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SF1549 Datasheet - SiFirst

SF1549 PWM Power Switch

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

Datasheet Details

SF1549

SiFirst

61.14 KB

Pwm power switch.

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