72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

General Description The MAX6495–MAX6499 is a family of small, low-current, overvoltage-protection circuits for high-voltage transient systems such as those found in automotive and industrial applications. These devices monitor the input voltage and control an external nMOSFET switch to isolate th

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72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

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72V, Overvoltage-Protection Switches/ Limiter Controllers with an External MOSFET

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72V、過壓保護(hù)開關(guān)/限幅控制器，外置MOSFET

MAX6495–MAX6499系列小型、低電流過壓保護(hù)電路適用于汽車和工業(yè)等應(yīng)用中的大電壓跳變系統(tǒng)。這些器件監(jiān)視輸入電壓，在出現(xiàn)輸入過壓時，控制外部n溝道MOSFET開關(guān)，隔離輸出負(fù)載。MAX6495–MAX6499可工作在較寬的+5.5V至+72V供電電壓范圍內(nèi)。\n\n 當(dāng)監(jiān)控輸入低于用戶設(shè)置的過壓門限時，n溝道MOSFET柵極被驅(qū)動為高。集成的電荷泵電路提供一個10V柵極-源極電壓，完全導(dǎo)通n溝道MOSFET。當(dāng)輸入電壓超過用戶設(shè)置的過壓門限時，迅速拉低MOSFET的柵極，將負(fù)載與輸入斷開。在某些應(yīng)用中，不希望將負(fù)載和輸出斷開。在這些情況下，保護(hù)電路可配置為電壓限幅器，GATE ? 高度集成和小型封裝在保證系統(tǒng)可靠工作的同時節(jié)省電路板空間\n? 3mm x 3mm TDFN封裝\n\n? 電源電壓范圍：+5.5V至+72V\n\n? 過壓時，柵極快速關(guān)斷，支持100mA吸電流\n\n? 內(nèi)部電荷泵電路確保10V的柵-源電壓，提供低導(dǎo)通RDS(ON)\n\n? 支持串聯(lián)pMOSFET，實(shí)現(xiàn)電池反接電壓保護(hù)(MAX6496)\n\n? POK指示器(MAX6497/MAX6498)\n\n? 可調(diào)過壓門限\n\n? 可調(diào)欠壓門限(MAX6499)\n\n\n\n\n? 集成保護(hù)功能和寬溫范圍，提高可靠性\n? 過壓保護(hù)開關(guān)控制器允許用戶選擇最合適的外部nMOSFET\n\;

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72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

General Description The MAX6495–MAX6499 is a family of small, low-current, overvoltage-protection circuits for high-voltage transient systems such as those found in automotive and industrial applications. These devices monitor the input voltage and control an external nMOSFET switch to isolate th

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72V, Overvoltage-Protection Switches/ Limiter Controllers with an External MOSFET

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72V, Overvoltage-Protection Switches/ Limiter Controllers with an External MOSFET

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72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

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72V, Overvoltage-Protection Switches/ Limiter Controllers with an External MOSFET

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Selectable Overvoltage Mode and Overvoltage-Limiter Mode

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