SF1539 PWM Power Switch

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.

📥 Download Datasheet

SF1539 Datasheet Preview — Preview of SF1539 PDF

Datasheet Specifications

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

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

Applications

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

SF1539 Distributors

📁 Related Datasheet

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📌 All Tags

SF1539 PWM Power Switch SiFirst

SiFirst SF1539-like datasheet