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OB3636A - Low THD Offline CV Controller

Download the OB3636A datasheet PDF. This datasheet also covers the OB3636A-On variant, as both devices belong to the same low thd offline cv controller family and are provided as variant models within a single manufacturer datasheet.

General Description

OB3636A is a flyback controller with high power factor, low THD and high constant voltage (CV) precision.

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

Key Features

  • High precision constant voltage regulation.
  • Primary-side sensing and regulation without TL431 and opto-coupler.
  • High PF (>0.9).
  • Low THD (.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB3636A-On-Bright.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number OB3636A
Manufacturer On-Bright
File Size 236.64 KB
Description Low THD Offline CV Controller
Datasheet download datasheet OB3636A 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.

View original datasheet text
OB3636A High PF, Low THD Offline CV Controller GENERAL DESCRIPTION OB3636A is a flyback controller with high power factor, low THD and high constant voltage (CV) precision. It can achieve low system cost for an isolated application by primary side control in a single stage converter. It significantly simplifies the CV system design by eliminating the secondary side feedback components and the opto-coupler. The proprietary CV control scheme is used and the system can achieve high power factor with constant on-time control scheme. Quasi-resonant (QR) operation and clamping frequency greatly improves the system efficiency. The advanced start-up technology is used to meet the fast start-up time requirement.