OB2353 datasheet, PDF - EEWORLD Datasheet

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OB2353: DescriptionMOSFET; File Size426KB，8 Pages; ManufacturerTiger Electronic Co.,Ltd.; Websitehttp://www.tgselec.com/

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OB2353 Overview

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TIGER ELECTRONIC CO.,LTD

内 ½ 高压 MOSFET的电流模式 PWM控制器系列

ＯＢ２３５３/２３５４/２３５５/２３５８

概述：

ＯＢ２３５３/ ２３５４/ ２３５５/ ２３５８

是用于开关电源的

内 ½ 高压 M O S F E T 电流模式 PW M 控制器系列产品。

该电路待机功耗½，启动电流½。在待机模式

下，电路进入间歇工½模式，从而有效地降½电路

的待机功耗。

电路的开关频率为 65 KHz ，抖动的振荡频率，

可以获得较 ½ 的 E MI。内 ½ 4 m s ½ 启动电路，可

以减小在上电过程中变压器的应力，防止变压器饱和。电路内部集成了各种异常状态

保护功½。包括欠压锁定，过压保护，过流保护等功½。在电路发生保护以后，电路

可以不断自动重启，直到系统正常为止。

OB2353/2354/2355/2358采

用 DIP8的封装 ½ 式封装。

DIP8-300-2.54

主要特点：

内部集成高压 MOSFET

½ 启动电流（ 5 μ A ）和工 ½ 电流（ 1. 5mA ）

内½同步斜坡补偿

实现 2 0W 以下 “ N o Y- CAP” 系统设计

内 ½ 频率抖动可以降 ½ EMI

过流、过压保护

欠压锁定及自动重启

内部½启动电路

间歇工 ½ 模式 ( B u r s t Mo de)

逐周期限流模式

应用：

●

DVD/DVB/机

顶盒电源

电脑

/服

务器

/液

晶电视待机电源

●

线性电源替代

½色家电电源

绍兴芯谷科技有限公司

www. Silicore. com. cn

1/8

CHMC

OB2353 Related Products

	OB2353	OB2354	OB2355	OB2358
Description	MOSFET	MOSFET	MOSFET	MOSFET

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