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SF5590 - PWM Controller

Description

SF5590 is a high performance, highly integrated current mode PWM controller for medium to large offline flyback

Features

  • Programmable Switching Frequency.
  • Proprietary HV-mWTM to Achieve Less than 50mW Standby Power.
  • Proprietary η-BalanceTM Control to Boost Light Load Efficiency.
  • Proprietary “Zero OCP/OPP Recovery Gap” Control.
  • Proprietary “Audio Noise Free OCP Compensation”.
  • Built-in Soft Start Function.
  • Pin Floating Protection.
  • Frequency Reduction and Burst Mode Control for Energy Saving.
  • Current Mode Control.
  • Built-in Frequency Shuffling.
  • Built-in Synchrono.

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Datasheet preview – SF5590

Datasheet Details

Part number SF5590
Manufacturer SiFirst
File Size 366.10 KB
Description PWM Controller
Datasheet download datasheet SF5590 Datasheet
Additional preview pages of the SF5590 datasheet.

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Full PDF Text Transcription

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SF5590 HV-mWTM、η-BalanceTM PWM Controller Programmable Fsw FEATURES ◆ Programmable Switching Frequency ◆ Proprietary HV-mWTM to Achieve Less than 50mW Standby Power ◆ Proprietary η-BalanceTM Control to Boost Light Load Efficiency ◆ Proprietary “Zero OCP/OPP Recovery Gap” Control ◆ Proprietary “Audio Noise Free OCP Compensation” ◆ Built-in Soft Start Function ◆ Pin Floating Protection ◆ 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 ◆ Leading Edge Blanking (LEB) ◆ Constant Power Limiting ◆ VDD OVP & Clamp ◆ VDD Under Voltage Lockout (UVLO) APPLICATIONS Offline AC/DC Flyback Converter for ◆ AC/DC Adaptors ◆ Open-frame SMPS ◆ Print Power, Scanners,
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