| 摘要 |
PURPOSE:To stabilize the output voltage of a converter by charging a capacitor by the output of an error amplifier, abruptly conducting a control transistor when the capacitor charges more than the prescribed value and controlling a main switch transistor. CONSTITUTION:When a capacitor 7 is charged by the output voltage of an error amplifier 10 and the charged charge becomes more than the prescribed value, a control transistor 6 is abruptly conducted, with the result that the base voltage of a main switch transistor 3 being in a closed state is varied, thereby controlling the supply of flyback energy to a conversion transformer 2. Thus, the output voltage of a DC/DC converter circuit can be maintained constantly. |
