摘要： 调整供电电压水平和调整电压利润率为需要，这种电路介绍运算放大器 (MAX5481) 和数字电位器 （MAX4245） 来控制电压调节器的反馈电压。Maxim > Design support > App notes > Amplifier and Comparator Circuits > APP 4564 Maxim > Design support > App notes > Battery Management > APP 4564 Maxim > Design support > App notes > Digital Potentiometers > APP 4564 Keywords: digital potentiometer, analog-voltage control, op-amp buffers Jan 20, 2011 APPLICATION NOTE 4564 Add Precise Output Adjustment to Low-Voltage Supplies Abstract: To tweak supply-voltage levels and adjust voltage margins as required, this circuit introduces an op amp (MAX5481) and digital potentiometer (MAX4245) to control the feedback voltage to the voltage regulator. A similar version of this article appeared in the December 20, 2006 issue o……