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SF1539 Datasheet Pwm Power Switch

Manufacturer: SiFirst

Overview: SF1539 η -BalanceTM PWM Power Switch Fixed 50KHz Fsw.

Datasheet Details

Part number SF1539
Manufacturer SiFirst
File Size 543.38 KB
Description PWM Power Switch
Datasheet SF1539-SiFirst.pdf

General Description

SF1539 is a high performance, high efficiency, highly integrated current mode PWM power switch for offline flyback converter appli

Key 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 Edg.

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SF1539 Distributor