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LM3409: 关于lm3409所能支持的最大输出电流的问题

Part Number: LM3409
Other Parts Discussed in Thread: TPS92640

从手册上看,可以得知lm3409并不直接驱动LED,而是同时pgate管脚输出控制信号驱动pmos管,所以lm3409所能支持的led功率大小应该就是由相应的pmos决定的吧。所以我能够使能lm3409来驱动总电流8A的LED吧,但是这又和主页上支持最大电流5A相悖了,有点疑惑,需要帮忙点醒一下。谢谢。