摘要： 本教程讨论数字调整输出电压的直流-直流转换器的方法。数字调整方法是与数字模拟转换器 (DAC)、 修剪锅 （数字电位器） 和 PWM 输出的微处理器。每一种方法评估并提出几个 Dac 和数字电位器。Maxim > App Notes > Digital potentiometers Keywords: DC-DC converter, output voltage adjustment, digital-to-analog converter, DAC, trim pot, digital potentiometer, PWM output Aug 06, 2002 APPLICATION NOTE 818 Digital Adjustment of DC-DC Converter Output Voltage in Portable Applications Abstract: This tutorial discusses methods for digitally adjusting the output voltage of a DC-DC converter. The digital adjustment methods are with a digital-to-analog converter (DAC), a trim pot (digital potentiometer), and PWM output of a microprocessor. Each method is assessed and several DACs and digital potentiometers presented. There are many portable applications that optimize circuit performance by adjusting the output voltage of a DC-DC converter. For instance, many microprocessors can operate……