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SF1539HT

Part Number	SF1539HT
Manufacturer	SiFirst
Description	PWM Power Switch
Published	Dec 19, 2018
Detailed Description	SF1539HT η-BalanceTM PWM Power Switch Fixed 65KHz Fsw and OTP Protection FEATURES ◆ Built-in 600V Power MOSFET ◆ Over ...
Datasheet	SF1539HT PDF File

Overview

SF1539HT η-BalanceTM PWM Power Switch Fixed 65KHz Fsw and OTP Protection FEATURES ◆ Built-in 600V Power MOSFET ◆ Over Temperature Protection (OTP) ◆ 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 Edge Blanking (LEB) ◆ Constant Power Limiting ◆ Pins Floating Protection ◆ Audio Noise Free Operation ◆ VDD OVP & Clamp ◆ VDD Under ...

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