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恒功率源

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率。使用负荷监测 IC (MAX4210),它感官负载电流和独立,负载电压和乘以相应的信号连同内部模拟乘法器。应用到逆变误差放大器的输入输出的乘数,可以应用设置恒功率级别控制电压。
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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