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SF1533 - PWM Power Switch

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SF1533 PWM Power Switch by SiFirst Technology - Datasheet Preview — Datasheet preview – SF1533

Datasheet Details

Part number	SF1533
Manufacturer	SiFirst Technology
File Size	542.78 KB
Description	PWM Power Switch
Datasheet	SF1533 Datasheet
Additional preview pages of the SF1533 datasheet.

SF1533 Product details

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.

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 Control for Energy Saving.
Current Mode Control.
Built-in Frequency Shuffling.
Built-in Synchronous Slope Compensation.
Cycle-by-Cycle Current Limiting.
Built-in Leading Edge.

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Published: May 24, 2015 |