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SY5002C - Flyback Controller

General Description

SY5002C is a single stage Flyback controller targeting at Constant Current / Constant Voltage (CC/CV) applications.

Both current and voltage regulation are achieved by primary side control technology for low cost application.

Key Features

  • Primary side CV/CC control eliminates the optocoupler.
  • Valley turn-on of the primary MOSFET to achieve low switching losses.
  • Internal CC/CV loop compensation.
  • The self-adaption compensation for better stability.
  • PWM/PFM control for higher average efficiency.
  • Fast dynamic load transient response.
  • Cable compensation for better load regulation.
  • Low start up current: 4µA Max.
  • Reliable protections for OVP, SCP, OTP.

📥 Download Datasheet

Datasheet Details

Part number SY5002C
Manufacturer Silergy
File Size 2.22 MB
Description Flyback Controller
Datasheet download datasheet SY5002C Datasheet

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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Applications Note: SY5002C Flyback Controller With Primary Side CV/CC Control For Adapters and Chargers General Description SY5002C is a single stage Flyback controller targeting at Constant Current / Constant Voltage (CC/CV) applications. Both current and voltage regulation are achieved by primary side control technology for low cost application. To achieve higher efficiency and better EMI performance, SY5002C drives Flyback converters in the Quasi-Resonant mode and adaptive PWM/PFM control. In addition, SY5002C has cable compensation to regulate the output voltage for better load regulation at cable terminal.