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SF1549 - PWM Power Switch

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Datasheet Details

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

SF1549 Product details

Description

SF1549 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter appl

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 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 E.

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Published: Dec 19, 2018 |