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LZC6100 - Critical Conduction Mode PFC Controller

General Description

The LZC6100 is an active power factor correction (PFC) controller with boost topology operates in quasi-resonant mode (QRM).

Key Features

  • Very fewer external components.
  • Zero-current detection (ZCD) without extra winding.
  • Internal total harmonic distortion (THD) optimizer.
  • Low operating current and power supply from HV pin directly without extra auxiliary winding.
  • Boost quasi-resonant converter controller for adaptors or high brightness LEDs.
  • Supports high power factor (PF>0.9) and low THD.
  • High precision constant voltage regulation for universal AC input (85VAC~265VA.

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Datasheet Details

Part number LZC6100
Manufacturer LOZEN TECHNOLOGY
File Size 474.26 KB
Description Critical Conduction Mode PFC Controller
Datasheet download datasheet LZC6100 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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LZC6100 Critical Conduction Mode PFC Controller General Description The LZC6100 is an active power factor correction (PFC) controller with boost topology operates in quasi-resonant mode (QRM). It uses voltage mode PWM control method that compares an internal sawtooth signal with output signal of the error amplifier to generate an external power MOSFET turn-off signal. LZC6100 introduce 500V start-up and novel power supply circuit (patent pending) for VCC without extra axillary winding.