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The RT8299A is a high efficiency, monolithic synchronous step-down DC/DC converter with internal power MOSFETs. It achieves 3A of continuous output current over a wide input supply range from 3V to 24V with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. Thermal shutdown provides reliable, fault tolerant operation. The low current shutdown mode provides output disconnection, enabling easy power management in battery powered systems.
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  • 3V 至 24V输入电压范围
  • 3A 输出电流
  • 集成的 N-MOSFET 开关
  • 电流模式控制
  • 恒定操作频率 : 500kHz
  • 可调输出电压范围 0.8V 至 15V
  • 效率高达 95%
  • 可采用低ESR的陶瓷电容做为输出电容
  • 逐周期的过电流保护
  • 输入低电压锁定机制
  • 输出低电压保护
  • 过热关机保护
  • SOP-8 (裸露焊垫) 与 10-接脚WDFN 包装
  • 符合RoHS规范与无卤特性
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工业、商用的低功率电源系统 计算机接口设备产品 液晶屏幕与电视 绿能电器产品与相关应用装置 高效能DSP、FPGA与ASIC等负载条件操作的应用
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