LCD Panel Power, VCOM, and Gate Modulation

GENERAL DESCRIPTION The ADD8754 is optimized for use in TFT LCD applications, requiring only external charge pump components to provide all the requirements for panel power, VCOM, and gate modulation. Included in a single chip are a high frequency step-up dc-to-dc switching regulator, logic volta

文件：516.32 Kbytes 页数：28 Pages

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LCD面板功率、VCOM和栅极调制

ADD8754针对TFT LCD应用进行了优化，只需外部电荷泵元件，便可满足面板电源、 VCOM及栅极调制的所有要求。单芯片中集成了高频升压DC-DC开关稳压器、逻辑稳压器、VCOM放大器和栅极脉冲调制电路。\n\n升压DC-DC转换器提供最高20V的输出电压，并含有一个2A内部开关。升压开关稳压器频率可以选择650kHz或1.2MHz，便于滤波和低噪声工作。它可实现93%的效率并具有软启动特性，可以限制启动时的涌入电流。\n\n内部稳压器采用3 V至5.5 V的输入电压工作，可提供最高350 mA的负载电流。输出电压有三种选择：2.5 V、2.85 V和3.3 V。\n\n专有VCO • 升压开关稳压器，内置2 A电源开关\n\n• 开关频率：650 kHz或1.2 MHz\n\n• 可调输出电压达20V \n\n• 350 mA逻辑稳压器\n\n• 可选输出电压：\n2.5 V, 2.85 V, 3.3 V \n\n• VCOM 放大器具有300 mA驱动能力;

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LCD Panel Power, VCOM, and Gate Modulation

GENERAL DESCRIPTION The ADD8754 is optimized for use in TFT LCD applications, requiring only external charge pump components to provide all the requirements for panel power, VCOM, and gate modulation. Included in a single chip are a high frequency step-up dc-to-dc switching regulator, logic volta

文件：516.32 Kbytes 页数：28 Pages

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LCD Panel Power, VCOM, and Gate Modulation

GENERAL DESCRIPTION The ADD8754 is optimized for use in TFT LCD applications, requiring only external charge pump components to provide all the requirements for panel power, VCOM, and gate modulation. Included in a single chip are a high frequency step-up dc-to-dc switching regulator, logic volta

文件：516.32 Kbytes 页数：28 Pages

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Evaluation Kit for LCD Power, VCOM, and Gate Modulation

PRODUCT DESCRIPTION The ADD8754-EVAL simplifies the evaluation of the ADD8754 device. It includes a fully assembled evaluation board and detailed usage instructions. This data sheet describes the ADD8754 evaluation board only. For specific information regarding the ADD8754 device, LCD power, VCO

文件：712.3 Kbytes 页数：12 Pages

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LCD Panel Power, V, and Gate Modulation

文件：516.909 Kbytes 页数：28 Pages

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