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SF6771S - CV/CC Controller

General Description

SF6771S is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regulation (PSR) controller for offline small power converter applications.

SF6771S has proprietary super-QR/PSRTM control for high efficiency and low EMI.

Key Features

  • Easily Meet EPS Level 6.
  • Less than 75mW Standby Power.
  • Proprietary super-QR/PSRTM (Quasi- Resonant & Primary Side Regulation) Control for High Efficiency and Low EMI.
  • ±5% CC and CV Precision.
  • Proprietary Cable Drop Compensation.
  • Smart Output Short Protection.
  • Cycle-by-Cycle Current Limiting.
  • Built-in Leading Edge Blanking (LEB).
  • Pin Floating Protection.
  • Built-in Soft Start.
  • Output Over Voltage Protection.
  • VDD OVP & Clamp.
  • VDD Unde.

📥 Download Datasheet

Datasheet Details

Part number SF6771S
Manufacturer SiFirst
File Size 585.85 KB
Description CV/CC Controller
Datasheet download datasheet SF6771S Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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super-QR/PSRTM CV/CC Controller SF6771S FEATURES ◆ Easily Meet EPS Level 6 ◆ Less than 75mW Standby Power ◆ Proprietary super-QR/PSRTM (Quasi- Resonant & Primary Side Regulation) Control for High Efficiency and Low EMI ◆ ±5% CC and CV Precision ◆ Proprietary Cable Drop Compensation ◆ Smart Output Short Protection ◆ Cycle-by-Cycle Current Limiting ◆ Built-in Leading Edge Blanking (LEB) ◆ Pin Floating Protection ◆ Built-in Soft Start ◆ Output Over Voltage Protection ◆ VDD OVP & Clamp ◆ VDD Under Voltage Lockout (UVLO) APPLICATIONS ◆ Battery chargers for cellular phones, cordless phones, PDA, digital cameras, etc ◆ Replaces linear transformer and RCC SMPS ◆ AC/DC LED lighting GENERAL DESCRIPTION SF6771S is a high performance, highly integrated QR (Quasi Resonant Mode) and Primary Side Regu