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MT7968 - High Accuracy Dual Winding PSR AC-DC LED Driver

General Description

MT7968 is a PWM controller for AC-DC LED lighting.

With primary side sensing and regulation technology, no secondary side feedback circuit is needed.

Further, the loop compensation components are also eliminated while maintaining system stability.

Key Features

  • Build in 600V power MOSFET.
  • No auxiliary winding needed.
  • Supporting 85V to265V AC line voltage range.
  • Primary side sensing and regulation, no need of secondary side feedback.
  • High precision constant LED current (+/-3%).
  • Adjustable LED open-circuit voltage protection threshold.
  • LED short circuit protection.
  • Cycle-by-cycle peak current control.
  • VDD under voltage lock-out protection.
  • Over temperature protection.
  • Available in DIP8 package MT79.

📥 Download Datasheet

Datasheet Details

Part number MT7968
Manufacturer Maxic Technology
File Size 376.44 KB
Description High Accuracy Dual Winding PSR AC-DC LED Driver
Datasheet download datasheet MT7968 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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MT7968 High Accuracy, Dual Winding PSR AC-DC LED Driver DESCRIPTION MT7968 is a PWM controller for AC-DC LED lighting. With primary side sensing and regulation technology, no secondary side feedback circuit is needed. Further, the loop compensation components are also eliminated while maintaining system stability. Integrated with 600V power switch and adjustable LED open-circuit protection (OVP) function simplifies the system design and improves the reliablity. With Maxic’s proprietary current regulation technique, the MT7968 achieves ±3% accuracy of LED current along with excellent line regulation and load regulation.