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LM3409能否并联使用?

Other Parts Discussed in Thread: LM3409

由于项目需要,需要使用较大电流共阴极LED恒流驱动,现在想采用多个5A的3409恒流驱动板并联使用(LED共阴),想跟TI咨询一下,这样子设计是否会存在隐患?我测试了两路并联(即两块恒流板同时驱动一个LED),电流变化比一路稍大。多谢!