HOTCHIP HT2800S
HT2800S is high performance primary sensing regulation and monolithic switchingmode power controller which is designed for small- power supply equipment with current mode control.DESCRIPTION
Built- in accurate CV/CC control circuit. High integration design, a high performance power BJT and PFM controller and full protection circuits in single chip, to minimize external components and save the cost effectively. HT2800S can be simply designed a typical flyback switch converter, the unique driving technology promotes the characteristics of withstand voltage and achieves excellent converting efficiency . Fig. 1. CC vs CV Curve ( Typ.)FEATURES
● Built- in 700V power BJT● PSR control, eliminates Opto- coupler and TL431
● Accurate CV/CC control
● Hysteresis over- temperature protection (OTP) circuit
● High efficiency and meet Level 6 efficiency standards
● Output voltage protection (OVP/UVLO)
● < 100