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OB2532

On-Bright Electronics
Part Number OB2532
Manufacturer On-Bright Electronics
Description High Precision CC/CV Primary-Side PWM Controller
Published Apr 25, 2017
Detailed Description On-Bright Confidential to Lycon OB2532 High Precision CC/CV Primary-Side PWM Controller Product Specification GENERAL ...
Datasheet PDF File OB2532 PDF File

OB2532
OB2532

Overview
On-Bright Confidential to Lycon OB2532 High Precision CC/CV Primary-Side PWM Controller Product Specification GENERAL DESCRIPTION OB2532 is a high performance offline PWM controller for low power AC/DC charger and adapter applications.
It operates in primary-side sensing and regulation.
Consequently, opto-coupler and TL431 could be eliminated.
Proprietary Constant Voltage (CV) and Constant Current (CC) control is integrated as shown in the figure below.
In CC control, the current and output power setting can be adjusted externally by the sense resistor Rs at CS pin.
In CV control, multi-mode operations are utilized to achieve high performance and high efficiency.
In addition, good load regulation is achieved by the built-in cable drop compensation.
Device operates in PFM in CC mode as well at large load condition and it operates in PWM with frequency reduction at light/medium load.
OB2532 offers power on soft start control and protection coverage with auto-recovery features including...


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