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OB2530N

On-Bright Electronics
Part Number OB2530N
Manufacturer On-Bright Electronics
Description High Precision CC/CV Primary-Side Power Switch
Published Mar 30, 2017
Detailed Description OB2530N High Precision CC/CV Primary-Side Power Switch GENERAL DESCRIPTION OB2530N is a high performance offline PSR po...
Datasheet PDF File OB2530N PDF File

OB2530N
OB2530N

Overview
OB2530N High Precision CC/CV Primary-Side Power Switch GENERAL DESCRIPTION OB2530N is a high performance offline PSR power switch 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 at large load condition and it operates in PWM with frequency reduction at light/medium load.
The chip consumes very low operation current.
It achieves less than 75mW standby power to meet strict standby power standard.
OB2530N offers comprehensive protectio...


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