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DK225MD

Manufacturer: Dongke Semiconductor

DK225MD datasheet by Dongke Semiconductor.

DK225MD datasheet preview

DK225MD Datasheet Details

Part number DK225MD
Datasheet DK225MD-DongKeSemicondutor.pdf
File Size 547.35 KB
Manufacturer Dongke Semiconductor
Description 30W high performance AC/DC conversion
DK225MD page 2 DK225MD page 3

DK225MD Overview

YY:年份代码;XX:批次代码; G:芯片版本代码; Z:内部代码; 2. 启动 DK225MD 具备极低的启动电流,内置高压启动电路,满足启动要求的同时,减小损耗。对于大部 分的 AC/DC 方案,配合合适 VDD 电容,可使整个系统在全电压范围(85VAC 265VAC)内实现快速启动。 DK225MD 的工作电流典型值在 0.83mA 左右,并且在特有的跳频模式控制模式下,可以提高整体效率。 2. 软启动 DK225MD 内置 2mS 软启动电路,在电路启动时可以缓冲 MOSFET 上的开关应力,一旦 VDD 电压达 到 UVLO(OFF)时软启动会被激活,峰值限流电压逐渐从 0 达到 0.8 V,每一次重启都会跟随一次软启动的 发生。.

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