LMG365xR070 GaN FET 具有集成驅(qū)動(dòng)器和保護(hù)功能,針對(duì)開關(guān)模式電源轉(zhuǎn)換器,使設(shè)計(jì)人員能夠?qū)⒐β拭芏群托侍嵘叫碌乃健?br />*附件:具有集成驅(qū)動(dòng)器和保護(hù)功能的 LMG365xR070 650V 70 mΩ GaN FET 數(shù)據(jù)表.pdf
可調(diào)節(jié)的柵極驅(qū)動(dòng)器強(qiáng)度允許獨(dú)立控制導(dǎo)通和最大關(guān)斷轉(zhuǎn)換速率,可用于主動(dòng)控制 EMI 并優(yōu)化開關(guān)性能。導(dǎo)通轉(zhuǎn)換速率可以在 10V/ns 到 100V/ns 之間變化,而關(guān)斷轉(zhuǎn)換速率可以根據(jù)負(fù)載電流的大小從 10V/ns 限制到最大值。保護(hù)功能包括欠壓鎖定 (UVLO)、逐周期過流限制、短路和過熱保護(hù)。LMG3651R070 在 LDO5V 引腳上提供 5V LDO 輸出,可用于為外部數(shù)字隔離器供電。LMG3656R070 包括零電壓檢測(cè) (ZVD) 功能,當(dāng)實(shí)現(xiàn)零電壓切換時(shí),該功能可從 ZVD 引腳提供脈沖輸出。LMG3657R070 包括零電流檢測(cè) (ZCD) 功能,當(dāng)漏源電流為負(fù)時(shí),將 ZCD 引腳設(shè)置為高電平,并在檢測(cè)到過零點(diǎn)時(shí)轉(zhuǎn)換為低電平。
特性:
- 650V 70mΩ GaN 功率 FET,帶集成柵極驅(qū)動(dòng)器
- 200V/ns FET 抑制
- 可調(diào)節(jié)的轉(zhuǎn)換速率,用于優(yōu)化開關(guān)性能和 EMI 抑制
- 10V/ns 至 100V/ns 導(dǎo)通轉(zhuǎn)換速率
- 10V/ns 至全速關(guān)斷轉(zhuǎn)換速率
- 采用 9V 至 26V 的電源引腳和輸入邏輯引腳工作電壓范圍
- 強(qiáng)大的保護(hù)
- 具有 <300ns 響應(yīng)的逐周期過流和鎖存短路保護(hù)
- 在硬開關(guān)時(shí)可承受 720V 浪涌
- 針對(duì)內(nèi)部過熱和 UVLO 監(jiān)控進(jìn)行自我保護(hù)
- 9.8mm × 11.6mm TOLL 封裝,帶導(dǎo)熱墊
方框圖:
應(yīng)用
?商戶網(wǎng)絡(luò)和服務(wù)器PSU
?商業(yè)電信整流器
?太陽能逆變器和工業(yè)電機(jī)驅(qū)動(dòng)器
?不間斷電源
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電源轉(zhuǎn)換器
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