gold76：
启达科技CR（Chip-Rail）原厂供应电源控制芯片(PWM控制器):CR6221PWM+MOS, 能做到8瓦.CR6224PWM+MOS，SOP-8完全兼容OB2353.CR6224能做到8瓦CR6224PWM+MOS，DIP-8完全兼容OB2354.CR6224能做到12瓦CR6228PWM+MOS，完全兼容OB2358. CR6228能做到18瓦CR6229PWM+MOS，CR6228能做到24瓦.原边反馈无光耦和TL431:CR6235 能做到5瓦,CR6236能做到8瓦, CR6238能做到12瓦.CR6853完全兼容OB2263.能做到58瓦CR6848,CR6850CCR6561兼容L6561,CR6563兼容L6562；成都启达联系人:陈金源 电话:028-87846900-218成都联系电话:+86-13688118481 E-mail:chengoldsource@126.com golden@chiprail.comMSN:chengoldsource@hotmail.comQQ: 969178351CR6860兼容ACT30B,CR6848(兼容SG6848/6849/5701/5848,OB2262/2263,LD7550/7535.CR6850(兼容SG6848/6849/5701/5848,OB2262/2263,LD7550/7535.CR6842(兼容SG6841/6842,OB2268/2269/2278/2279,LD7552.ATXPC半桥驱动IC(CR6506兼容WT7520,CR6515兼容SG6105)CR2054兼容TLC4054.性能完全兼容LTC4054,SE9016、GP4054、CP4054、IT4054、LP4054、LN4054、OCP8020,HYM4054,EUP8054;卡拉OK混响(CR4399)马达驱动(CR7010,AE2501B)D类功放:MCD4128兼容TMPA218DS, MCD4155兼容TMPA2155DS,AE2596(可代替LM2596)AE2576(可代替LM2576)