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型号 功能描述 生产厂家 企业 LOGO 操作
UC3843BDTR

脉冲宽度调制解调器 电流型脉宽调制器

Descriptions The UC3843 is a fixed frequency current mode PWM controllers, It is specifically designed for OffLine and DCDC converter applications. This integrated circuits feature a temperature compensated reference, high gairerror amplifier, current sense comparator, and a high Push

XBLW

芯伯乐

PDF上传者:深圳市博伟奇电子有限公司

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

更新时间:2026-5-18 16:02:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ICS
25+23+
SSOP
28071
绝对原装正品现货,全新深圳原装进口现货
ST
23+
SOP8
16900
正规渠道,只有原装!
UNIDEN
20+
QFP
500
样品可出,优势库存欢迎实单
UNIDEN
24+
QFP
187
ICS
2025+
TSSOP
3720
全新原厂原装产品、公司现货销售
UNIDEN
2026+
TQFP100
12500
全新原装正品,本司专业配单,大单小单都配
UNISEM优势
23+
SOP20-7.2
11200
原厂授权一级代理、全球订货优势渠道、可提供一站式BO
RICHIEK
23+
SOT23-6
5000
原装正品,假一罚十
ST
26+
SOP8
60000
只有原装 可配单
ST
25+
SOP8
20000
原装,请咨询

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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