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求推荐带调光功能的升压恒流LED驱动芯片

Other Parts Discussed in Thread: TPS61500, TPS61169, TPS92561, TPS92560

各位老师好!我司待开发一款LED台灯,具体要求如下:

输入:5V1.5A电源适配器供电

输出:18V0.3A

其它要求:触摸三段调光

求推荐一款内置开关管的芯片!

谢谢!