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OB2510

On-Bright Electronics
Part Number OB2510
Manufacturer On-Bright Electronics
Description High Precision CC/CV Primary-Side Controller
Published Apr 25, 2017
Detailed Description OB2510 High Precision CC/CV Primary-Side Controller GENERAL DESCRIPTION OB2510 is a high performance offline PSR contro...
Datasheet PDF File OB2510 PDF File

OB2510
OB2510

Overview
OB2510 High Precision CC/CV Primary-Side Controller GENERAL DESCRIPTION OB2510 is a high performance offline PSR 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.
The chip consumes very low operation current, it can achieve less than 100mW standby power.
OB2510 offers comprehensive protection coverage with auto-recovery fea...


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