一个电源脉宽可调蕊片TL494

电源技术Order this document by TL494/D TL494SWITCHMODE Pulse WidthModulation Control CircuitThe TL494is a fixed frequency,pulse width modulation control circuit SWITCHMODEdesigned primarily for SWITCHMODE power supply control.PULSE WIDTH MODULATION CONTROL CIRCUIT Complete Pulse Width Modulation Control Circuitry