Datasheet4U Logo Datasheet4U.com

iW3623 - AC/DC Digital Power Controller

Datasheet Summary

Description

The iW3623 is a high-performance AC/DC off-line power supply controller for LED luminaires.

The iW3623 combines power factor correction and LED current regulation into one controller.

277VAC input voltage range.

Features

  • Isolated AC/DC off-line LED driver.
  • Power factor > 0.95 for wide input voltage range 100.
  • 277VAC.
  • Total harmonic distortion (THD) < 10%.
  • Under 5% 100Hz/120Hz output current ripple.
  • Resonant control to achieve high efficiency.
  • LED current foldback with external NTC.
  • Small size design xx Small size input bulk capacitor xx Small size output capacitor xx Small transformer.
  • Primary-side sensing eliminates the ne.

📥 Download Datasheet

Datasheet preview – iW3623

Datasheet Details

Part number iW3623
Manufacturer iWatt
File Size 737.79 KB
Description AC/DC Digital Power Controller
Datasheet download datasheet iW3623 Datasheet
Additional preview pages of the iW3623 datasheet.

📁 Similar Datasheet

  • iW3623 - AC/DC Digital Power Controller (Dialog Semiconductor)
  • iW3620 - Digital PWM Current-Mode Controller (Renesas)
  • iW3622 - Off-Line Digital Power Controller (Dialog Semiconductor)
  • iW3625 - Off-Line Digital Power Controller (Dialog Semiconductor)
  • iW3626 - Off-Line Digital Power Controller (Dialog Semiconductor)
  • iW3627 - Off-Line Digital Constant-Voltage LED Driver (Dialog Semiconductor)
  • iW3628 - Off-Line Digital Power Controller (Dialog Semiconductor)
  • iW3629 - Digital Off-Line LED Driver (Dialog Semiconductor)
  • iW3600 - AC/DC Digital Power Controller (Dialog Semiconductor)
  • iW3602 - AC/DC Digital Power Controller (Renesas)
Other Datasheets by iWatt
  • IW3620 - Digital PWM Current-Mode Controller
  • iW3626 - Off-Line Digital Power Controller
  • iW3609 - AC/DC Digital Power Controller
  • iW3610 - AC/DC Digital Power Controller
  • IW3612 - AC/DC Digital Power Controller
  • IW3614 - AC/DC Digital Power Controller
  • iW3616 - AC/DC Digital Power Controller
  • iW3617 - AC/DC Digital Power Controller

Full PDF Text Transcription

Click to expand full text
iW3623 AC/DC Digital Power Controller for High Power Factor Off-Line LED Drivers 1.0 Features ●● Isolated AC/DC off-line LED driver ●● Power factor > 0.95 for wide input voltage range 100 – 277VAC ●● Total harmonic distortion (THD) < 10% ●● Under 5% 100Hz/120Hz output current ripple ●● Resonant control to achieve high efficiency ●● LED current foldback with external NTC ●● Small size design xx Small size input bulk capacitor xx Small size output capacitor xx Small transformer ●● Primary-side sensing eliminates the need for opto-isolator feedback and simplifies design ●● Tight LED current regulation ± 5% ●● Under 0.
Published: |