SF1539HT Datasheet - SiFirst

SF1539HT, PWM Power Switch

SF1539HT η-BalanceTM PWM Power Switch Fixed 65KHz Fsw and OTP Protection

Features

* Built-in 600V Power MOSFET
* Over Temperature Protection (OTP)
* Proprietary η-BalanceTM Control to Boost Light Load Efficiency
* Proprietary “Zero OCP/OPP Recovery Gap” Control
* Fixed 65KHz Switching Frequency
* Built-in Soft Start Function
* Very Low Startup Current

Applications

* Offline AC/DC Flyback Converter for
* AC/DC Adaptors
* Open-frame SMPS
* Set-Top Box Power Supplies

SF1539HT-SiFirst.pdf