MD1812

MD1810/11/12/15 Datasheet High performance primary side regulator (PSR) offline switch power supply (SMPS) controller PRODUCT DESCRIPTION MD181X is high performance primary sensing regulator (PSR) and monolithic switch power controller which is designed for small-power supply equipment with current mode control. Built-in accurate CV/CC control circuit, eliminates optocoupler, TL431 and its related loop devices. High integration design, a high performance power BJT and PFM controller and all kinds of protection circuits in one chip, to minimize the peripheral components to save the cost greatly. MD181X can be simply designed a typical flyback switch converter, the unique driving technology promotes the characteristics of withstand voltage and achieves excellent converting efficiency. FEATURES ◆ Built-in 710V power BJT. ◆ PSR control, eliminates optocoupler and TL431 ◆ Accurate CV/CC control ◆ Hysteresis over-temperature protection (OTP) circuit ◆ Higher efficiency and meet...