SW2604 datasheet(1/6 Pages) ETC2

Part #	SW2604

Description	High performance current mode PWM switching power supply controller

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Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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SW2604

SAMWIN 绿色电源的最佳选择 HTTP://WWW.SEMIPOWER.COM.CN

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SW2604-CN-02

高性能电流模式 PWM 开关电源控制器

概述

SW2604采用双极工艺制造、内建防过载、防饱和电路,能满足绿色环保标准的开关电源控制器;为提高

电路性能参数的一致性,对内部基准电压进行了特别设计,以提高内部基准电压的精度。采用宽电源

(85--265)设计,典型输出功率12W,最高输出功率可达15W,峰值输出功率18W。广泛使用于经济型开关电源,

如DVD、机顶盒、传真机、打印机、LCD显示器等。

特点



内建防过载、饱和电路,能及时防范过载、开关变压器饱和、输出短路等故障



采用700V耐压的双极型三极管作为开关管;同时利用其放大作用完成启动,并使启动电阻的功耗减小

10倍以上



开关管内置,减少成本,提高电路性价比



内置斜坡补偿电路、热保护电路、斜坡电流驱动电路



内置热保护电路



低启动和工作电流



VCC过压自动限制



无输出功耗小于0.15W



极少的外围元器件



封装形式:DIP8

应用

引脚图



中小功率AC/DC开关电源



充电器、外置电源盒



DVD、DVB电源



小功率适配器



PC、TV 等电器的辅助电源



线性调节器/替代RCC 变换器

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SW2604 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

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