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UC3844价格

参考价格：￥3.7183

型号：UC3844AD 品牌：Microsemi 备注：这里有UC3844多少钱，2026年最近7天走势，今日出价，今日竞价，UC3844批发/采购报价，UC3844行情走势销售排行榜，UC3844报价。

型号	功能描述	生产厂家企业	LOGO
UC3844D8	丝印代码：UC3844；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844D8.A	丝印代码：UC3844；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844D8TR	丝印代码：UC3844；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844D8TR.A	丝印代码：UC3844；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844	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
UC3844	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
UC3844	UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844	电流型脉宽调制器电流型脉宽调制器，工作电压（Vcc）(v)30V，频率Freq ((Hz) 500khz，功耗 PD(Typ)1W	XBLW 芯伯乐	XBLW
UC3844	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS DESCRIPTION The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count. The differences between UC3844 and UC3845 are the maximum duty cycle ranges and under-volt	UTC 友顺	UTC
UC3844	SMPS Controller Description The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a tempe	FAIRCHILD 仙童半导体	FAIRCHILD
UC3844	CURRENTMODE PWM CONTROLLER DESCRIPTION TheUC3842/3/4/5family of controlICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes witha minimal external parts count. ■ OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS ■ LOW START-UP CURRENT (	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844	HIGH PERFORMANCE CURRENT MODE CONTROLLERS High Performance Current Mode Controllers The UC3844, UC3845 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. Thes	MOTOROLA 摩托罗拉	MOTOROLA
UC3844	丝印代码：3844；HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3844, UC3845 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. These integrated circuits feature an oscillator	ONSEMI 安森美半导体	ONSEMI
UC3844	Current Mode PWM Controller 文件：433.97 Kbytes Page：8 Pages	TI 德州仪器	TI
UC3844	Current Mode PWM Controller 文件：937.89 Kbytes Page：3 Pages	TI 德州仪器	TI
UC3844	CURRENT MODE PWM CONTROLLER 文件：708.83 Kbytes Page：28 Pages	TI 德州仪器	TI
UC3844	SMPS Controller 文件：133.07 Kbytes Page：12 Pages	FAIRCHILD 仙童半导体	FAIRCHILD
UC3844	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS 文件：298.44 Kbytes Page：7 Pages	UTC 友顺	UTC
UC3844	CURRENT MODE PWM CONTROLLER 文件：693.83 Kbytes Page：28 Pages	TI 德州仪器	TI
UC3844	Current-Mode PWM Controllers 文件：3.54454 Mbytes Page：56 Pages	TI 德州仪器	TI
UC3844	CURRENT MODE PWM CONTROLLER 文件：720.15 Kbytes Page：24 Pages	TI 德州仪器	TI
UC3844	AC/DC Switching Regulators	UTC 友顺	UTC
UC3844	开关电源	GMIC	GMIC
UC3844D	丝印代码：UC3844D；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844D.A	丝印代码：UC3844D；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844DTR	丝印代码：UC3844D；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844DTR.A	丝印代码：UC3844D；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844DTRG4	丝印代码：UC3844D；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844N	丝印代码：UC3844N；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844N.A	丝印代码：UC3844N；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844NG4	丝印代码：UC3844N；UCx84x Current-Mode PWM Controllers 1 Features • Optimized for off-line and DC-to-DC converters • Low start-up current (	TI 德州仪器	TI
UC3844A	High Performance Current Mode Controller The UC3844A 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. This integrated circuit features an oscillator, a temperature	FCI 富加宜	FCI
UC3844A	CURRENT MODE PWM CONTROLLER DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin	MICROSEMI 美高森美	MICROSEMI
UC3844A	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA 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
UC3844A	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844A-BW	Current Mode PWM Controller Low Start-Up and Operating Current DESCRIPTION The UC3842A-BW/43A-BW/44A-BW/45A-BW 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 con	FCI 富加宜	FCI
UC3844AD	CURRENT MODE PWM CONTROLLER DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin	MICROSEMI 美高森美	MICROSEMI
UC3844AD1	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER 1 FEATURES ■ TRIMMED OSCILLATOR DISCHARGE CURRENT ■ CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION ■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING ■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT ■ HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844AD1	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA 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
UC3844AD1	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844ADM	CURRENT MODE PWM CONTROLLER DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin	MICROSEMI 美高森美	MICROSEMI
UC3844AM	CURRENT MODE PWM CONTROLLER DESCRIPTION The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limitin	MICROSEMI 美高森美	MICROSEMI
UC3844AN	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER 1 FEATURES ■ TRIMMED OSCILLATOR DISCHARGE CURRENT ■ CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION ■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING ■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT ■ HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844AN	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequencycurrent mode control schemes with a minimal external parts count. Internally implemented circuits includea trimmed oscillator for precise DUTY CYCLE CONTROL under voltage	STMICROELECTRONICS 意法半导体	STMICROELECTRONICS
UC3844AN	HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER DESCRIPTION The UC384xA 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
UC3844B	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
UC3844B	High Performance Current Mode Controllers The UC3844B, UC3845B 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 an oscillator,	ONSEMI 安森美半导体	ONSEMI
UC3844B	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
UC3844B	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
UC3844B	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
UC3844B	High Performance Current Mode Controllers The UC3844B, UC3845B 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 an oscillator,	ONSEMI 安森美半导体	ONSEMI
UC3844B	HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3844B, UC3845B 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. These integrated circuits feature an oscillat	MOTOROLA 摩托罗拉	MOTOROLA
UC3844B	HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3844B, UC3845B 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 an oscillator,	ONSEMI 安森美半导体	ONSEMI
UC3844B	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
UC3844B	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
UC3844B	High Performance Current Mode Controllers The UC3844B, UC3845B 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 an oscillator,	ONSEMI 安森美半导体	ONSEMI
UC3844B	High Performance Current Mode Controllers The UC3844B, UC3845B 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 an oscillator,	ONSEMI 安森美半导体	ONSEMI
UC3844B	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
UC3844B	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
UC3844B	High Performance Current Mode Controllers High Performance Current Mode Controllers The UC3844B, UC3845B 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

