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UC3842B价格

参考价格：￥1.4661

型号：UC3842BD1 品牌：STMicroelectronics 备注：这里有UC3842B多少钱，2026年最近7天走势，今日出价，今日竞价，UC3842B批发/采购报价，UC3842B行情走势销售排行榜，UC3842B报价。

型号	功能描述	生产厂家企业	LOGO
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	MOTOROLA
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	ONSEMI 安森美半导体	ONSEMI
UC3842B	HIGH PERFORMANCE CURRENT MODE CONTROLLERS DESCRIPTION The UTC UC3842B/3843B are specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The UC3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. The UC3843	UTC 友顺	UTC
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	High Performance Current Mode Controller High Performance Current Mode Controller	FCI 富加宜	FCI
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	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	ONSEMI 安森美半导体	ONSEMI
UC3842B	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	ONSEMI 安森美半导体	ONSEMI
UC3842B	Low Start-Up and Operating Current Description The 3842/43/44/45 are fixed frequency current mode PWM controller. They are specially designed for OFF−Line and DC to DC converter applications with a minimal external components. Internally implemented circuits include a trimmed oscillator for precise duty cycle control, a temperat	UMW 友台半导体	UMW
UC3842B	电流模式PWM The UC284xB 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 voltage lockout feat • LOW START-UP AND OPERATING CURRENT \n• UNDERVOLTAGE LOCKOUT WITH HYSTERESIS \n• INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT \n• CURRENT LIMITING \n• TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL \n• CURRENT MODE OPERATION TO 500kHz \n• OSCILLATOR FREQUENCY GUARANTEED AT 250kHz \n• LA;	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842B	封装/外壳：8-SOIC（0.154"，3.90mm 宽）包装：卷带（TR）描述：SOP-8 AC-DC CONTROLLERS \u0026 REGULA 集成电路（IC） AC DC 转换器，离线开关	ETC 知名厂家	ETC
UC3842B	电流型脉宽调制器	HGSEMI 华冠	HGSEMI
UC3842B	AC/DC Switching regulators	UTC 友顺	UTC
UC3842B	HIGH PERFORMANCE CURRENT MODE CONTROLLERS 文件：518.13 Kbytes Page：11 Pages	UTC 友顺	UTC
UC3842B_V01	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	ONSEMI 安森美半导体	ONSEMI
UC3842BD	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	MOTOROLA
UC3842BD1	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	MOTOROLA
UC3842BD1	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BD1	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BD1	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BD1G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BD1G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BD1R2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BD1R2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BDG	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	ONSEMI 安森美半导体	ONSEMI
UC3842BDG	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	ONSEMI 安森美半导体	ONSEMI
UC3842BDR2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BDR2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BN	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BN	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	MOTOROLA
UC3842BN	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BN	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	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3842BN1	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	ONSEMI 安森美半导体	ONSEMI
UC3842BNG	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	ONSEMI 安森美半导体	ONSEMI
UC3842BNG	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVD	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	MOTOROLA
UC3842BVD1	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	MOTOROLA
UC3842BVD1G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVD1G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVD1R2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVD1R2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVDR2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVDR2G	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	ONSEMI 安森美半导体	ONSEMI
UC3842BVN	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	MOTOROLA
UC3842B_07	High Performance Current Mode Controllers 文件：370.48 Kbytes Page：21 Pages	ONSEMI 安森美半导体	ONSEMI
UC3842B_08	HIGH PERFORMANCE CURRENT MODE CONTROLLERS 文件：518.13 Kbytes Page：11 Pages	UTC 友顺	UTC
UC3842B_11	High Performance Current Mode Controllers 文件：411.26 Kbytes Page：22 Pages	ONSEMI 安森美半导体	ONSEMI
UC3842B_12	HIGH PERFORMANCE CURRENT MODE CONTROLLERS 文件：439.84 Kbytes Page：10 Pages	UTC 友顺	UTC
UC3842BD	封装/外壳：14-SOIC（0.154"，3.90mm 宽）功能：升压，升压/降压包装：管件描述：IC REG CTRLR PWM CM 14-SOIC 集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器	ONSEMI 安森美半导体	ONSEMI
UC3842BD	High Performance Current Mode Controllers 文件：370.48 Kbytes Page：21 Pages	ONSEMI 安森美半导体	ONSEMI
UC3842B-D08-T	HIGH PERFORMANCE CURRENT MODE CONTROLLERS 文件：518.13 Kbytes Page：11 Pages	UTC 友顺	UTC
UC3842BD1	High Performance Current Mode Controllers 文件：370.48 Kbytes Page：21 Pages	ONSEMI 安森美半导体	ONSEMI
UC3842BD1G	High Performance Current Mode Controllers 文件：370.48 Kbytes Page：21 Pages	ONSEMI 安森美半导体	ONSEMI

UC3842B产品属性

类型
描述
Pb-free：
Pb
Halide free：
H
Status：
Active
Topology：
Flyback
Control Mode：
Current Mode
fsw Typ (kHz)：
52
Stand-by Mode：
No
UVLO (V)：
Yes
Short Circuit Protection：
Yes
Latch：
No
Soft Start：
No
VCC Max (V)：
30
Drive Cap. (mA)：
200/200
Package Type：
PDIP-8

UC3842B供应商更多...

更新时间：2026-5-13 23:00:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
深圳市高捷芯城科技有限公司	UC3842BD1R2	ON(安森美)	24+	标准封装	12248	支持大陆交货,美金交易。原装现货库存。	询价
深圳市凌旭科技有限公司	UC3842B	ST	2016+	DIP8	14691	只做原装,假一罚十,公司可开17%增值税发票!	询价
深圳市华睿芯科技有限公司	UC3842B	ST/ON	24+	SOP8	20000	全新原厂原装，进口正品现货，正规渠道可含税！！	询价
中天科工半导体（深圳）有限公司	UC3842BN	TI/德州仪器	25+	DIP-8	36000	TI/德州仪器全新特价UC3842BN即刻询购立享优惠#长期有货	询价
深圳市威雅利发展有限公司	UC3842B	STM	10+	DIP8	50	一级代理,专注军工、汽车、医疗、工业、新能源、电力	询价
深圳市益百分电子有限公司	UC3842B	ST	05+	DIP8	350	全新原装进口自己库存优势	询价
深圳市恒凯威科技开发有限公司	UC3842B	ST	21+	DIP-8	10000	只做原装,质量保证	询价
深圳市富利微电子科技有限公司	UC3842B	ST	25+	DIP-8	30000	原装正品公司现货,假一赔十!	询价
深圳市佳鑫美电子科技有限公司	UC3842BVD1G	ON	25+	SOP-8	4500	原装正品!现货热卖!	询价
上海鑫科润电子科技有限公司	UC3842B	ST	9948	DIP-8	5120	原装现货海量库存欢迎咨询	询价

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找IC，尽在114IC

UC3842B价格

UC3842B产品属性

UC3842B供应商更多...

UC3842B芯片相关品牌

UC3842B规格书下载地址

UC3842B参数引脚图相关

UC3842B数据表相关新闻

UC382TDKTTT-2 低压差稳压器

UC3843AP-SOP8R-TW0G_UTC代理商

UC3842AN

UC3842AD1原装现货

UC3842BD1013TR原装现货

UC3842BD1R2G原装现货

DdatasheetPDF页码索引