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型号	下载订购	功能描述	制造商上传企业	LOGO
UC3843BN	文件：135.57 Kbytes Page：15 Pages	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xB 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 implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta 文件：135.57 Kbytes 页数：15 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3843BN	文件：239.47 Kbytes Page：15 Pages	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xB 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 implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta 文件：239.47 Kbytes 页数：15 Pages	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3843BNG	文件：743.91 Kbytes Page：25 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature a trimmed 文件：743.91 Kbytes 页数：25 Pages	ONSEMI 安森美半导体	ONSEMI
UC3843BNG	文件：414.83 Kbytes Page：22 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These 文件：414.83 Kbytes 页数：22 Pages	ONSEMI 安森美半导体	ONSEMI
UC3843BVD	文件：295.05 Kbytes Page：20 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These 文件：295.05 Kbytes 页数：20 Pages	ONSEMI 安森美半导体	ONSEMI
UC3843BVD	文件：401.91 Kbytes Page：16 Pages	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 文件：401.91 Kbytes 页数：16 Pages	MOTOROLA 摩托罗拉	MOTOROLA
UC3843BVD1	文件：401.91 Kbytes Page：16 Pages	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 文件：401.91 Kbytes 页数：16 Pages	MOTOROLA 摩托罗拉	MOTOROLA
UC3843BVD1G	文件：743.91 Kbytes Page：25 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature a trimmed 文件：743.91 Kbytes 页数：25 Pages	ONSEMI 安森美半导体	ONSEMI
UC3843BVD1G	文件：414.83 Kbytes Page：22 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These 文件：414.83 Kbytes 页数：22 Pages	ONSEMI 安森美半导体	ONSEMI
UC3843BVD1R2G	文件：414.83 Kbytes Page：22 Pages	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−DC converter applications offering the designer a cost−effective solution with minimal external components. These 文件：414.83 Kbytes 页数：22 Pages	ONSEMI 安森美半导体	ONSEMI

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产品属性

产品编号：
UC3843B
制造商：
UTD Semiconductor
类别：
集成电路（IC） > AC DC 转换器，离线开关
包装：
卷带（TR）
输出隔离：
非隔离
内部开关：
是
拓扑：
反激，升压
电压 - 供电 (Vcc/Vdd)：
7.6V ~ 30V
占空比：
97%
频率 - 开关：
50kHz，52kHz
故障保护：
限流，UVLO
控制特性：
频率控制，软启动
工作温度：
0°C ~ 70°C（TA）
封装/外壳：
8-SOIC（0.154"，3.90mm 宽）
供应商器件封装：
8-SOP
安装类型：
表面贴装型
描述：
SOP-8 AC-DC CONTROLLERS \u0026 REGULA

供应商	型号	品牌	批号	封装	库存	备注	价格
深圳市赛尔通科技有限公司	UC3843B	ST	23+	SOP-8	20000		询价
深圳市美思瑞电子科技有限公司	UC3843B	UMW 友台	23+	SOP-8	40000	原装正品，实单请联系	询价
深圳市润联芯城科技有限公司	UC3843B	ST/意法	22+	SOP8	30000	只做原装正品	询价
柒号芯城电子商务(深圳)有限公司	UC3843B	ST	2025+	N/A	70000	柒号只做原装现货价秒杀全网	询价
深圳市旭升微芯科技有限公司	UC3843B	UMW(友台半导体)	24+	SOP-8	7500	加QQ:78517935原装正品有单必成	询价
深圳市坤融电子科技有限公司	UC3843B	ST/意法	2025+	DIP8	756	原装进口价格优请找坤融电子!	询价
深圳市得捷芯城科技有限公司	UC3843B	ST(意法)	25+	N/A	22412	原装正品现货,原厂订货,可支持含税原型号开票。	询价
深圳市高捷芯城科技有限公司	UC3843B	ST(意法)	25+	N/A	22412	原装正品现货,原厂订货,可支持含税原型号开票。	询价
芯有半导体（深圳）有限公司	UC3843B	ONSEMI	00/01+	SOP	561	全新原装100真实现货供应	询价
深圳市毅创腾电子科技有限公司	UC3843B	ST	23+	SO-8	7000	绝对全新原装!100%保质量特价!请放心订购!	询价

更多UC3843B供应商更新时间2026-4-17 14:39:00

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