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SF1533 Datasheet, SiFirst Technology

SF1533 switch equivalent, pwm power switch.

SF1533 Avg. rating / M : 1.0 rating-11

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SF1533 Datasheet

Features and benefits


* Built-in 600V Power MOSFET
* Proprietary η-BalanceTM Control to Boost Light Load Efficiency
* Proprietary “Zero OCP/OPP Recovery Gap” Control
* Fixed 50.

Application

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

Description

SF1533 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter applications. In SF1533, PWM switching frequency with shuffling is fixed to 50KHz and is trimmed to tight range. When the out.

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SF1533 Page 1 SF1533 Page 2 SF1533 Page 3

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