OB2283K - High Performance Current Mode PWM Controller

Product Overview

On-Bright Electronics

Datasheet Details

Part number	OB2283K
Manufacturer	On-Bright Electronics
File Size	638.02 KB
Description	High Performance Current Mode PWM Controller
Datasheet	OB2283K Datasheet
Additional preview pages of the OB2283K datasheet.

OB2283K Product details

Description

OB2283K is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.

PWM switching frequency at normal operation is internally fixed and is trimmed to tight range.

Features

Power on Soft Start Reducing MOSFET Vds Stress.
Frequency shuffling for EMI.
Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
Ultra Low Operating Current at Light Load (0.6mA).
Audio Noise Free Operation.
Normal 65KHz Switching Frequency.
Frequency Triple for peak load(195Khz).
Adjustable Overload Protection (OLP) delay time.
Comprehensive Protection Coverage o VCC Under Voltage Lockout with Hysteresis (UVLO) o Cy.

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Published: Nov 3, 2025 |