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Reference Design
SNVS569C
- MAY 2009
- REVISED OCTOBER 2016
LM3550 5-A Super-Capacitor Flash LED Driver
1 Features
- 1 Up to 5 A Flash Current
- 4 Selectable Super-Capacitor Charge Voltage
Levels (4.5 V, 5 V, 5.3 V, Optimized)
- Adjustable Torch Current (60 mA to 200 mA)
- Ambient Light or LED Thermal Sensing With
Current Scaleback
- Dedicated Indicator LED Current Source
- No Inductor Required
- Programmable Flash Pulse Duration, and Torch and Flash Currents via I2C-patible Interface
- True Shutdown (LED Disconnect)
- Flash Timeout Protection
- Low Profile 20-Pin UQFN Package
(3 mm × 2.5...
