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SF1539 PWM Power Switch

SF1539 Description

SF1539 η -BalanceTM PWM Power Switch Fixed 50KHz Fsw .
SF1539 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter appli.

SF1539 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 Mod

SF1539 Applications

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

📥 Download Datasheet

Preview of SF1539 PDF
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Datasheet Details

Part number
SF1539
Manufacturer
SiFirst
File Size
543.38 KB
Datasheet
SF1539-SiFirst.pdf
Description
PWM Power Switch

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📌 All Tags

PWM Power Switch SiFirst
SiFirst SF1539-like datasheet