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I2C控制器实现系统连续降温

资料介绍
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。
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New Charge Pumps Offer Low Input and Output Noise
Design Note 243
Sam Nork

Charge pump (inductorless) DC/DC converters are quite
popular in space-constrained applications where low to
moderate load currents must be supplied. Such convert-
ers are available in small packages, operate with very low VOUT
quiescent current and require minimal external compo- AC COUPLED
50mV/DIV
nents. However, noise generation is one undesirable
characteristic of most charge pumps.
Unwanted noise can create a variety of problems. Noise
generated at the power input can interfere with RF trans- VIN = 3V 5s/DIV DN243……
标签:LinearLTC1840FanControllerI2C
I2C控制器实现系统连续降温
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