Flashlight & Movie-Light Supplies Using TPS61058 & TPS61059 Sync Boost Converter
The application examples and reference designs shown in this document can be used to design flashlight and movie-light applications for 1.8-V and 2.8-V logic. The TPS61058/9 devices are optimized for driving high-power, single-cell white LEDs up to 800 mA from a 2.7-V to 5.5-V input. The LED current can be programmed to different levels (e.g., torch, flashlight) by a set of external resistors. The TPS61059 reference design and its bill of materials can be modified to accommodate the various torch or movie-light applications.
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