Light emitting diode driving system with fast voltage-adjusting circuit

A light emitting diode driving system driving a plurality of two-pin point-controlled light emitting diode lamps, the light emitting diode driving system comprising:

• a control unit;
• an output side switch unit receiving and sending an output voltage, the output side switch unit electrically connected to the control unit and the two-pin point-controlled light emitting diode lamps;
• a fast voltage-adjusting circuit electrically connected to the control unit, the two-pin point-controlled light emitting diode lamps and the output side switch unit;
• and
• a light signal voltage generation circuit clamping the output voltage, the light signal voltage generation circuit electrically connected to the control unit, the output side switch unit and the fast voltage-adjusting circuit,
• wherein the control unit controls a conducting state of the output side switch unit;
• when the control unit does not turn on the output side switch unit, the control unit controls the fast voltage-adjusting circuit to process the output voltage, and the light signal voltage generation circuit combines the fast voltage-adjusting circuit to clamp the output voltage to meet a predetermined value;
• when the output voltage is processed to meet the predetermined value, the control unit turns on the output side switch unit so the output voltage recovers and a light driving signal is generated;
• according to the light driving signal, the two-pin point-controlled light emitting diode lamps are operated in a lighting mode.