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恒功率源

资料介绍
摘要:该电路提供恒定功率不同的负载。使用负荷监控IC ( MAX4210 ) ,检测负载电流和负载电压独立,内部模拟乘法器相乘相应的信号。乘法器的输出误差放大器的反相输入,让你申请一个控制电压来设置的恒功率水平。
Maxim > App Notes > Amplifier and Comparator Circuits Power-Supply Circuits
Keywords: constant power, control loop, linear voltage regulator, high-side power/current monitor Oct 27, 2009

APPLICATION NOTE 4470
Constant-Power Source
By:Dave Sackett


Abstract:This circuit delivers constant power to a varying load. Using a load-monitoring IC (MAX4210), it senses the load current
and load voltage independently, and multiplies the corresponding signals together with an internal analog multiplier. Applying the
multiplier output to the inverting input of an error amplifier lets you apply a control voltage to set the constant-power level.

This design idea appeared in the December 15, 2006 issue of Electronic Design magazine.

Supplying a fixed and accurate power level to……
恒功率源
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