Features

 Dual Independent 1.5A LED Current Source Programmability

 Accurate and Programmable LED Current Range from 1.4mA to

1.5A

 Torch Currents up to 360mA (AL3644TT)

 Flash Timeout Values up to 1.6 seconds (AL3644TT)

 Optimized Flash LED Current During Low Battery Conditions

(Input Voltage Flash Monitor)

 > 85 Efficiency in Torch Mode (at 100mA) and Flash Mode (at

1A to 1.5A)

 Grounded Cathode LED Operation for Improved Thermal

Management

 Small Solution Size: < 16mm2

 Hardware Strobe Enable (STROBE)

 Synchronization Input for RF Power Amplifier Pulse Events (TX)

 Hardware Torch Enable (TORCH/TEMP)

 Remote NTC Monitoring (TORCH/TEMP)

 400kHz I2C-Compatible Interface

– AL3644 (I2C Address = 0x63)

 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

 Halogen and Antimony Free. “Green” Device (Note 3)

Applications

 Camera Phone White LED Flash