SF1533 PWM Power Switch

SF1533 Description

SF1533 η-BalanceTM PWM Power Switch Fixed 50KHz Fsw .
SF1533 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter applications.

SF1533 Features

* Built-in 600V Power MOSFET
* Proprietary η-BalanceTM Control to Boost Light Load Efficiency
* Proprietary “Zero OCP/OPP Recovery Gap” Control
* Fixed 50KHz Switching Frequency
* Built-in Soft Start Function
* Very Low Startup Current
* Frequency Reduction and Burst Mode

SF1533 Applications

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

📥 Download Datasheet

SF1533 Datasheet Preview — Preview of SF1533 PDF

Datasheet Details

Part number: SF1533
Manufacturer: SiFirst Technology
File Size: 542.78 KB
Datasheet: SF1533-SiFirstTechnology.pdf
Description: PWM Power Switch

📁 Related Datasheet

SF153 - 1.5A SOFT FAST RECOVERY RECTIFIER (Won-Top Electronics)
SF153-T3 - 1.5A SOFT FAST RECOVERY RECTIFIER (Won-Top Electronics)
SF153-TB - 1.5A SOFT FAST RECOVERY RECTIFIER (Won-Top Electronics)
SF1530 - High Performance Current Mode PWM Controller (SiFirst)
SF1531 - 100.00MHz SAW Filter (ETC)
SF1531S - Current Mode PWM Controller (SiFirst)
SF1535 - 110.00MHz SAW Filter (ZHONGXUN SIFANG)
SF1538 - High Performance PWM Power Switch (SiFirst)

📌 All Tags

PWM Power Switch SiFirst Technology

SiFirst Technology SF1533-like datasheet