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型号 功能描述 生产厂家 企业 LOGO 操作
UC3843TD

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384XT family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally imple mented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under vo

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off–line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillat

MOTOROLA

摩托罗拉

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

The UC3842A, UC3843A series of high performance fixed frequency current mode controllers are specifically designed for off–line and dc–to–dc converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillat

MOTOROLA

摩托罗拉

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost–effective solution with minimal external components. Th

MOTOROLA

摩托罗拉

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost–effective solution with minimal external components. Th

MOTOROLA

摩托罗拉

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

High Performance Current Mode Controllers The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off–Line and dc–to–dc converter applications offering the designer a cost–effective solution with minimal external components. Th

MOTOROLA

摩托罗拉

UC3843TD产品属性

  • 类型

    描述

  • 型号

    UC3843TD

  • 制造商

    STMICROELECTRONICS

  • 制造商全称

    STMicroelectronics

  • 功能描述

    HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

更新时间:2026-8-4 15:31:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ST/意法
25+
9
6338
全新原装正品支持含税
ST/意法
2450+
SOP-8
8850
只做原装正品假一赔十为客户做到零风险!!
ICS
24+
SSOP
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
ICS
19+
SSOP
20000
70
ST
2023+
SOP8
50000
全新原装现货
UNIDEN
25+
QFP
90000
一级代理商进口原装现货、价格合理
ICS
22+
SSOP
20000
只做原装
ADI
23+
SOP-8
8000
只做原装现货
ICS
25+23+
SSOP
28071
绝对原装正品现货,全新深圳原装进口现货
ST/意法
23+
SOP-8
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO

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    说明 是固定的UC3842/UC3843/UC3844/UC3845 frequencycurrent模式PWM控制器。他们是专门为离线和直流到直流转换器应用设计以最少的外部元件。这些集成电路功能进行精确修剪占空比振荡器控制,温度补偿的参考,高增益误差放大器,电流检测比较器和一个高当前totempole输出用于驱动功率MOSFET。该与UC3844 UC3842的16V的欠压锁定阈值有(上)和10V(关闭)。 UC3843与UC3845的是8.5V时(ON)和7.9V(关闭)。 UC3842的和UC3843的范围内可以操作100%占空比。 UC3844与UC3845的可以操作

    2013-3-6