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SY50133 - Flyback Regulator

Description

SY50133 is a single stage Flyback controller targeting at Constant Current/Constant Voltage (CC/CV) applications.

It integrates a 600V MOSFET to decrease physical volume.

Both the output current and voltage are sensed by primary side signal process.

Features

  • Very tight PSR CC/CV regulation over entire operating range.
  • QR-mode operation for high efficiency.
  • PWM/PFM control for higher average efficiency.
  • Internal CC/CV loop compensation.
  • The self-adaption compensation for better stability.
  • Fast dynamic load transient response.
  • Cable compensation for better load regulation.
  • Low start up current: 4µA Max.
  • Reliable protections for OVP, SCP, OTP.
  • Reliable protection.

📥 Download Datasheet

Datasheet Details

Part number SY50133
Manufacturer Silergy
File Size 2.00 MB
Description Flyback Regulator
Datasheet download datasheet SY50133 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.

View original datasheet text
www.szyucan.com Applications Note: SY50133 Flyback Regulator With Primary Side CV/CC Control For Adapters and Chargers Preliminary Specification General Description SY50133 is a single stage Flyback controller targeting at Constant Current/Constant Voltage (CC/CV) applications. It integrates a 600V MOSFET to decrease physical volume. Both the output current and voltage are sensed by primary side signal process. SY50133 operates quasi-resonant mode and adaptive PWM/PFM control for highest average efficiency. In addition, SY50133 has cable compensation to regulate the output voltage for better load regulation at cable terminal.
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