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升压驱动器 943

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  • 降压升压型控制器简化手持式产品的DC/DC转换器设计

      A number of conventional solutions have been available forthe design of a DC/DC converter where the output voltageis within the input voltage range—a common scenarioin Li-Ion battery-powered applications—but none werevery attractive until now. Conventional topologies, suchas S ...

    /dl/24313.html

    标签: DC 降压 升压型 控制器

    上传时间: 2013-10-21

    上传用户:ljt101007

  • DN440多功能TFT LCD偏置电源和白光LED驱动器

      The makers of handheld medical, industrial and consumerdevices use a wide variety of high resolution, small tomedium sized color TFT LCD displays. The power supplydesigners for these displays must contend with shrinkingboard area, tight schedules, and variations in displaytypes and featur ...

    /dl/24327.html

    标签: 440 TFT LCD LED

    上传时间: 2013-10-26

    上传用户:chens000

  • DN436微型全桥压电马达驱动器

      Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso require a complicated driving scheme. Traditionally,this challenge has been met with the use ofseparatecircuits, inclu ...

    /dl/24328.html

    标签: 436 DN 全桥 压电

    上传时间: 2013-11-18

    上传用户:hulee

  • DN428微型同步升压转换器

      Alkaline batteries are convenient because they’re easy tofi nd and relatively inexpensive, making them the powersource of choice for portable instruments and devicesused for outdoor recreation. Their long shelf life alsomakes them an excellent choice for emergency equipmentthat may ...

    /dl/24329.html

    标签: 428 DN 同步升压 转换器

    上传时间: 2014-12-24

    上传用户:569342831

  • DN465 超低功耗升压转换器

      Industrial remote monitoring systems and keep-alivecircuits spend most of their time in standby mode. Manyof these systems also depend on battery power, so powersupply effi ciency in standby state is very important tomaximize battery life. The LT®8410/-1 high effi ciencyboost converte ...

    /dl/24331.html

    标签: 465 DN 超低功耗 升压转换器

    上传时间: 2013-11-23

    上传用户:新手无忧

  • DN445微型模块LED驱动器

      Once relegated to the hinterlands of low cost indicatorlights, the LED is again in the spotlight of the lightingworld. LED lighting is now ubiquitous, from car headlightsto USB-powered lava lamps. Car headlights exemplifyapplications that capitalize on the LED’s clear advantages&mda ...

    /dl/24344.html

    标签: 445 LED DN 微型模块

    上传时间: 2013-10-16

    上传用户:togetsomething

  • 高集成驱动器满足新一代智能手机

      Abstract: This article discusses future trends in the design of smartphones and other consumer products. The discussion focuses onthe importance of integration, which saves valuable PCB space and drives down costs.

    /dl/24369.html

    标签: 集成 智能手机 驱动器

    上传时间: 2014-01-13

    上传用户:lhw888

  • DC/DC转换器的几点思考

        什么是DC/DC 转换器? 什么是DC(Direct Current)呢?它表示的是直流电源,诸如干电池或车载电池之类。家庭用的100V电源是交流电源(AC) 。若通过一个转换器能将一个直流电压(3.0V)转换成其他的直流电压(1.5V或5.0V),这个转换器被称为DC/DC转换器或称之为开关电源或开关调整器。   DC/DC转换器一般由控制芯 ...

    /dl/24406.html

    标签: DC 转换器

    上传时间: 2014-12-24

    上传用户:文993

  • 基于IR2101最大功率跟踪逆变器的设计

    为解决直流逆变交流的问题,有效地利用能源,让电源输出最大功率,设计了高性能的基于IR2101最大功率跟踪逆变器,并以SPMC75F2413A单片机作为主控制器。高电压、高速功率的MOSFET或IGBT驱动器IR2101采用高度集成的电平转换技术,同时上管采用外部自举电容上电,能够稳定高效地驱动MOS管。该逆变器可以实现DC/AC的转换,最大 ...

    /dl/24421.html

    标签: 2101 IR 最大功率跟踪 逆变器

    上传时间: 2013-11-17

    上传用户:lliuhhui

  • 简易负离子发生器的制作

      简易负离子发生器负离子增加,对人有催眠、止汗、镇痛、增进食欲,使人精神爽快,消除疲劳的作用。图1是负离子发生器电路图。220V交流市电经D1整流后向C3和C2充电,当C2充电至氖泡导通并触发SCR导通时,C3经SCR、B的L1放电,经B感应升压后,由D2反向整流得8kV直流高压使发生器M的分子电离而产生负离子。调整R3的阻值可 ...

    /dl/24441.html

    标签: 负离子发生器

    上传时间: 2013-10-29

    上传用户:731140412