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OB2216

Part Number	OB2216
Manufacturer	On-Bright
Description	Primary-Side Regulation PWM Power Switch
Published	Feb 8, 2014
Detailed Description	OB2216 Primary-Side Regulation PWM Power Switch GENERAL DESCRIPTION OB2216 is an offline PWM Power switch for low power ...
Datasheet	OB2216 PDF File

Overview

OB2216 Primary-Side Regulation PWM Power Switch GENERAL DESCRIPTION OB2216 is an offline PWM Power switch for low power AC/DC charger and adaptor 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.
Device operates in fixed frequency mode at large load conditions, frequency reduction mode at light/medi...

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