LM3555 converter equivalent, synchronous boost converter.
*1 High-Voltage High-Side Current Source Allows for Grounded Cathode LED Operation
* Synchronous Boost Converter
* Peak Converter Efficiency > 90%
* Accur.
Camera Phone LED Flash
3 Description
The LM3555 is a 2-MHz fixed-frequency, currentmode synchronous boost converter des.
The LM3555 is a 2-MHz fixed-frequency, currentmode synchronous boost converter designed to drive either a single flash LED at 500 mA or two series flash LEDs at 400 mA. A high-voltage current source allows the LEDs to be terminated to the GND plane e.
Image gallery
TAGS
Download (Size : 1.25MB)