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SNVS796D
- AUGUST 2011
- REVISED OCTOBER 2015
LM3556 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source
1 Features
- 1 Grounded Cathode LED Operation for Improved Thermal Management
- 1.5-A High-Side Current Source for Single LED
- Accurate and Programmable LED Current from
46.9 mA to 1.5 A
- > 85% Efficiency in Torch Mode (at 100 mA) and
Flash Mode (at 1 A to 1.5 A)
- Small Solution Size: < 20 mm2
- LED Thermal Sensing and Current Scale-Back
- Soft-Start Operation for Battery Protection
- Hardware Enable Pin
- Hardware Torch Enable
- Hardware Strobe Enable
- Synchronization...