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DP2540A

DEVELOPER MICROELECTRONICS
Part Number DP2540A
Manufacturer DEVELOPER MICROELECTRONICS
Description High Precision CC/CV Primary-Side PWM Power Switch
Published Oct 31, 2018
Detailed Description DP2540A High Precision CC/CV Primary-Side PWM Power Switch GENERAL DESCRIPTION DP2540A is a high performance offline PW...
Datasheet PDF File DP2540A PDF File

DP2540A
DP2540A

Overview
DP2540A High Precision CC/CV Primary-Side PWM Power Switch GENERAL DESCRIPTION DP2540A is a high performance offline PWM 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.
High Precision Constant Voltage (CV) and Constant Current (CC) control are 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 ...


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