[{"title":"( 1 个子文件 21KB ) DCDC-大功率方案原理图参考设计","children":[{"title":"150W_BUCK电源参考设计","children":[{"title":"JWH6346_S0_R1_SCH_20210719.SchDoc <span style='color:#111;'> 200.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]