Datasheet4U Logo Datasheet4U.com

OB3338 Datasheet Low THD Offline LED Controller

Manufacturer: On-Bright

Download the OB3338 datasheet PDF. This datasheet also includes the OB3338-On variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB3338-On-Bright.pdf) that lists specifications for multiple related part numbers.

General Description

OB3338 is a dimmable offline LED lighting controller with high power factor, low THD and high constant current (CC) precision.

It can achieve low system cost for an isolated lighting application by primary side control in a single stage converter.

The proprietary CC control scheme is used and the system can achieve high power factor with constant on-time control scheme.

Overview

OB3338 Dimmable High PF, Low THD Offline LED Controller GENERAL.

Key Features

  • including LED open loop protection, LED short circuit protection, cycle-by-cycle current limiting, built-in leading edge blanking, VDD under voltage lockout (UVLO), etc. OB3338 is offered in SOP8 package.