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 頁數(shù)：28 Pages

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LCD面板功率、VCOM和柵極調(diào)制

ADD8754針對(duì)TFT LCD應(yīng)用進(jìn)行了優(yōu)化，只需外部電荷泵元件，便可滿足面板電源、 VCOM及柵極調(diào)制的所有要求。單芯片中集成了高頻升壓DC-DC開關(guān)穩(wěn)壓器、邏輯穩(wěn)壓器、VCOM放大器和柵極脈沖調(diào)制電路。\n\n升壓DC-DC轉(zhuǎn)換器提供最高20V的輸出電壓，并含有一個(gè)2A內(nèi)部開關(guān)。升壓開關(guān)穩(wěn)壓器頻率可以選擇650kHz或1.2MHz，便于濾波和低噪聲工作。它可實(shí)現(xiàn)93%的效率并具有軟啟動(dòng)特性，可以限制啟動(dòng)時(shí)的涌入電流。\n\n內(nèi)部穩(wěn)壓器采用3 V至5.5 V的輸入電壓工作，可提供最高350 mA的負(fù)載電流。輸出電壓有三種選擇：2.5 V、2.85 V和3.3 V。\n\n專有VCO ? 升壓開關(guān)穩(wěn)壓器，內(nèi)置2 A電源開關(guān)\n\n? 開關(guān)頻率：650 kHz或1.2 MHz\n\n? 可調(diào)輸出電壓達(dá)20V \n\n? 350 mA邏輯穩(wěn)壓器\n\n? 可選輸出電壓：\n2.5 V, 2.85 V, 3.3 V \n\n? VCOM 放大器具有300 mA驅(qū)動(dòng)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 頁數(shù)：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 頁數(shù)：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 頁數(shù)：12 Pages

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LCD Panel Power, V, and Gate Modulation

文件：516.909 Kbytes 頁數(shù)：28 Pages

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