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LZC8620 - PSR & PFC LED Driver Controller

Datasheet Summary

Description

The LZC8620 is a single-power stage, isolated and primary side offline LED lighting regulator which achieves high power factor.

The proprietary real-current control method can control the LED current accurately from the primary side information.

Features

  • of LZC8620 greatly enhance the system reliability and safety. The LZC8620 features VDD and output over voltage protection; output short circuit protection, cycle-by-cycle current limit on CS pin, VDD UVLO and auto-restart and over-temperature protection. The driver output voltage is clamped at 16V to protect the external power MOSFET. Features.
  • Single stage PFC.
  • Primary side regulation without Secondary Feedback.
  • Quasi Resonance (QR) mode with Fly-back topology.
  • Real-Current.

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Datasheet Details

Part number LZC8620
Manufacturer LOZEN TECHNOLOGY
File Size 0.98 MB
Description PSR & PFC LED Driver Controller
Datasheet download datasheet LZC8620 Datasheet
Additional preview pages of the LZC8620 datasheet.

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Full PDF Text Transcription

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LZC8620 PSR & PFC LED Driver Controller General Description The LZC8620 is a single-power stage, isolated and primary side offline LED lighting regulator which achieves high power factor. The proprietary real-current control method can control the LED current accurately from the primary side information. Support flexible current compensation setting in the appointed temperature with a NTC resistor. It can significantly simplify the LED lighting system design by eliminating the secondary side feedback components and the opto-coupler. The LZC8620 integrates active power factor correction and works in Quasi Resonance mode (QRM) in order to reduce the MOSFET switching losses.
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