LM2940是低压差的线性稳压集成电路,芯片输入输出之间的损耗(也就是压损)比较小,大概是零点几V。
电子发烧友
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LM2940接5V电源稳出来只有4.0V电压输入接47uF电容,输出接22uF电容,按典型电路接的,急救。。。。
2013-08-11 18:29
因为比赛所以要用LM2940做一个稳压模块,因为有多个LM2940组成的,不知道是否会因为多个LM2940而降低了每个LM2940的输出电流。所以想知道
2014-03-02 12:37
The LM2940/LM2940C positive voltage regulator features theability to source 1A of output current
2009-09-30 15:00
The LM2940/LM2940C positive voltage regulator features theability to source 1A of output current
2009-10-05 10:57
2012-12-18 19:11
LM2940 2940C典型应用电路图
2009-05-11 13:03
LM2940 - 1A LOW DROPOUT REGULATOR - National Semiconductor
2022-11-04 17:22
2940芯片
2017-04-14 08:37
LM2940 - 1.25A High Current Low Dropout - List of Unclassifed Manufacturers
2022-11-04 17:22
LM2940 - 1A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR - Unisonic Technologies
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