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DK913 Datasheet

Manufacturer: Dongke Semiconductor
DK913 datasheet preview

Datasheet Details

Part number DK913
Datasheet DK913-DongKeSemicondutor.pdf
File Size 935.77 KB
Manufacturer Dongke Semiconductor
Description 12W primary-side feedback AC-DC conversion chip
DK913 page 2 DK913 page 3

DK913 Overview

峰值电流和最大输出功率 DK913 主要应用于 12W 原边反馈适配器,充电器,恒压精度可达到+/-3%; 芯片外部通过设定最大峰值电流 Ip,来限制最大输出功率: Pomax= Io Vout 2. 上电启动 芯片内置高压启动电流源;上电后启动电流对外部的 VCC 储能电容充电,当 VCC 电压达到 5.3V 的时候,上电启动过程结束,芯片进入软启动阶段。 3. 软启动 上电启动后, 芯片开始工作在 32kHz ;当输出建立检测 FB 电压大于 1.2V 后,软启动结束。.

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