| 摘要(英文)： |
A power supply controlling device, including : connected to the power source of the voltage dividing circuit 1st, 2nd voltage-dividing circuit, with the power end of the step-down of the voltage dividing circuit 3rd, 4th voltage-dividing circuit, with the input end of the 1st 1st is connected with the voltage-dividing circuit, with the input end of the 2nd 3rd 1st is connected with the voltage-dividing circuit of the voltage comparator, the voltage comparator is connected with the 1st 2nd between the input end and the output end of the feedback circuit of the 1st, 2nd and 1st is connected with the voltage-dividing circuit, with the input end of the 2nd 4th 2nd is connected with the voltage-dividing circuit of the voltage comparator, the voltage comparator is connected with the output end of the 2nd 2nd 2nd between the input end of the feedback circuit, with the 1st input end of the output end of the voltage comparator is connected with the inverter, the output of the inverter, the 2nd the output end of the voltage comparator is connected with the power source and power output of the device. The embodiment of the invention to avoid the supply voltage to the critical operating point of the fluctuation phenomenon restart devices. |
