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OB3341S - Buck LED Driver

Download the OB3341S datasheet PDF. This datasheet also covers the OB3341S-On variant, as both devices belong to the same buck led driver family and are provided as variant models within a single manufacturer datasheet.

General Description

The OB3341S is a high power factor, monolithic Buck regulator with advanced

Key Features

  • to provide high efficiency control and high accuracy constant current output for LED lighting.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB3341S-On-Bright.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for OB3341S (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for OB3341S. For precise diagrams, and layout, please refer to the original PDF.

On-Bright confidential to ... OB3341S Buck LED Driver with High PF GENERAL DESCRIPTION The OB3341S is a high power factor, monolithic Buck regulator with advanced feature...

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s a high power factor, monolithic Buck regulator with advanced features to provide high efficiency control and high accuracy constant current output for LED lighting applications. OB3341S integrates a 2A MOSFET to decrease physical volume. It adopts constant on time control for power factor correction (PFC), zero current detectors (ZCD) to ensure quasi-resonant valley turn-on for high efficiency operation. OB3341S offers good protection coverage including VCC under voltage lockout (UVLO), VCC over voltage protection, cycle-by-cycle current limiting, over temperature protection, COMP pin floating protection and LED open/sho