HT2811H

HOTCHIP HT2811H High performance primary sensing regulator (PSR) GENERAL DESCRIPTION HT2811H 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. HT2811H 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 800V power BJT; ◆ PSR control, eliminates optocoupler and TL431; ◆ Accurate CV/CC control ◆ Hysteresis over-temperature protection (OTP) circuit ◆ Higher efficiency and meet Level 6 efficiency standards ◆ Output voltage pro...