对于更高功率密度和薄型功率转换器设计不断增加需求使得设计人员不得不提高开关频率。以更高频率运行可大幅减小变压器和滤波器等无源组件的尺寸。然而，开关损耗一直是高频率运行的一个障碍。为了减少开关损耗，实现高频率运行，开发了带软开关技术的脉宽调制 (PWM)。这些技术让开关器件能够进行软换相，因此大幅减少了开关损耗和噪声。FSFA2100 是一款集成的 PWM 控制器和 SuperFET®，特别适用于零电压开关 (ZVS) 半桥转换器，且外部组件数量极少。该内部控制器包括振荡器、欠电压锁闭、前缘间隔 (LEB)、优化的高压侧和低压侧门极驱动器、内部软启动、用于回路补偿的温度补偿精确电流源，以及自我保护电路。与分立 MOSFET 和 PWM 控制器方案相比，FSFA2100 可以降低总成本、部件数量、尺寸和重量；同时提高了能效、生产力和系统可靠性。
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FSFA2100
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