Datasheet4U Logo Datasheet4U.com

iW3623 - AC/DC Digital Power Controller

General 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.

Key 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 Details

Part number iW3623
Manufacturer iWatt
File Size 737.79 KB
Description AC/DC Digital Power Controller
Datasheet download datasheet iW3623 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
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

Other Datasheets by iWatt

Part Number Description
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

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.

View original datasheet 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.