| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3842A, UC3843A 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. These integrated circuits feature a trimmed oscillat | MOTOROLA 摩托罗拉 |   | ||
HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3842A, UC3843A 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. These integrated circuits feature a trimmed oscillat | MOTOROLA 摩托罗拉 | | ||
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 | | ||
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 | | ||
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 | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
原厂 |
专业光耦 |
DIP8 |
65800 |
光耦原装优势主营型号-可开原型号增税票 |
|||
MOT |
24+/25+ |
50 |
原装正品现货库存价优 |
||||
UC |
2016+ |
DIP8 |
3900 |
只做原装,假一罚十,公司可开17%增值税发票! |
|||
TI |
24+ |
DIP8 |
20000 |
全新原厂原装，进口正品现货，正规渠道可含税！！ |
|||
ON |
25+ |
DIP |
6500 |
十七年专营原装现货一手货源,样品免费送 |
|||
ON |
24+ |
DIP8 |
17620 |
绝对原装现货,价格低,欢迎询购! |
|||
MOT |
DIP |
5211 |
正品原装--自家现货-实单可谈 |
||||
MOT |
25+ |
DIP8 |
3629 |
原装优势!房间现货!欢迎来电! |
|||
ST(意法) |
18+ |
9800 |
代理进口原装/实单价格可谈 |
||||
ON |
24+ |
DIP |
30617 |
一级代理全新原装热卖 |
LR3843芯片相关品牌
LR3843规格书下载地址
LR3843参数引脚图相关
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LR3843数据表相关新闻
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2021-10-20LR745-高输入电压开关电源启动电路
一般描述 Supertex公司LR7的是一个高输入电压开关电源启动电路。该LR7非常适合使用低与行业标准电压型PWM集成电路具有13.9V到18.8V启动阈值。这使PWM IC能够从经营或纠正120伏240V交流线路，并消除了经常使用的功率电阻用于这一目的。该LR7内部电路允许PWM IC的工作在他们的启动阈值低于VCC电压 电压启动后。辅助电压可以比少启动阈值电压，这对于提高效率允许。从高电压线电流仅绘制在启动时期。启动后，内部高压线路断开从IC从而减少了连续功率耗散降至最低。... 特点 到450V25V的工作输入电压范
2013-3-8LR645-高输入电压开关电源启动/线性稳压器
特点 接受输入从15V到450V 与行业标准的PWM IC的兼容。 输出电流高达3毫安连续，30毫安高峰 电源电流通常为50μA 线路调整通常0.1mV/ V 可修剪输出从8.0V至12V可以增加❏输出电流150mA的外部FET 应用 关闭式开关电源启动电路（脉冲负载） 低功耗稳压器 嘈杂输入的稳压器 概述 Supertex公司的LR6是高输入电压，低输出电流线性稳压器。它有一个三端固定输
2013-1-19
DdatasheetPDF页码索引
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