A special DC-to-DC converter is designed to supply low-power to the detector system of the J-PARC \(g-2\)/EDM experiment, which aims to measure the anomaly of the muon magnetic dipole moment, \(a_{\mu } = (g -2 ) / 2\). The important requirement of the DC-to-DC converter is that the stray magnetic field from the converter should be less than 30 \({ {\mu }}\)T to reach the experimental sensitivity of 450 ppb. The DC-to-DC converter contains one buck converter and three regulators, featured with a customary designed air-core inductor. The detailed design and test results for the voltage stability, stray magnetic field, and heat dissipation in vacuum are reported.

J-PARC \(g-2\) /EDM实验的探测器系统设计了一个特殊的DC-DC转换器，用于测量μ子磁偶极矩的异常，\( a_{\mu} = (g -2 ) / 2\)。DC-DC转换器的重要要求是来自转换器的杂散磁场应小于30 \({{\mu }}\) T才能达到450 ppb的实验灵敏度。DC-DC 转换器包含一个降压转换器和三个稳压器，并带有一个定制设计的空芯电感器。报告了电压稳定性、杂散磁场和真空热耗散的详细设计和测试结果。