Energy-Efficient, Accurate Primary-Side Regulated CV/CC Switcher for Adapters and Chargers

Dramatically Simplifies CV/CC Converters ? Eliminates optocoupler and all secondary CV/CC control circuitry ? Eliminates all control loop compensation circuitry Advanced Performance Features ? Dynamic base drive technology provides flexibility in choice of BJT transistor by dynamically optimi

文件：1.42988 Mbytes 頁(yè)數(shù)：22 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Energy-Efficient, Accurate Primary-Side

Advanced Performance Features ? Dynamic base drive technology provides flexibility in choice of BJT transistor by dynamically optimizing BJT switching characteristics ? Extends RBSOA of BJT ? Dramatically reduces sensitivity to BJT gain ? Compensates for input line voltage variations ? Compe

文件：1.42996 Mbytes 頁(yè)數(shù)：22 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Energy-Efficient, Accurate Primary-Side Regulated

Applications ? Chargers for cell/cordless phones, PDAs, MP3/portable audio devices, adapters, networking, etc. Description The LinkSwitchTM-4 family of ICs dramatically simplifies low power CV/CC charger design by eliminating an optocoupler and secondary control circuitry. The LinkSwitch-4 f

文件：1.42996 Mbytes 頁(yè)數(shù)：22 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

Energy-Efficient, Accurate Primary-Side Regulated CV/CC Switcher for Adapters and Chargers

Dramatically Simplifies CV/CC Converters ? Eliminates optocoupler and all secondary CV/CC control circuitry ? Eliminates all control loop compensation circuitry Advanced Performance Features ? Dynamic base drive technology provides flexibility in choice of BJT transistor by dynamically optimi

文件：1.42988 Mbytes 頁(yè)數(shù)：22 Pages

POWERINTPower Integrations, Inc.

荷蘭帕沃英蒂格盛有限公司

系列恒壓/恒流初級(jí)側(cè)調(diào)節(jié)(PSR)開(kāi)關(guān)IC

LinkSwitch?-4系列離線式電源轉(zhuǎn)換IC專(zhuān)門(mén)適用于要求滿(mǎn)足美國(guó)能源部(DoE)和歐盟行為準(zhǔn)則(CoC)嚴(yán)格的新效率標(biāo)準(zhǔn)的充電器和適配器。DoE新標(biāo)準(zhǔn)即為DoE-6，它要求在充電器USB電纜末端進(jìn)行效率合規(guī)測(cè)量；LinkSwitch-4超出了這項(xiàng)要求，同時(shí)使用低復(fù)雜度的肖特基二極管次級(jí)，甚至可用于1.5 A和2 A大電流智能手機(jī)充電器。\n LinkSwitch-4產(chǎn)品系列采用高級(jí)自適應(yīng)基極-發(fā)射極開(kāi)關(guān)驅(qū)動(dòng)技術(shù)，支持使用雙極結(jié)型晶體管(BJT)開(kāi)關(guān)，從而大幅提高電源轉(zhuǎn)換效率并消除次級(jí)擊穿產(chǎn)生的可靠性問(wèn)題。該器件集成帶準(zhǔn)諧振開(kāi)關(guān)的多模式PWM/PFM控制器，可提高效率并滿(mǎn)足<30 m 先進(jìn)的性能特性\r\n? 自適應(yīng)基極-發(fā)射極開(kāi)關(guān)驅(qū)動(dòng)技術(shù)優(yōu)化了BJT開(kāi)關(guān)特性，使BJT晶體管的選擇更為靈活\r\n? 擴(kuò)展了BJT的反向偏置安全工作區(qū)域(RBSOA)\r\n? 極大降低了對(duì)BJT增益的敏感度\r\n? 通過(guò)優(yōu)化的準(zhǔn)諧振開(kāi)關(guān)PWM/PFM開(kāi)關(guān)控制能夠滿(mǎn)足DoE 6和CoC V5 2016標(biāo)準(zhǔn)\r\n? 230 VAC下的空載功耗<30 mW\r\n? 能夠?qū)ψ儔浩麟姼泄?、輸入電壓變化和電纜電壓降以及外圍元件溫度變化進(jìn)行補(bǔ)償\r\n? 獨(dú)有的IC參數(shù)調(diào)整技術(shù)使得IC參數(shù)的公差更為精確\r\n? 固定的最低峰值電流可提高瞬態(tài)負(fù)載響應(yīng)\r\n\r\n增強(qiáng)的性能特性\r\n? 易啟動(dòng);

PI

包裝：卷帶（TR） 類(lèi)別：集成電路（IC） AC DC 轉(zhuǎn)換器，離線開(kāi)關(guān) 描述：IC OFFLINE SWITCH FLYBACK 8SO

Power Integrations