Datasheet Details
Part number:
LM3555
Manufacturer:
File Size:
1.25 MB
Description:
Synchronous boost converter.
Datasheet Details
Part number:
LM3555
Manufacturer:
File Size:
1.25 MB
Description:
Synchronous boost converter.
LM3555, Synchronous Boost Converter
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 eliminating the need for an additional return trace
LM3555 Features
* 1 High-Voltage High-Side Current Source Allows for Grounded Cathode LED Operation
* Synchronous Boost Converter
* Peak Converter Efficiency > 90%
* Accurate and Programmable LED Current Ranging From 60 mA to 500 mA
* Adaptive LED Current Range Based on LED Co
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