Application Notes
Using Flash LED Drivers for Infrared (IR) LED Applications
Texas Instruments
Published : 20 Mar 17
Description
The LM3643/4/8 devices are commonly used for mobile phone flash LED drivers. This application notediscusses the general applications of IR in mobile devices as well as the behavior of TI’s LM364X devicesfor such applications.These LED flash drivers are small solutions that provide a maximum of 1.5 A to one or two LEDs in eitherpass mode where the current sources are connected to the input
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