SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD. .
FM7538C - Primary side control high precision constant voltage / constant current PWM controller
SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD. FM7538C(:S&CIC1224) / PWM FM7538C PWM , AC/DC 。 , TL431,。 , CS Rs ;, 。,。 , PFM ;, PWM 。 FM753.