标签: ltc1840

LTC1840是一款双路风扇速度控制器，可应用于服务器和其他基于RACK的网络和电信设备。可提供高级控制和监控能力，通过I2C和SMBUS兼容的2线串行接口进行控制。advertisementNewChargePumpsOfferLowInputandOutputNoiseDesignNote243SamNorkChargepump(inductorless)DC/DCconvertersarequitepopularinspace-constrainedapplicationswherelowtomoderateloadcurrentsmustbesupplied.Suchconvert-ersareavailableinsmallpackages,operatewithverylowVOUTquiescentcurrentandrequireminimalexternalcompo-ACCOUPLED50mV/DIVnents.However,noisegenerationisoneundesirablecharacteristicofmostchargepumps.Unwantednoisecancreateavarietyofproblems.NoisegeneratedatthepowerinputcaninterferewithRFtrans-VIN=3V5s/DIVDN243……