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MAX887

100 Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter

GeneralDescription TheMAX887high-efficiency,step-downDC-DCconverterprovidesanadjustableoutputfrom1.25Vto10.5V.Itacceptsinputsfrom3.5Vto11Vanddelivers600mA.Operationto100dutycycleminimizesdropoutvoltage(300mVtypat500mA).Synchronousrectificationreducesoutpu

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX887

100%占空比、低噪聲、降壓型、PWM DC-DC轉(zhuǎn)換器; ? 95%效率\n\n? 輸出電流：600mA\n\n? 逐周期電流限制\n\n? 低壓差、100%占空比運行、500mA時為300mV\n\n? 內(nèi)部0.6Ω（典型值）MOSFET\n\n? 內(nèi)部同步整流器\n\n? 高頻電流模式PWM\n\n? 外部同步或內(nèi)部300kHz振蕩器\n\n? 保證260kHz至340kHz的內(nèi)部振蕩器頻率限制\n\n? 2.5μA關(guān)斷模式;

MAX887高效、降壓型DC-DC轉(zhuǎn)換器提供1.25V至10.5V的可調(diào)輸出。它接受3.5V至11V的輸入并提供600mA輸出電流。以100%占空比運行可有效減少壓差電壓（500mA時典型值為300mV）。同步整流可降低輸出整流器損耗，從而使效率高達(dá)95%。\n\n 固定頻率脈寬調(diào)制(PWM)可降低敏感通信應(yīng)用中的噪聲。由于采用了高頻內(nèi)部振蕩器，因而可使用微型表面貼裝元件來減少電路板面積，并消除音頻干擾。SYNC輸入允許與外部時鐘同步，以避免干擾敏感的RF和數(shù)據(jù)采集電路。\n\n MAX887具有電流模式，可提供出色的負(fù)載/線路瞬態(tài)響應(yīng)。逐周期電流限制可保護(hù)內(nèi)部MOSFET和整流器。低電流（2.5μA典型值）關(guān)斷模式可延長電池壽命。\n\n

ADIAnalog Devices

亞德諾亞德諾半導(dǎo)體技術(shù)有限公司

MAX8873

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8873REUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8873SEUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8873T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8873TEUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8874REUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8874SEUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

MAX8874TEUK-T

Low-Dropout, 120mA Linear Regulators

GeneralDescription TheMAX8873T/S/RandMAX8874T/S/Rlow-dropoutlinearregulatorsoperatefroma+2.5Vto+6.5Vinputrangeanddeliverupto120mA.APMOSpasstransistorallowsthelow,82μAsupplycurrenttoremainindependentofload,makingthesedevicesidealforbattery-operatedportab

MaximMaxim Integrated Products

美信美信半導(dǎo)體

技術(shù)參數(shù)

  • VIN (max)(V)：

    11

  • VOUT1 (min)(V)：

    1.25

  • VOUT1 (max)(V)：

    10

  • IOUT1 (max)(A)：

    0.6

  • Switch Type：

    Internal

  • Output Adjust. Method：

    Resistor

  • ICC (max)(mA)：

    0.5

  • # DC-DC Outputs：

    1

  • Switching Frequency(kHz)：

    440

  • Features：

    External Sync.

  • EV Kit Available：

    Yes

  • Oper. Temp.(°C)：

    -40 to +85

  • Package/ Pins：

    SOIC (N)/8

  • Smallest Available Pckg. (max w/pins)(mm2)：

    31

  • RoHS Available：

    Yes

  • Budgetary Price (See Notes)：

    $2.87 @1k

供應(yīng)商型號品牌批號封裝庫存備注價格
MAX
24+
2560
絕對原裝!現(xiàn)貨熱賣!
 詢價
MAX
24+
SMD
3000
公司現(xiàn)貨
 詢價
MAXIM
2020+
SOP8
4500
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可
 詢價
MAXIM
23+
NA
25060
只做進(jìn)口原裝,終端工廠免費送樣
 詢價
MAXIM
10
SOT23-5
12776
詢價
MAXIM
13+
N.SO
3738
原裝分銷
 詢價
MAX
23+
SMD5
6200
絕對全新原裝!優(yōu)勢供貨渠道!特價!請放心訂購!
 詢價
MAXIM
06+
原廠原裝
8543
只做全新原裝真實現(xiàn)貨供應(yīng)
 詢價
MAX
SSOP
8
詢價
MAXIM
2015+
SOP/DIP
19889
一級代理原裝現(xiàn)貨,特價熱賣!
 詢價
更多MAX887供應(yīng)商 更新時間2025-7-29 16:27:00

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