HOTCHIP HT2802S
HT2802S is high performance primary sensing regulation and monolithic switching- mode power controller which is designed for small- power supply equipment with current mode control.GENERAL 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. HT2802S can be simply designed a typical flyback switch converter, the unique driving technology promotes the characteristics of withstand voltage and achieves excellent converting efficiency TYPICAL APPLICATION CIRCUITRYFEATURES
● Built-in 800V power BJT;● PSR control, eliminates Opto-coupler and TL431;
● Accurate CV/CC control
● Hysteresis over-temperature protection (OTP) circuit
● Higher efficiency and meet Level 6 efficiency standards
● Output voltage protection (OVP/UVLO)
● < 100 m