UC3844B 电压反相
电荷泵转换器的典型应用。 UC3844B、
UC3845B 系列是高性能固定频率电流模式
控制器。它们专为离线和 DC-DC 转换器应用而设计,为设计人员提供具有成本效益的解决方案,且外部组件最少。这些
集成电路具有振荡器、温度补偿基准、高
增益误差放大器、电流检测比较器和高电流图腾柱输出,非常适合驱动功率 MOSFET
说明
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Typical Application for UC3844B Voltage-Inverting Charge Pump Converter. The UC3844B, UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-dc converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET