Datasheet Details
Part number:
LM3642
Manufacturer:
File Size:
962.29 KB
Description:
1.5-A Synchronous Boost LED Flash Driver
Features
* 1 1.5-A High-Side Current Source for Single LED
* > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A)
* Accurate Programmable Flash LED Current from 93 mA to 1.5 A
* Accurate Programmable Torch LED Currents:
* 48.4 mA to 375 mA
LM3642, 1.5-A Synchronous Boost LED Flash Driver
The LM3642 is a 4-MHz fixed-frequency synchronous boost converter plus 1.5-A constant current driver for a high-current white LED.
The high-side current source allows for grounded cathode LED operation providing Flash current up to 1.5 A.
An adaptive regulation method ensures the current source rema
LM3642 Distributor
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