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LR745N3价格
参考价格：￥2.7088
型号：LR745N3-G 品牌：Supertex 备注：这里有LR745N3多少钱，2026年最近7天走势，今日出价，今日竞价，LR745N3批发/采购报价，LR745N3行情走势销售排行榜，LR745N3报价。| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
LR745N3 | High Input Voltage SMPS Start-up Circuit General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX |   | |
LR745N3 | High Input Voltage SMPS Start-up Circuit | MICROCHIP 微芯科技 | | |
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX | | ||
High Input Voltage SMPS Start-up General Description The Supertex LR745 is a high input voltage SMPS startup circuit. The LR745 is ideally suited for use with industry standard low voltage PWM ICs having start thresholds of 13.9 - 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates the | SUTEX | | ||
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MICROCHIP 微芯科技 | | ||
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MICROCHIP 微芯科技 | | ||
High-Input Voltage SMPS Start-up Description LR745 is a high input voltage SMPS start-up circuit. LR745 is ideally suited for use with industry standard low-voltage, Pulse-Width Modulation (PWM) ICs having start thresholds of 13.9 to 18.0V. It allows the PWM ICs to be operated from rectified 120 or 240VAC lines, and eliminates t | MICROCHIP 微芯科技 | | ||
封装/外壳：TO-226-3，TO-92-3 标准主体（!--TO-226AA） 包装：托盘 描述：IC CTRLR PWM SMPS TO92-3 集成电路（IC） 电源管理 - 专用 | MICROCHIP 微芯科技 | | ||
封装/外壳：TO-226-3，TO-92-3（TO-226AA）成形引线 包装：托盘 描述：IC CTRLR PWM SMPS TO92-3 集成电路（IC） 电源管理 - 专用 | MICROCHIP 微芯科技 | |
LR745N3产品属性
- 类型
描述
- 型号
LR745N3
- 功能描述
开关变换器、稳压器与控制器 Pwr Sup Start-Up IC
- RoHS
否
- 制造商
Texas Instruments
- 输出电压
1.2 V to 10 V
- 输出电流
300 mA
- 输入电压
3 V to 17 V
- 开关频率
1 MHz
- 安装风格
SMD/SMT
- 封装/箱体
WSON-8
- 封装
Reel
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
Microchip Technology / Atmel |
25+ |
TO-92 |
6895 |
正规渠道,免费送样。支持账期,BOM一站式配齐 |
|||
SUPERTEX |
25+ |
TO-92 |
10000 |
公司原装现货一片起送靠谱 |
|||
Supertex |
20+ |
TO-92 |
65790 |
原装优势主营型号-可开原型号增税票 |
|||
MICROCHIP |
2025+ |
N/A |
70000 |
柒号只做原装 现货价秒杀全网 |
|||
SUPERTEX |
26+ |
TO-92 |
5000 |
十年沉淀唯有原装 |
|||
SUPERTEX |
25+ |
TO-92 |
20000 |
原装 |
|||
Microchip |
24+ |
TO92-3 |
10000 |
全新原厂原装，进口正品现货，正规渠道可含税！！ |
|||
SUPERTEX |
23+ |
TO-92 |
20000 |
||||
MICROCHIP/微芯 |
2450+ |
LQFP |
8850 |
只做原装正品假一赔十为客户做到零风险!! |
|||
Microchip(微芯) |
26+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
LR745N3芯片相关品牌
LR745N3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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