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DK5320

DK5320 is step-down AC-DC constant voltage conversion chip manufactured by Dongke Semiconductor.
DK5320 datasheet preview

DK5320 Datasheet

Part number DK5320
Datasheet DK5320 Datasheet PDF (Download)
File Size 647.60 KB
Manufacturer Dongke Semiconductor
Description step-down AC-DC constant voltage conversion chip
DK5320 page 2 DK5320 page 3

DK5320 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 DK5320 内置一个 650V 高压启动单元,系统上电后该单元开始工作,从 Drain 端取电对 VCC 电容充 电,当 VCC 电压达到 VCC_ON(典型值 3.5V)芯片开始工作并关闭该单元。VCC 引脚内置箝位电路,有效箝 位 VCC 电压。芯片正常工作后,直接由输出电压继续供电,所以芯片待机功耗极低,且无需辅助绕组供 电。 2. 软启动 DK5320 具有软启动功能,在电路启动时可以缓冲 MOSFET 上的开关应力,会逐段增大开关频率, 每一次重启都会伴随一次软启动的发生。.

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