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DK5710

Manufacturer: Dongke Semiconductor

DK5710 datasheet by Dongke Semiconductor.

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DK5710 Datasheet Details

Part number DK5710
Datasheet DK5710-DongKeSemicondutor.pdf
File Size 586.75 KB
Manufacturer Dongke Semiconductor
Description High performance non-isolated AC to DC conversion chip
DK5710 page 2 DK5710 page 3

DK5710 Overview

YY:年份代码;XX:批次代码; G:芯片版本代码; Z:内部代码; 2. 高压启动 在启动阶段,内部高压启动管提供 3mA 电流对外部 VDD 电容进行充电;当 VDD 电压达到 VDDON, 芯片开始工作,高压启动管停止对 VDD 电容充电。启动过程结束后,输出通过隔离二极管对 VDD 电 容提供能量,供芯片继续工作。 2. 恒压工作模式 芯片通过 FB 管脚对输出进行电压采样,当 FB 电压低于内部基准电压, 芯片开启集成的高压功 率管,对储能电感充电,当电感电流达到内部基准电流 IPEAK,芯片关闭集成的高压功率管,由系统 二极管对储能电感续流。同时芯片集成负载补偿功能,可以提高恒压精度,实现较好的负载调整率。 DK5710 的输出电压由 FB 分压电路调节,计算公式如下: 쳌䁜 ͳ䁜 䁜.

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