| 型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
|---|---|---|---|---|
UC3843B | 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 | |
UC3843B | 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 | |
UC3843B | 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 文件：874.34 Kbytes 页数：7 Pages | UMW 友台半导体 | UMW | |
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 文件：6.19137 Mbytes 页数：20 Pages | XBLW | |||
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 | ||
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 | ||
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 | ||
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 | ||
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 | ||
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 |
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 |
|---|---|---|---|---|---|---|---|
ST |
23+ |
SOP-8 |
20000 |
询价 | |||
UMW 友台 |
23+ |
SOP-8 |
40000 |
原装正品，实单请联系 |
询价 | ||
ST/意法 |
22+ |
SOP8 |
30000 |
只做原装正品 |
询价 | ||
ST |
2025+ |
N/A |
70000 |
柒号只做原装 现货价秒杀全网 |
询价 | ||
UMW(友台半导体) |
24+ |
SOP-8 |
7500 |
加QQ:78517935原装正品有单必成 |
询价 | ||
ST/意法 |
2025+ |
DIP8 |
756 |
原装进口价格优 请找坤融电子! |
询价 | ||
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 | ||
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 | ||
ONSEMI |
00/01+ |
SOP |
561 |
全新原装100真实现货供应 |
询价 | ||
ST |
23+ |
SO-8 |
7000 |
绝对全新原装!100%保质量特价!请放心订购! |
询价 |
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