产品详情
IC758ROWB12PCX256驱动器
.组合代换
组合代换就是把同一型号的多块IC内部未受损的电路部分,重新组合成一块完整的IC,用以代替功能不良的IC的方法。对买不到原配IC的情况下是十分适用的。但要求所利用IC内部完好的电路一定要有接口引出脚。
非直接代换关键是要查清楚互相代换的两种IC的基本电参数、内部等效电路、各引脚的功能、IC与外部元件之间连接关系的资料。实际操作时予以注意:
⑴集成电路引脚的编号顺序,切勿接错;
⑵为适应代换后的IC的特点,与其相连的外围电路的元件要作相应的改变;
⑶电源电压要与代换后的IC相符,如果原电路中电源电压高,应设法降压;电压低,要看代换IC能否工作。
⑷代换以后要测量IC的静态工作电流,如电流远大于正常值,则说明电路可能产生自激,这时须进行去耦、调整。若增益与原来有所差别,可调整反馈电阻阻值;
⑸代换后IC的输入、输出阻抗要与原电路相匹配;检查其驱动能力。
⑹在改动时要充分利用原电路板上的脚孔和引线,外接引线要求整齐,避免前后交叉,以便检查和防止电路自激,特别是防止高频自激;
[7]在通电前电源Vcc回路里再串接一直流电流表,降压电阻阻值由大到小观察集成电路总电流的变化是否正常。
IC758ROWB12PCX256驱动器
IC758RSWB12PCX512 |
IC758RSWB12PCX256 |
IC758RSWB12PCX128 |
IC758ROWC15PCX512 |
IC758ROWC15PCX256 |
IC758ROWC15PCX128 |
IC758ROWC12PCX512 |
IC758ROWC12PCX256 |
IC758ROWC12PCX128 |
IC758ROWB15PCX512 |
IC758ROWB15PCX256 |
IC758ROWB15PCX128 |
IC758ROWB12PCX512 |
IC758ROWB12PCX256 |
IC758ROWB12PCX128 |
IC758CSWC24PCX512 |
IC758CSWC24PCX256 |
IC758CSWC24PCX128 |
IC758CSWC19PCX512 |
IC758CSWC19PCX256 |
IC758CSWC19PCX128 |
IC758CSWC15PCX512 |
IC758CSWC15PCX256 |
IC758CSWC15PCX128 |
IC758CSWC12PCX512 |
IC758CSWB19PCX128 |
IC758CSWB15PCX512 |
IC758CSWB15PCX256 |
IC758CSWB15PCX128 |
IC758CSWB12PCX512 |
IC758CSWB12PCX256 |
IC758CSWB12PCX128 |
IC758COWC15PCX512 |
IC758COWC15PCX256 |
IC758COWC15PCX128 |
IC758COWC12PCX512 |
IC758COWC12PCX256 |
IC758COWC12PCX128 |
IC758COWB15PCX512 |
IC758COWB15PCX256 |
IC758COWB15PCX128 |
IC758COWB12PCX512 |
IC758COWB12PCX256 |
IC758COWB12PCX128 |
IC758CSWC12PCX256 |
IC758CSWC12PCX128 |
IC758CSWB24PCX512 |
IC758CSWB24PCX256 |
IC758CSWB24PCX128 |
IC758CSWB19PCX512 |
IC758CSWB19PCX256 |
IC758RSWB24PC128 |
IC758RSWB19PC128 |
IC758RSWB15PC128 |
IC758RSWB12PC128 |
IC758RSWB10PC128 |
IC758RSWB07PC128 |
IC758RSWA24PC64 |
IC758RSWA24PC128 |
IC758RSWA19PC64 |
IC758RSWA19PC128 |
IC758RSWA15PC64 |
IC758RSWA15PC128 |
IC758RSWA12PC64 |
IC758RSWA12PC128 |
IC758RSWA10PC64 |
IC758RSWA10PC128 |
IC758RSWA10PC |
IC758RSWA07PC64 |
IC758RSWA07PC128 |
IC758RSWA07PC |
IC758ROWB15PC128 |
IC758ROWB12PC128 |
IC758ROWB10PC128 |
IC758ROWB07PC128 |
IC758ROWA15PC64 |
IC758ROWA15PC128 |
IC758ROWA12PC64 |
IC758ROWA12PC128 |
IC758ROWA10PC64 |
IC758ROWA10PC128 |
IC758ROWA10PC |
IC758ROWA07PC64 |
IC758ROWA07PC128 |
IC758ROWA07PC |
IC757RSW24WHMI |
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