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MAX637

Preset/Adjustable Output CMOS Inverting Switching Regulators

GeneralDescription TheMAX635/MAX636/MAX637invertingswitchingregulatorsaredesignedforminimumcomponentDC-DCconversioninthe5mWto500mWrange. Applications ??MinimumComponent,High-EfficiencyDC-DCConverters ??PortableInstruments ??BatteryPowerConversion ??BoardLevelDC

MAX637

預(yù)置/可調(diào)輸出、CMOS、反相開關(guān)型穩(wěn)壓器; ? 預(yù)設(shè)-5V、-12V、-15V輸出電壓\n\n? 可使用2個(gè)電阻調(diào)節(jié)輸出\n\n? 效率：85%（典型值）\n\n? 只有3個(gè)外部元件\n\n? 工作電流：80μA（典型值）\n\n? 低電池電量檢測(cè)器;

MAX635/MAX636/MAX637反相開關(guān)穩(wěn)壓器旨在以很少的元件進(jìn)行5mW至500mW范圍內(nèi)的DC-DC轉(zhuǎn)換。\n\n 低功耗應(yīng)用僅需要一個(gè)二極管、輸出濾波電容和一個(gè)低成本電感。更高功耗的應(yīng)用需要額外的MOSFET和驅(qū)動(dòng)器。片內(nèi)包含低電池電量檢測(cè)電路。\n\n MAX635/MAX636/MAX637分別預(yù)設(shè)為-5V、-12V、-15V輸出。但是，可以通過添加2個(gè)電阻將穩(wěn)壓器設(shè)置為其他電平。\n\n Maxim生產(chǎn)各種升壓、降壓和反相DC-DC轉(zhuǎn)換器，它們具有邏輯電平關(guān)斷、可調(diào)振蕩器頻率和外部MOSFET驅(qū)動(dòng)等特性。\n\n ?\n\n

MAX6370KA-T

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6370KA-T

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6371

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6371

引腳可設(shè)置看門狗定時(shí)器; ? 用于關(guān)鍵μP應(yīng)用的精密看門狗定時(shí)器\n\n? 引腳可選的看門狗超時(shí)周期\n\n? 引腳可選的看門狗啟動(dòng)延遲周期\n\n? 無需斷電重啟即可更改看門狗時(shí)序特性\n\n? 開漏或推挽脈沖低電平有效看門狗輸出\n\n? 看門狗定時(shí)器禁用功能\n\n? 工作電壓：+2.5V至+5.5V\n\n? 低電源電流：8μA\n\n? 無需外部元件\n\n? 微型8引腳SOT23封裝\n\n? 通過AEC-Q100認(rèn)證（僅MAX6369KA/V+和MAX6374KA/V+）;

MAX6369–MAX6374均為引腳可選的看門狗定時(shí)器，用于監(jiān)控微處理器(μP)活動(dòng)并在系統(tǒng)工作不正常時(shí)發(fā)出信號(hào)。在正常工作期間，微處理器應(yīng)在選定的看門狗超時(shí)周期到期之前反復(fù)切換看門狗輸入(WDI)，以證明系統(tǒng)正在正確處理代碼。如果μP在超時(shí)周期到期之前未提供有效的看門狗輸入躍遷，則監(jiān)控器會(huì)置位看門狗（低電平有效WDO）輸出，以表明系統(tǒng)未在預(yù)期時(shí)間范圍內(nèi)執(zhí)行所需指令?？撮T狗輸出脈沖可用于復(fù)位μP或中斷系統(tǒng)以發(fā)出處理錯(cuò)誤警告。\n\n MAX6369–MAX6374均為靈活的看門狗定時(shí)器監(jiān)控器，可通過代碼執(zhí)行錯(cuò)誤通知提高系統(tǒng)可靠性。該系列提供多種引腳可選的看門狗定時(shí)選項(xiàng)，以適合廣泛的系統(tǒng)定時(shí)應(yīng)用：\n\n 看門狗啟動(dòng)延遲：在看門狗定時(shí)器啟動(dòng)之前提供初始延遲。\n\n 看門狗超時(shí)周期：初始啟動(dòng)延遲后正常工作的看門狗超時(shí)周期。\n\n 看門狗輸出/定時(shí)選項(xiàng)：開漏(100ms)或推挽(1ms)。\n\n MAX6369-MAX6374的工作電源范圍為+2.5V至+5.5V，采用微型8引腳SOT23封裝。\n\n ?\n\n

MAX6371KA

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6371KA-T

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6371KA-T

Pin-Selectable Watchdog Timers

GeneralDescription TheMAX6369–MAX6374arepin-selectablewatchdogtimersthatsupervisemicroprocessor(μP)activityandsignalwhenasystemisoperatingimproperly.Duringnormaloperation,themicroprocessorshouldrepeatedlytogglethewatchdoginput(WDI)beforetheselectedwatchdogtim

MAX6372

引腳可設(shè)置看門狗定時(shí)器; ? 用于關(guān)鍵μP應(yīng)用的精密看門狗定時(shí)器\n\n? 引腳可選的看門狗超時(shí)周期\n\n? 引腳可選的看門狗啟動(dòng)延遲周期\n\n? 無需斷電重啟即可更改看門狗時(shí)序特性\n\n? 開漏或推挽脈沖低電平有效看門狗輸出\n\n? 看門狗定時(shí)器禁用功能\n\n? 工作電壓：+2.5V至+5.5V\n\n? 低電源電流：8μA\n\n? 無需外部元件\n\n? 微型8引腳SOT23封裝\n\n? 通過AEC-Q100認(rèn)證（僅MAX6369KA/V+和MAX6374KA/V+）;

MAX6369–MAX6374均為引腳可選的看門狗定時(shí)器，用于監(jiān)控微處理器(μP)活動(dòng)并在系統(tǒng)工作不正常時(shí)發(fā)出信號(hào)。在正常工作期間，微處理器應(yīng)在選定的看門狗超時(shí)周期到期之前反復(fù)切換看門狗輸入(WDI)，以證明系統(tǒng)正在正確處理代碼。如果μP在超時(shí)周期到期之前未提供有效的看門狗輸入躍遷，則監(jiān)控器會(huì)置位看門狗（低電平有效WDO）輸出，以表明系統(tǒng)未在預(yù)期時(shí)間范圍內(nèi)執(zhí)行所需指令?？撮T狗輸出脈沖可用于復(fù)位μP或中斷系統(tǒng)以發(fā)出處理錯(cuò)誤警告。\n\n MAX6369–MAX6374均為靈活的看門狗定時(shí)器監(jiān)控器，可通過代碼執(zhí)行錯(cuò)誤通知提高系統(tǒng)可靠性。該系列提供多種引腳可選的看門狗定時(shí)選項(xiàng)，以適合廣泛的系統(tǒng)定時(shí)應(yīng)用：\n\n 看門狗啟動(dòng)延遲：在看門狗定時(shí)器啟動(dòng)之前提供初始延遲。 看門狗超時(shí)周期：初始啟動(dòng)延遲后正常工作的看門狗超時(shí)周期。 看門狗輸出/定時(shí)選項(xiàng)：開漏(100ms)或推挽(1ms)。 MAX6369-MAX6374的工作電源范圍為+2.5V至+5.5V，采用微型8引腳SOT23封裝。\n\n ?\n\n