	40V 3A Boost LED Constant Current Driver
Published	Dec 4, 2018
Detailed Description	LN2140 40V 3A Boost LED Constant Current Driver  General Description  Features The LN2140 regulator is fixed frequ...
Datasheet	LN2140 PDF File

Overview

LN2140 40V 3A Boost LED Constant Current Driver  General Description  Features The LN2140 regulator is fixed frequency PWM boost LED constant current driver, capable of driving series 1W/3W LED units with excellent line and load regulation.
The LN2140 regulator includes internal frequency compensation and fixed-frequency oscillator.
An over current protection function is built inside.
So the regulator requires a minimum number of external components to work.
The PWM control circuit is able to adjust the duty ratio linearly from 0 to 90%.
The LN2140 is available in SOP8 packages.
 Package  EN shutdown with PWM dimming function  Internal optimize power mosfet  Soft-start function  ...

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