摘要：一个DS4412可调电流DAC用于调整的DC-DC转换器的输出电压幅度。本文介绍如何正确地选择一个DC-DC转换器的反馈分压器网络的电阻值时， DS4412在设计就业。Maxim > App Notes > COMMUNICATIONS CIRCUITS MICROPROCESSOR SUPERVISOR CIRCUITS MISCELLANEOUS CIRCUITS VOLTAGE REFERENCES Keywords: DC-DC converter, resistive feedback divider network, current DAC, full-scale current, source Feb 20, 2008 current, sink current, output voltage margin APPLICATION NOTE 4197 Using the DS4412 to Margin the Output Voltage of a DC-DC Converter Abstract: A DS4412 adjustable-current DAC is used to adjust the margin of a DC-DC converter's output voltage. This article describes how to properly select the resistor values of a DC-DC converter's feedback divider network when a DS4412 is employed in the design. The Adjustable Power Supply The DS4412 contains two IC adjustable current sources capable of sinking and sourcing current. A typical application for these ……