LM3697 High-efficiency three-string white LED driver

1 Features 1? Drives three parallel high-voltage led strings for display and keypad lighting ? High-voltage strings capable of up to 40-V output voltage and up to 90% efficiency ? Up to 30 mA per current sink ? 11-Bit configurable dimming resolution ? PWM input for content adjustable br

文件：1.06081 Mbytes 頁(yè)數(shù)：42 Pages

TI

德州儀器

High-Efficiency Three-String White LED Driver

文件：1.19873 Mbytes 頁(yè)數(shù)：36 Pages

TI

德州儀器

High-Efficiency Three-String White LED Driver

文件：1.20262 Mbytes 頁(yè)數(shù)：36 Pages

TI

德州儀器

具有 11 位指數(shù)調(diào)光的 3 串背光驅(qū)動(dòng)器

LM3697 11 位 LED 驅(qū)動(dòng)器以高達(dá) 90% 的傳送效率為 1，2 或 3 串聯(lián) LED 燈串提供高性能背光調(diào)光功能。具有集成 1A，40V MOSFET 的升壓轉(zhuǎn)換器自動(dòng)調(diào)節(jié)至 LED 正向電壓，以最大限度地減少凈空電壓并有效提升 LED 效率。\n\nLM3697 是一款針對(duì)智能手機(jī)內(nèi)背光或鍵區(qū) LED 的高效三燈串電源。高壓電感升壓轉(zhuǎn)換器為三個(gè)串聯(lián) LED 燈串提供電源，用于實(shí)現(xiàn)顯示屏背光和鍵盤功能（HVLED1、HVLED2 和 HVLED3）。 \n\n附加功能包括用于內(nèi)容可調(diào)背光控制的脈寬調(diào)制 (PWM) 控制輸入，該功能可控制所有高電壓電流阱。\n\nLM3697 ? 可驅(qū)動(dòng)三個(gè)并聯(lián)高壓 LED 燈串，用于顯示屏和鍵盤照明\n? 高壓燈串的輸入電壓高達(dá) 40V，效率高達(dá) 90%\n? 灌電流高達(dá) 30mA\n? 11 位可配置調(diào)光分辨率\n? 用于內(nèi)容可調(diào)亮度控制 (CABC) 的 PWM 輸入\n? 完全可配置的 LED 分組和控制\n? 集成 1A/40V MOSFET\n? 自適應(yīng)升壓輸出至 LED 電壓\n? 可選 500kHz 和 1MHz 開關(guān)頻率\n? 四種可配置過(guò)壓保護(hù)閾值（16V、24V、32V 和 40V）\n? 過(guò)流保護(hù)\n? 熱關(guān)斷保護(hù)\n? 總解決方案尺寸為 29mm2;

TI

德州儀器

LM3697 High-efficiency three-string white LED driver

1 Features 1? Drives three parallel high-voltage led strings for display and keypad lighting ? High-voltage strings capable of up to 40-V output voltage and up to 90% efficiency ? Up to 30 mA per current sink ? 11-Bit configurable dimming resolution ? PWM input for content adjustable br

文件：1.06081 Mbytes 頁(yè)數(shù)：42 Pages

TI

德州儀器

LM3697 High-efficiency three-string white LED driver

1 Features 1? Drives three parallel high-voltage led strings for display and keypad lighting ? High-voltage strings capable of up to 40-V output voltage and up to 90% efficiency ? Up to 30 mA per current sink ? 11-Bit configurable dimming resolution ? PWM input for content adjustable br

文件：1.06081 Mbytes 頁(yè)數(shù)：42 Pages

TI

德州儀器

LM3697 High-efficiency three-string white LED driver

1 Features 1? Drives three parallel high-voltage led strings for display and keypad lighting ? High-voltage strings capable of up to 40-V output voltage and up to 90% efficiency ? Up to 30 mA per current sink ? 11-Bit configurable dimming resolution ? PWM input for content adjustable br

文件：1.06081 Mbytes 頁(yè)數(shù)：42 Pages

TI

德州儀器

High-Efficiency Three-String White LED Driver

文件：1.47712 Mbytes 頁(yè)數(shù)：43 Pages

TI

德州儀器

High-Efficiency Three-String White LED Driver

文件：1.19873 Mbytes 頁(yè)數(shù)：36 Pages

TI

德州儀器

High-Efficiency Three-String White LED Driver

文件：1.47712 Mbytes 頁(yè)數(shù)：43 Pages

TI

德州儀器