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MAX634

CMOS Micropower Inverting Switching Regulator

CMOSMicropowerInvertingSwitchingRegulator

MaximMaxim Integrated Products

美信美信半导体

MAX634

CMOS、微功耗、反相开关型稳压器; • 将正电压转换为负电压\n\n• 低工作电流:100µA\n\n• 紧凑型8引脚MiniDIP和SO封装\n\n• 高效率:85%(典型值)\n\n• 低电池电量检测器\n\n• 输出电压精度:4% (MAX634)\n\n• 输入电压范围:+3V至+16.5V\n\n• 可调输出电压\n• 使用简单线圈时高达-20V\n\n• 变压器提供几乎无限的电压;

Maxim的MAX634和MAX4391 CMOS DC-DC稳压器可用于简单、高效的反相DC-DC转换器电路。MAX634和MAX4391开关稳压器在紧凑的8引脚封装中提供所有控制和功率处理功能:一个1.25V带隙基准电压源、一个振荡器、一个用于输出电压调节的比较器和一个525mA P沟道输出MOSFET。此外还提供了第二个比较器,用于方便地检测低电池电量。\n\n 工作电流为100µA(典型值),几乎与输出开关电流和占空比无关,因此即使在低功率电池供电系统中也能确保高效率。MAX634和MAX4391以反相配置工作,可将+3V至16.5V范围内的正输入电压转换为高达-20V的任何负输出电压。\n\n 这些器件是与Raytheon双极性电路RC4391引脚兼容的增强版本。具体改进包括显著提高了效率,扩展了低电压工作范围,并提高了输出电压精度(MAX634)。\n\n Maxim生产各种DC-DC转换器,包括MAX635、MAX636和MAX637;这减少了-5V、-12V和-15V固定输出DC-DC转换器电路中的外部元件数量。有关其他Maxim DC-DC转换器的总结,请参见此数据手册最后一页的表2。\n\n  \n\n

ADIAnalog Devices

亚德诺亚德诺半导体技术有限公司

MAX6340

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340_05

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340UK__-T

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340UK16-T

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340UK22-T

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340UK26-T

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

MAX6340UK29-T

Low-Power, SC70/SOT 關P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

GeneralDescription TheMAX6340/MAX6421–MAX6426low-powermicroprocessorsupervisorcircuitsmonitorsystemvoltagesfrom1.6Vto5V.Thesedevicesperformasinglefunction:theyassertaresetsignalwhenevertheVCCsupplyvoltagefallsbelowitsresetthreshold.Theresetoutputremainsa

MaximMaxim Integrated Products

美信美信半导体

技术参数

  • VIN (max)(V):

    16.5

  • VOUT1 (min)(V):

    0

  • VOUT1 (max)(V):

    -18.0

  • IOUT1 (max)(A):

    0.15

  • Switch Type:

    Internal

  • Output Adjust. Method:

    Resistor

  • ICC (max)(mA):

    0.15

  • # DC-DC Outputs:

    1

  • Switching Frequency(kHz):

    75

  • Power Good Signal:

    Yes

  • Industry Qualified:

    MIL-STD-883B

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    CDIP/8

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

    31

  • RoHS Available:

    Yes

  • Budgetary Price (See Notes):

    $2.94 @1k

供应商型号品牌批号封装库存备注价格
MAXIM/美信
24+
DIP
22
只做原厂渠道 可追溯货源
询价
MAX
24+
SMD
3000
公司现货
询价
MAXIM
24+
SOP
2250
100%全新原装公司现货供应!随时可发货
询价
MAXIM
23+
NA
25060
只做进口原装,终端工厂免费送样
询价
MAXIM
22+
SOP8
8200
原装现货库存.价格优势
询价
MAXIM/美信
23+
DIP-8
89630
当天发货全新原装现货
询价
MAXIM
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
询价
MAXIM
13+
SOT
3758
原装分销
询价
MAXIM
23+
SOP-8
7512
绝对全新原装!现货!特价!请放心订购!
询价
MAXIM
05+
原厂原装
4285
只做全新原装真实现货供应
询价
更多MAX634供应商 更新时间2025-7-29 16:36:00