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profi

  • profi公司基于PLC MPI協議推出的C語言驅動

    profi公司基于 MPI協議 C語言驅動，內含資料說明及代碼

    標簽： profi PLC MPI C語言 協議 驅動

    上傳時間： 2019-08-28

    上傳用戶：swordtyt

  • DN440多功能TFT LCD偏置電源和白光LED驅動器

      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 feature requirements. The LTC®3524 simplifi esthe designer’s job by combining a versatile, easily programmed,TFT LCD bias supply and white LED backlightdriver in a low profi le 4mm × 4mm QFN package.

    標簽： 440 TFT LCD LED

    上傳時間： 2013-10-26

    上傳用戶：chens000

  • DN457寬輸入電壓范圍同步降壓穩壓器

      The LTC®3610 is a high power monolithic synchronousstep-down DC/DC regulator that can deliver up to 12Aof continuous output current from a 4V to 24V (28Vmaximum) input supply. It is a member of a high currentmonolithic regulator family (see Table 1) that featuresintegrated low RDS(ON) N-channel top and bottomMOSFETs. This results in a high effi ciency and highpower density solution with few external components.This regulator family uses a constant on-time valleycurrent mode architecture that is capable of operatingat very low duty cycles at high frequency and with veryfast transient response. All are available in low profi le(0.9mm max) QFN packages.

    標簽： 457 DN 寬 同步降壓

    上傳時間： 2013-11-07

    上傳用戶：moerwang

  • 基于FPGA的高度集成DCDC穩壓器

      In a recent discussion with a system designer, the requirementfor his power supply was to regulate 1.5Vand deliver up to 40A of current to a load that consistedof four FPGAs. This is up to 60W of power that must bedelivered in a small area with the lowest height profi lepossible to allow a steady fl ow of air for cooling. Thepower supply had to be surface mountable and operateat high enough effi ciency to minimize heat dissipation.He also demanded the simplest possible solution so histime could be dedicated to the more complex tasks. Asidefrom precise electrical performance, this solution had toremovethe heat generated during DC to DC conversionquickly so that the circuit and the ICs in the vicinity do notoverheat. Such a solution requires an innovative designto meet these criteria:

    標簽： FPGA DCDC 集成 穩壓器

    上傳時間： 2013-11-24

    上傳用戶：defghi010

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