| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
Positive voltage regulators Description The L78L series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide | STMICROELECTRONICS 意法半导体 |   | ||
Positive voltage regulators Description The L78L series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a w | STMICROELECTRONICS 意法半导体 | | ||
Positive voltage regulators Description The L78L series of three-terminal positive regulators employ internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a w | STMICROELECTRONICS 意法半导体 | | ||
3-Terminal Positive Voltage Regulator 文件：631.29 Kbytes Page：3 Pages | SKTECHNOLGYSHIKE Electronics 时科广东时科微实业有限公司 | | ||
Three Terminal Positive Voltage Regulators 文件：499.57 Kbytes Page：4 Pages | FS | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ST |
23+ |
SO8-92-89-223 |
16900 |
正规渠道,只有原装! |
|||
ST/意法 |
24+ |
NA/ |
4250 |
原装现货,当天可交货,原型号开票 |
|||
ST/意法 |
23+ |
89-92-223-SOP8 |
50000 |
全新原装正品现货,支持订货 |
|||
ST |
23+ |
SOP-8 |
8600 |
绝对全新原装!优势供货渠道!特价!请放心订购! |
|||
HGSEMI/华冠 |
18+ |
TO-92 |
2928 |
原装现货支持BOM配单服务 |
|||
ST/意法 |
22+ |
89-92-223-SOP8 |
20000 |
只做原装 |
|||
原厂 |
NA |
5500 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
ST/意法 |
23+ |
SOP-8 |
3000 |
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、 |
|||
24+ |
SMD |
5500 |
一级代理原装现货假一罚十 |
||||
ST/意法 |
24+ |
TO-92 |
60000 |
LR78L33B芯片相关品牌
LR78L33B规格书下载地址
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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
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2013-1-19
DdatasheetPDF页码索引
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