GENERAL DESCRIPTION
DP2525x is a high performance Quasi Resonant (QR) Primary Side Regulation (PSR) PWM powerswitch with high precision CV/CC control ideal for charger applications.In CV mode,
DP2525x adopts Multi Mode QR Control which uses the hybrid of AM (Amplitude Modulation) mode and (Frequency Modulation) FM mode to improve system efficiency and reliability. In CC mode, the IC uses PFM control with line and load CC compensation. The IC can achieve fast dynamic response. The built-in Cable Drop Compensation (CDC) function canprovide
excellent CV performance.
DP2525x integrates functions and protections of Under Voltage Lockout (UVLO), VDD over Voltage Protection (VDD OVP), Cycle-by-cycle Current Limiting (OCP), Short Load Protection (SLP), OnChip Thermal Shutdown, VDD Clamping, etc.

FEATURES
Low Cost Solution Built-in 800V power BJT
Quasi-Resonant Primary Side Regulation
(QR-PSR) Control with High Efficiency
Multi-Mode PSR Control
Fast Dynamic Response
Built-in Dynamic Base Drive
Audio Noise Free Operation
±4% CC and CV Regulation
Low Standby Power <70mW
Programmable Cable Drop Compensation
(CDC) in CV Mode
Built-in AC Line & Load CC Compensation
Build in Protections:
Short Load Protection (SLP)
Cycle-by-Cycle Current Limiting
Leading Edge Blanking (LEB)
Pin Floating Protection
VDD OVP & UVP & Clamp
Over temperature protection(OTP)
Available with DP2525A Versions in SOP-
7/DIP7 Package
APPLICATIONS
Battery Chargers for Cellular Phones
AC/DC Power Adapter and LED Lightings

产品名称：德普微DP2539M电源芯片
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