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降压恒流源芯片，PWM控制电流大小

Nan Chang
Prodigy 110 points
Other Parts Discussed in Thread: LM3401, TPS92510, LM3405A

工程师您好，给推荐款LED解决方案。芯片要求，5V输入，pwm控制电流大小,输出3.5V,电流1A左右。