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The RT8509 is a high performance switching Boost converter that provides a regulated supply voltage for active matrix thin film transistor (TFT) liquid crystal displays (LCDs). The RT8509 incorporates current mode, fixed-frequency, pulse width modulation (PWM) circuitry with a built in N-MOSFET to achieve high efficiency and fast transient response. The RT8509 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. The RT8509 is available in the WDFN-12L 5x5 package.
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<div class="spec-list"><ul class="lv1"><li>90% Efficiency </li><li>Adjustable Output Up to 24V </li><li>2.8V to 14V Input Supply Voltage </li><li>Input Supply Under-Voltage Lockout </li><li>Fixed 1.2MHz Switching Frequency </li><li>Adjustable Soft-Start </li><li>V<sub>OUT</sub> Over-Voltage Protection </li><li>Over-Temperature Protection </li><li>Thin 12-Lead WDFN Package </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>GIP TFT-LCD Panels </li></ul></div>
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