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iW3637 - Off-line LED Driver Controller

General Description

The iW3637 is a high-performance AC/DC power controller optimized for non-isolated buck or isolated flyback converter applications to step-down a high-voltage DC input to drive LEDs in SSL lighting applications.

Key Features

  • a soft-off function before entering into light-off mode, where the device remains alive with minimal standby power consumption. 2 Features.
  • Supports buck and flyback topologies with input from.
  • Wide VCC operating range from 7.5V to 30V front-end off-line boost converter or rectified AC input.
  • Fast dimming transient response.
  • Enhanced MOSFET driver supports output power up to 150W in an SOIC-8 package.
  • Built-in over-temperature protection with temperaturecurrent derat.

📥 Download Datasheet

Datasheet Details

Part number iW3637
Manufacturer Renesas
File Size 532.33 KB
Description Off-line LED Driver Controller
Datasheet download datasheet iW3637 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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iW3637 Off-line LED Driver Controller Supports Wide Range of PWM Dimming Interfaces 1 Description The iW3637 is a high-performance AC/DC power controller optimized for non-isolated buck or isolated flyback converter applications to step-down a high-voltage DC input to drive LEDs in SSL lighting applications. A converter designed with the iW3637 can work with a DC input voltage from a front-end, off-line boost converter to minimize low frequency output ripple current, and virtually eliminate all flicker in the system. It uses Renesas’ PrimAccurate™ advanced sensing technology to achieve excellent output current regulation without the need for direct voltage or current feedback components.