UC3844A价格
参考价格：￥3.7183
型号：UC3844AD 品牌：Microsemi 备注：这里有UC3844A多少钱，2026年最近7天走势，今日出价，今日竞价，UC3844A批发/采购报价，UC3844A行情走势销售排行榜，UC3844A报价。| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
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 |   | |
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 | | |
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 | | |
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 | | |
UC3844A | 具有 16V/10V UVLO 50% 占空比、温度范围为 0°C 至 70°C 的 30V、1A、500KHz 电流模式 PWM 控制器 The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discha • Optimized for Off-Line and DC-DC Converters\n• Low Start-Up Current (WEBENCH® Power Designer; | TI 德州仪器 | | |
UC3844A | Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | |
UC3844A | Power Managemant | FCI 富加宜 | | |
UC3844A | Current Mode PWM Controller 文件：517.22 Kbytes Page：7 Pages | TI 德州仪器 | | |
UC3844A | Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | |
UC3844A | Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | |
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 | | ||
Flyback, Forward and Isolated ROHS | MICROCHIP 微芯科技 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
封装/外壳：14-SOIC（0.154"，3.90mm 宽） 功能：升压，降压，升压/降压 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC REG CTRLR PWM CM 14SOIC 集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器 | TI 德州仪器 | | ||
封装/外壳：14-SOIC（0.154"，3.90mm 宽） 功能：升压，降压 包装：卷带（TR） 描述：IC REG CTRLR PWM CM 14-SOIC 集成电路（IC） DC-DC 开关控制器 | MICROCHIP 微芯科技 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：517.22 Kbytes Page：11 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current Mode PWM Controller 文件：3.93857 Mbytes Page：29 Pages | TI 德州仪器 | | ||
Current-Mode PWM Controller 文件：1.81918 Mbytes Page：45 Pages | TI 德州仪器 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | | ||
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 | |
UC3844A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
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
TI |
25+ |
SOIC-8 |
22412 |
正规渠道,免费送样。支持账期,BOM一站式配齐 |
|||
TI |
25+ |
SOIC-14 |
21000 |
原装正品现货,原厂订货,可支持含税原型号开票。 |
|||
AMPHENOL/安费诺 |
2608+ |
/ |
209858 |
一级代理，原装现货 |
|||
TI |
19+ |
SOP8 |
12548 |
||||
Microsemi |
22+ |
8-SOIC |
2100 |
||||
TI/德州仪器 |
25+ |
SOP8 |
12496 |
TI/德州仪器原装正品UC3844AD8TR即刻询购立享优惠#长期有货 |
|||
XBLW芯伯乐 |
24+ |
DIP-8 |
50000 |
品牌代理,价格优势,技术支持!!可直接对标进口品牌! |
|||
TI/德州仪器 |
25+ |
原厂封装 |
10000 |
||||
TI |
2025+ |
N/A |
70000 |
柒号只做原装 现货价秒杀全网 |
|||
TI |
21+ |
SOP8 |
10000 |
勤思达只做原装 现货库存 支持支持实单 |
UC3844A芯片相关品牌
UC3844A规格书下载地址
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UC3844A数据表相关新闻
UC3844BVD1R2G
MC14069UBDR2G 74ACT14SCX MM74HC14MTCX UC3844BVD1R2G
2023-5-17UC3843AP-SOP8R-TW0G_UTC代理商
UC3843AP-SOP8R-TW0G_UTC代理商
2023-2-10UC3844BVD1R2G
UC3844BVD1R2G
2022-6-7UC3842BD1R2G原装现货
UC3842BD1R2G原装现货
2019-10-29UC3844BNG公司原装现货
UC3844BNG公司原装现货
2019-10-28UC3843D1-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
DdatasheetPDF页码索引
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