TV TFT LCD面板的多路輸出電源

EUP2683 通過12V輸入電壓，產(chǎn)生TFT LCD電視面板所需的四路電源。它們包括一個(gè)降壓轉(zhuǎn)換器，一個(gè)升壓轉(zhuǎn)換器，一個(gè)正電荷泵和一個(gè)負(fù)電荷泵。\n其中降壓轉(zhuǎn)換器和升壓轉(zhuǎn)換器集成內(nèi)部功率MOSFET，并且具有高工作頻率這樣可以使用更小的外部電感和電容，得到一個(gè)緊湊的解決方案。升壓轉(zhuǎn)換器提供TFT 源極電源驅(qū)動(dòng)電壓，降壓轉(zhuǎn)換器提供系統(tǒng)邏輯部分的電源電壓。兩個(gè)轉(zhuǎn)換器使用固定開關(guān)頻率的電流?？刂萍軜?gòu)，具有快速的負(fù)載響應(yīng)和簡單的補(bǔ)償結(jié)構(gòu)。正電荷泵和負(fù)電荷泵提供TFT 柵極電壓驅(qū)動(dòng)電源。四路電源的輸出電壓可以分別通過外部分壓電阻設(shè)定。兩個(gè)轉(zhuǎn)換器和兩個(gè)電荷泵都被一個(gè)中央時(shí)鐘控制開關(guān)動(dòng)作，這個(gè)時(shí)鐘可以通過 ?輸入電壓范圍：8V至14.7V\n?可選擇頻率 (500kHz/750kHz)\n?電流模式的升壓轉(zhuǎn)換器\n集成20V，3.7A，100mΩ的MOSFET\n?電流模式的降壓轉(zhuǎn)換器\n集成20V，2.3A，175mΩ的MOSFET\n?100mA電荷泵輸出電流\n?負(fù)電荷泵驅(qū)動(dòng)VGL\n?正電荷泵驅(qū)動(dòng)VGH\n?VGL和VGH時(shí)序可調(diào)\n?柵極驅(qū)動(dòng)信號(hào)驅(qū)動(dòng)外部MOSFET\n?內(nèi)部和外部可調(diào)軟啟動(dòng)\n?短路保護(hù)\n?過壓保護(hù)\n?過溫關(guān)斷\n?TSSOP-28(EP)封裝\n?符合RoHS規(guī)范及Pb-Free，Halogen-Free;

Eutech

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Multi-Output Power Supplies

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EUTECHEutech Microelectronics Inc

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Three-Channel Flash LED Driver with Independent Current Control

Features ? High efficiency synchronous boost converter with 2MHz/4MHz switching frequency option ? I2C interface programming and hardware STROBE/TORCH control ? Two current sources and one current sink ? LED1: Up to 1.5A (7 bits) ? LED2: Up to 0.75A (6 bits) ? LED3: Up to 0.3A (6 bits)

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KINETIC

芯凱電子

Three-Channel Flash LED Driver with Independent Current Control

Features ? High efficiency synchronous boost converter with 2MHz/4MHz switching frequency option ? I2C interface programming and hardware STROBE/TORCH control ? Two current sources and one current sink ? LED1: Up to 1.5A (7 bits) ? LED2: Up to 0.75A (6 bits) ? LED3: Up to 0.3A (6 bits)

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KINETIC

芯凱電子

3.5GHz Downconverter Mixers with Selectable LO Doubler

General Description The MAX2683/MAX2684 are super-high-performance, low-cost downconverter mixers intended for wireless local loop (WLL) and digital microwave radio (DMR) applications in the 3.4GHz to 3.8GHz frequency band. The MAX2683 is optimized for downconversion to IF frequencies between 100

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MAXIM

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