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。
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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。