Offline Regulators | FSQ0370RLA

支持 100 kHz 频率和可调电流限制的 700 V 集成电源开关，用于 19 W 离线反激式转换器

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概览

FSQ0370由一个集成式电流模式脉宽调制解调器(PWM)和一个耐雪崩的700V SenseFET器件组成。它专为高性能离线式开关电源(SMPS)而设计，采用最少的外部组件。集成的PWM控制器特性包括：固定频率生成振荡器、欠压闭锁(UVLO)保护、前沿消隐(LEB)、优化的栅极接通/关断驱动器、热关断(TSD)保护和用于环路补偿和故障保护电路的温度补偿精密电流源。与分立式MOSFET和控制器或RCC开关转换器解决方案相比，FSQ0370减少了总的组件数量、设计大小和重量；同时提高了效率、生产效率和系统的可靠性。这些器件为诸如 PC 辅助电源等经济高效的反激式转换器设计提供了最佳的基础平台。

  • 台式计算机
  • LCD 电视
  • PDP电视
  • 内部雪崩耐用 700 V SenseFET
  • 在230 VAC和0.5W负载条件下，利用突发模式操作，功耗仅为0.8W
  • 精确的固定工作频率：100KHz
  • 内部启动电路和内置软启动
  • 逐脉冲限流，自动重启模式
  • 过压保护(OVP)、过载保护(OLP)、内部热关断功能(TSD)
  • 欠压闭锁(UVLO)
  • 低工作电流：3 mA
  • 可调节峰值限流

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FSQ0370RLA

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PDIP-8 GW

3

250

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1000

N

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700

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