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SF1533 PWM Power Switch

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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.

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Datasheet Specifications

Part number
SF1533
Manufacturer
SiFirst Technology
File Size
542.78 KB
Datasheet
SF1533-SiFirstTechnology.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 Mode

Applications

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

SF1533 Distributors

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