Offline Regulators | FSFM300

带有异常 OCP 功能 的 650 V 集成电源开关，用于 30 W 离线反激式转换器

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概览

FSFM260N/261N/300N是集成式脉宽调制器(PWM)和SenseFET，专门设计用于外部组件最少的高性能、离线、开关电源(SMPS)。此器件是一款集成式高压功率开关调节器，合并了耐雪崩SenseFET和电流模式脉宽调制(PWM)控制模块。PWM控制器包括集成式固定频率振荡器、欠压闭锁(UVLO)、前沿消隐(LEB)、优化的栅极驱动器、内部软启动、用于环路补偿的温度补偿精密电流源和自保护电路。与分立式MOSFET和PWM控制器解决方案相比，它能够降低总成本、组件数量、尺寸和重量，同时提高效率、生产力和系统可靠性。此器件为经济高效的反激式转换器设计提供了一个基础平台

  • LCD 电视
  • 内部耐雪崩 SenseFET
  • 先进突发模式操作在240VAC和0.5W负载时的功耗为1W
  • 精确的固定工作频率：67kHz
  • 内部启动电路
  • 过压保护(OVP)
  • 过载保护 (OLP)
  • 内部热关断功能 (TSD)
  • 异常过流保护(AOCP)
  • 自动重启模式
  • 具有滞后的欠压闭锁(UVLO)
  • 低工作电流：2.5mA
  • 内置软启动：15ms

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fJitter Typ (%)

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FSFM300N

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PDIP-8

646CM

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3000

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67

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650

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