Power Factor Controllers | NCP1603

PFC/PWM 组合控制器，具有集成式高电压启动和待机功能

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NCP1603 是一款功率因数校正 (PFC) 和脉宽调制 (PWM) 组合控制器。它具有跳跃式循环运行和待机时 PFC 级关断功能，空载待机功耗极低，适用于低功耗消费市场。PFC 级以临界或非连续模式 (CRM/DCM) 升压实现。PWM 级以连续或非连续模式反激实现。

  • Notebook adapters
  • TV/Monitors

  • Co-package PWM and PFC solutions
  • Integrated maximum 500V lossless high-voltage startup circuit
  • Fault protection implemented by a timer and independt of badly coupled auxiliary transformer winding
  • PFC shutdown and skipping cycle operation in standby
  • CRM and DCM PFC without degrading power factor
  • Optional over-voltage protection (OVP)latch
  • Optional synchronization capability
  • Dual thermal shutdown

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