24V 2A同步降压DC-DC YT8125 12V转3.3V,5V降压芯片 ¥0.31 18V 2A同步降压DC-DC YT8120 12V转3.3V,5V降压芯片 ¥0.26 18V 2A同步降压DC-DC YT8122 12V转3.3V,5V降压芯片 ¥0.18 1A同步降压DC-DC YT3406 5V转1.2V,1.8V,3.3V降压芯片 ¥0.11 1.5A同步降压DC-DC YT3411 5V转1.2V,1.8V,3.3V降压芯片 兼容RT8059 SY8089 ¥0.14 2A降压DC-DC YT3412 5V转1.2V,1.8V,3.3V降压芯片 兼容SY8089 RT8059 ¥0.18