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SNVS549C
- JUNE 2009
- REVISED FEBRUARY 2016
LM3554 Synchronous Boost Converter With 1.2-A Dual High-Side LED Drivers and I2Cpatible Interface
1 Features
- 1 Input Voltage: 2.5 V to 5.5 V
- Programmable 4.5-V or 5-V Constant Output
Voltage
- Dual High-Side Current Sources
- Grounded Cathode Allowing for Better Heat
Sinking and LED Routing
- > 90% Efficiency
- Ultra-Small Solution Size: < 23 mm2
- Four Operating Modes: Torch, Flash, LED
Indicator, and Voltage Output
- Accurate and Programmable LED Current from
37.5 mA to 1.2 A
- Hardware Flash and Torch Enable
- LED Thermal Sensing and...