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OB2365E - Adaptive Multi-Mode PWM Controller

This page provides the datasheet information for the OB2365E, a member of the OB2365E-On Adaptive Multi-Mode PWM Controller family.

Datasheet Summary

Description

OB2365E is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.

At normal load condition, it operates in QR mode in high line input voltage.

Features

  • Power on soft start reducing MOSFET Vds stress.
  • Multi-Mode Operation 77KHz maximum clamping frequency in QR mode @ Full Load in high line voltage 65KHz minimum clamping frequency in CCM mode @ Heavy Load in low line voltage Valley switching operation @ Green mode Burst Mode @ Light Load & No Load.
  • Frequency shuffling for EMI.
  • Extended burst mode control for improved efficiency and low standby power design.
  • Audio noise free operation.
  • Comprehensive protection covera.

📥 Download Datasheet

Datasheet preview – OB2365E

Datasheet Details

Part number OB2365E
Manufacturer On-Bright Electronics
File Size 759.39 KB
Description Adaptive Multi-Mode PWM Controller
Datasheet download datasheet OB2365E Datasheet
Additional preview pages of the OB2365E datasheet.

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Full PDF Text Transcription

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OB2365E Adaptive Multi-Mode PWM Controller GENERAL DESCRIPTION OB2365E is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications. At normal load condition, it operates in QR mode in high line input voltage. To minimize switching loss, the maximum switching frequency in QR mode is internally limited to 77 KHz. When the loading goes low, it operates in PFM mode with valley switching for high power conversion efficiency. When the load is very small, the IC operates in ‘Extended Burst Mode’ to minimize the standby power loss. Additionally, in the low line input voltage, the IC operates in fixed frequency (65KHz) CCM mode at the heavy loading.
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