Part Number
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SF1539W |
Manufacturer
|
SiFirst |
Description
|
PWM Power Switch |
Published
|
Mar 12, 2019 |
Detailed Description
|
SF1539W
η -BalanceTM PWM Power Switch Fixed 50KHz Fsw
FEATURES
◆ Built-in 700V Power MOSFET
◆ Proprietary η -BalanceTM...
|
Datasheet
|
SF1539W
|
Overview
SF1539W
η -BalanceTM PWM Power Switch Fixed 50KHz Fsw
FEATURES
◆ Built-in 700V 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 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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