UC3844产品属性

类型
描述
Duty cycle (Max) (%)：
50
Supply voltage (Max) (V)：
28
UVLO thresholds on/off (V)：
16/10
Features：
Adjustable Switching Frequency
Operating temperature range (C)：
0 to 70
Rating：
Catalog
Frequency (Max) (kHz)：
500
Gate drive (Typ) (A)：
1

UC3844供应商更多...

更新时间：2026-5-17 16:42:00

IC供应商	芯片型号	品牌	批号	封装	库存	备注	价格
深圳市胜彬电子有限公司	UC3844D8TR	TI/德州仪器	22+	SOP-8	9000	原装正品,支持实单!	询价
深圳市高捷芯城科技有限公司	UC3844D8TR	TI(德州仪器)	24+	SOP-8	16316	正规渠道,免费送样。支持账期,BOM一站式配齐	询价
深圳市中联芯电子有限公司	UC3844D8TR	TI	25+	SOP-8	5000	市场最低原装现货假一罚百可开原型号	询价
深圳市昌和盛利电子有限公司	UC3844D8TR	TI/TEXAS	26+	原厂封装	8931	代理全系列销售, 全新原装正品,价格优势,长期供应,量大可订	询价
深圳市亿联芯电子科技有限公司	UC3844D8TR	TI/德州仪器	2023+	SOP-8	53839	原厂全新正品旗舰店优势现货	询价
深圳市百诺芯科技有限公司	UC3844D8TR	TI	23+	SOP-8	23960	代理渠道,价格优势,有挂就有	询价
深圳市纳艾斯科技有限公司	UC3844D8TR	TI	24+	SOP-8	80000	只做自己库存全新原装进口正品假一赔百可开13%增	询价
深圳诚思涵科技有限公司	UC3844D8TR	TI	23+	SOP-8	5000	全新原装,支持实单,非诚勿扰	询价
君宇国际实业有限公司	UC3844D8TR	TI	16+	SOIC	10000	原装正品	询价
深圳市华睿芯科技有限公司	UC3844D8TR	TI	24+	SOP8	20000	全新原厂原装，进口正品现货，正规渠道可含税！！	询价

UC3844芯片相关品牌

UC3844规格书下载地址

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UC3844BVD1R2G
MC14069UBDR2G 74ACT14SCX MM74HC14MTCX UC3844BVD1R2G
2023-5-17
UC3843AP-SOP8R-TW0G_UTC代理商
UC3843AP-SOP8R-TW0G_UTC代理商
2023-2-10
UC3844BVD1R2G
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2022-6-7
UC3842BD1R2G原装现货
UC3842BD1R2G原装现货
2019-10-29
UC3844BNG公司原装现货
UC3844BNG公司原装现货
2019-10-28
UC3843D1-开关电源控制器
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

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找IC，尽在114IC

UC3844价格

UC3844产品属性

UC3844供应商更多...

UC3844芯片相关品牌

UC3844规格书下载地址

UC3844参数引脚图相关

UC3844数据表相关新闻

UC3844BVD1R2G

UC3843AP-SOP8R-TW0G_UTC代理商

UC3844BVD1R2G

UC3842BD1R2G原装现货

UC3844BNG公司原装现货

UC3843D1-开关电源控制器

DdatasheetPDF页码索引