引脚号符号功能1D内部MOSFET的D极2NC空脚3S/GND内部MOSFET的S极4vcc控制电源输入 5 SS/OLP软启动与过载保护延迟6FB误差电压输入与间歇振荡控制7 OCP/BD过电流检测输入与BOTTOM检测输入 |
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