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The RT8259 is a high voltage buck converter that can support the input voltage range from 4.5V to 24V and the output current can be up to 1.2A. Current Mode operation provides fast transient response and eases loop stabilization.
The chip also provides protection functions such as cycle-by-cycle current limiting and thermal shutdown protection. The RT8259 is available in a SOT-23-6 and TSOT-23-6 packages.
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  • 可操作输入电压范围：4.5V至24V
  • 可调输出电压范围：0.8V 至 15V
  • 输出电流1.2A
  • 0.3Ω内部功率级MOSFET 开关
  • 效率高达 92%
  • 恒定切换频率1.4MHz
  • 可采用低ESR的输出陶瓷电容达到输出稳定
  • 热关断保护
  • 逐周期的过电流限制保护
  • 符合RoHS规范与无卤特性
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Distributed Power Systems Battery Charger Pre-Regulator for Linear Regulators WLED Drivers
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