Offline Regulators | NCP1002

集成式离线开关稳压器

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集成式开关稳压器 NCP1000 至 NCP1002 系列，包含一个固定频率 PWM 控制器，带一个集成式高电压功率开关电路。此芯片可简化设计、最大限度减少零部件数量，适用于采用交流输入的极低成本应用。此芯片适用于为单端拓扑供电，通常为非连续模式反激，具有辅助侧传感。内部的高电压开关电路和启动电路可以在从 85 Vac 到 265 Vac 的宽广输入范围内连续运行，因此可以用于世界上任何现有的电力系统。虽然价格便宜，但这些器件具有诸多功能，如欠压锁定、超温保护、带隙基准和前缘消隐，物超所值。

  • Cell Phone Chargers
  • Wall Adapters
  • On-board AC-DC Converters
  • Highly Integrated Solution
  • Operates Over Universal Input Voltage Range (85 Vac to 265 Vac)
  • On-board 700 Volt Power Switch Circuit
  • Minimal External Parts Required
  • Input Undervoltage Lockout with Hysteresis
  • Very Low Standby Current
  • No Minimum Load Requirement
  • Opto Fail-safe Shutdown Circuit
  • Pb-Free Packages are Available

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