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TI TPS61165 多个高亮LED解决方案

TI 公司的TPS61165时能管理多个高亮度LED的升压DC/DC转换器,集成了40V, 1.2A的电流开关,工作在1.2MHz固定开关频率,输入电压3伏到18伏,输出电压可高达38伏,可支持多达3个大功率LED。本文介绍了TPS61165的主要性能特性,典型应用以及其它多种应用电路图, TPS61165EVM-283评估模块电路图和材料清单。

TI BOOST CONVERTER MANAGES MULTIPLE HIGH-BRIGHTNESS LEDS
DC/DC Converter with Integrated 40-V, 1.2-A Current Switch Supports Up to Three High-Power LEDs
With a 40-V rated integrated switch FET, the TPS61165 is a boost converter that drives up to 10 LEDs in series. The boost converter runs at a 1.2-MHz fixed switching frequency with 1.2-A switch current limit, and allows for the use of a high brightness LED in general lighting.
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