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SF1549 PWM Power Switch

SF1549 Description

SF1549 η-BalanceTM PWM Power Switch Fixed 65KHz Fsw .
SF1549 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter appl.

SF1549 Features

* Built-in 4A 600V Power MOSFET
* 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
* Frequency Reduction and Burst M

SF1549 Applications

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

📥 Download Datasheet

Preview of SF1549 PDF
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Datasheet Details

Part number
SF1549
Manufacturer
SiFirst
File Size
61.14 KB
Datasheet
SF1549-SiFirst.pdf
Description
PWM Power Switch

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PWM Power Switch SiFirst
SiFirst SF1549-like datasheet