This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

LM3557是不是停产了?有没有一款芯片可以完全替代它?

Other Parts Discussed in Thread: TPS61158

LM3557用于驱动背光,显示屏(5颗LED串联)的背光驱动电流最大为25mA,背光电流为20mA时的典型功率256mW,背光为5颗灯。