TPS61165 High Brightness White LED Driver in （TPS61165高亮度白光LED驱动程序）.pdf

Product Sample Technical Tools Support Reference Folder Buy Documents Software Community Design TPS61165 SLVS790D – NOVEMBER 2007 – REVISED APRIL 2016 TPS61165 High-Brightness, White LED Driver in WSON and SOT-23 Packages 1 Features 3 Description With a 40-V rated integrated switch FET, the 1 • 3-V to 18-V Input Voltage Range TPS61165 device is a boost converter that drives • 38-V Open LED Protection LEDs in series. The boost converter runs at a • 200-mV Reference Voltage With 2% Accuracy 1.2-MHz fixed switching frequency with 1.2-A switch • 1.2-A Switch FET With 1.2-MHz Switching current limit, allowing the use of a high-brightness Frequency LED in general lighting. • Flexible One-Wire Digital and PWM Brightness The default white LED current is set with the external Control sensor resistor Rset, and the feedback voltage is • Built-in Soft Start regulated to 200 mV, as shown