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The RT8294A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8294A's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start up. The RT8294A also provides under voltage protection and thermal shutdown protection. The low current (< 3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT8294A is available in SOP-8 and SOP-8 (Exposed Pad) packages.
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  • 输入电压范围 : 4.5V 至 23V
  • 2A 输出电流
  • 集成的 N-MOSFET 开关
  • 电流模式控制
  • 340kHz恒定操作频率
  • 可调输出电压范围 0.923V 至 20V
  • 效率高达 95%
  • 可设计的缓启动机制
  • 可采用低ESR的陶瓷电容做为输出电容
  • 逐周期的电流限制机制
  • 输入低电压锁定机制
  • 输出过电压保护
  • 热关断保护
  • 符合RoHS规范与无卤特性
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Wireless AP/Router Set-Top-Box Industrial and Commercial Low Power Systems LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation of High-Performance DSPs
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