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DP2532 - High Precision CC/CV Primary-Side PWM Controller

General Description

DP2532 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.

Key Features

  • including Cycle-by-Cycle current limiting, VDD Over Voltage Protection (VDD OVP), short circuit protection, built-in leading edge blanking, VDD under voltage lockout (UVLO), OTP, etc. High precision constant voltage (CV) and constant current (CC) can be achieved by DP2532. DP2532 is offered in SOT23-6 package.

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Datasheet Details

Part number DP2532
Manufacturer DEPP Microelectronics
File Size 414.53 KB
Description High Precision CC/CV Primary-Side PWM Controller
Datasheet download datasheet DP2532 Datasheet

Full PDF Text Transcription (Reference)

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DP2532 High Precision CC/CV Primary-Side PWM Controller GENERAL DESCRIPTION DP2532 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. 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 Compensation.