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Part Number
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SF1549 |
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Manufacturer
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SiFirst |
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Description
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PWM Power Switch |
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Published
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Dec 19, 2018 |
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Detailed Description
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SF1549
η-BalanceTM PWM Power Switch Fixed 65KHz Fsw
FEATURES
◆ Built-in 4A 600V Power MOSFET
◆ Proprietary η-BalanceTM...
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Datasheet
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SF1549
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Overview
SF1549
η-BalanceTM PWM Power Switch Fixed 65KHz Fsw
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 Edge Blanking (LEB) ◆ Constant Power Limiting ◆ Pins Floating Protection ◆ Audio Noise Free Operation ◆ VDD OVP & Clamp ◆ VDD Under Voltage Lockout (UVLO)
APPLICATIONS
Offline AC/DC Flyb...
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