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The RT8509A is a high performance switching Boost converter that provides a regulated supply voltage for active matrix thin film transistor (TFT) liquid crystal displays (LCDs). <p align="justify">The RT8509A incorporates current mode, fixed-frequency, pulse width modulation (PWM) circuitry with a built in N-MOSFET to achieve high efficiency and fast transient response. </p><p align="justify">The RT8509A has a wide input voltage range from 2.8V to 14V. In addition, the output voltage can be adjusted up to 24V via an external resistive voltage divider. The maximum peak current is limited to 4.5A (min.). Other features include adjustable soft-start, over-voltage protection, and over-temperature protection. </p><p align="justify">The RT8509A is available in the WDFN-12L 5x5 package.</p>
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  • 效率可达 90%
  • 输出电压可调，最高可达 24V
  • 输入电压范围：2.8V~14V
  • 输入电压欠压闭锁
  • 1.2MHz 固定工作频率
  • 可调软启动
  • 输出过压保护
  • 过热保护
  • WDFN 封装
  • 符合 RoHS 规范，不含卤素
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GIP TFT-LCD 屏
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