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LC5523D Datasheet Single-stage Power Factor Corrected Off-line Switching Regulator Ic

Manufacturer: Sanken

Overview: LC5523D Single-Stage Power Factor Corrected Off-Line Switching Regulator.

Datasheet Details

Part number LC5523D
Manufacturer Sanken
File Size 327.53 KB
Description Single-Stage Power Factor Corrected Off-Line Switching Regulator IC
Datasheet LC5523D-SANKEN.pdf

General Description

The LC5500 series is the power IC for the LED driver which has an incorporated power MOSFET, designed for input capacitorless applications, and making it possible for systems to comply with the harmonics standard (IEC610003-2 class C).

The controller adapts the average current control method for realizing high power factors, and the quasi-resonant topology contributes to high efficiency and low EMI noise.

The rich set of protection

Key Features

  • Integrated on-time control circuit (it realizes high power factor by average current control).
  • Integrated startup circuit (no external startup circuit necessary).
  • Integrated soft-start circuit (reduces power stress during start-up on the incorporated power MOSFET and output rectifier).
  • Integrated bias assist circuit (improves startup performance, suppresses VCC voltage droop during operation, and allows use of low-rated ceramic capacitor on VCC pin).

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LC5523D Distributor