LM3904搭一个6A的恒流电路不能锁定电流
参考LM3409, -Q1, LM3409HV, -Q1 P-FET Buck Controller for High-Power LED Drivers 数据表的电路,增加Riadj和20kHz的PWM调整电流; Riadj = 180k...
参考LM3409, -Q1, LM3409HV, -Q1 P-FET Buck Controller for High-Power LED Drivers 数据表的电路,增加Riadj和20kHz的PWM调整电流; Riadj = 180k...