L4981价格
参考价格：￥4.5767
型号：L4981A 品牌：STMICROELECTRONICS 备注：这里有L4981多少钱，2026年最近7天走势，今日出价，今日竞价，L4981批发/采购报价，L4981行情走势销售排行榜，L4981报价。| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
L4981 | POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 |   | |
L4981 | L4981A：固定频率，平均电流模式； L4981B：线性调制频率，平均电流模式 The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99.\n\n Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line current consump • PRECISE 2% ON CHIP REFERENCE EXTERNALLY AVAILABLE \n• OVERVOLTAGE, OVERCURRENT PROTECTION \n• SOFT START \n• LOW START-UP CURRENT (0.3mA TYP.) \n• HIGH CURRENT BIPOLAR AND DMOS TOTEM POLE OUTPUT \n• CONTROL BOOST PWM UP TO 0.99P.F.• UNIVERSAL INPUT MAINS \n• LIMIT LINE CURRENT DISTORTION TO < ; | STMICROELECTRONICS 意法半导体 | | |
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR DESCRIPTION The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99. Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line cur | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR 文件：2.6223 Mbytes Page：16 Pages | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR 文件：2.6223 Mbytes Page：16 Pages | STMICROELECTRONICS 意法半导体 | | ||
封装/外壳：20-SOIC（0.295"，7.50mm 宽） 包装：管件 描述：IC PFC CTR AVER CURR 100KHZ 20SO 集成电路（IC） PFC（功率因数校正） | STMICROELECTRONICS 意法半导体 | | ||
封装/外壳：20-SOIC（0.295"，7.50mm 宽） 包装：管件 描述：IC PFC CTR AVER CURR 100KHZ 20SO 集成电路（IC） PFC（功率因数校正） | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR 文件：2.6223 Mbytes Page：16 Pages | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR 文件：2.6223 Mbytes Page：16 Pages | STMICROELECTRONICS 意法半导体 | | ||
POWER FACTOR CORRECTOR 文件：2.6223 Mbytes Page：16 Pages | STMICROELECTRONICS 意法半导体 | | ||
Monolithic integrated 16 : 9 compressor GENERAL DESCRIPTION The integrated 16 : 9 compressor is an IC which compresses the active part of a video line by a factor of 4⁄3 from, for example, 52 µs to 39 µs. This is necessary to display 4:3 video software on a 16 : 9 tube in the correct proportion. The capacitively coupled video inputs ar | PHILIPS 飞利浦 | |
L4981产品属性
- 类型
描述
- Marketing Status：
Active
- General Description：
L4981A
- Topology Mode：
Continuous Current Mode
- Over Voltage Protection：
true
- AC Brownout Protection：
false
- Inductor Saturation Protection：
false
- Feedback failure protection：
false
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
ST/意法 |
23+ |
SOP20 |
6580 |
全新原装现货,支持实单 |
|||
ST |
25+ |
SOP-20 |
5000 |
原装正品!!!公司现货优势库存!0755-83210901 |
|||
ST/意法 |
2025+ |
SOP |
3000 |
原装进口价格优 请找坤融电子! |
|||
ST |
2432+ |
3200 |
15年芯片行业经验/只供原装正品：13570885961邹小姐 |
||||
ST(意法) |
24+ |
SOIC-20_300mil |
5142 |
只做原装现货假一罚十!价格最低!只卖原装现货 |
|||
STM |
23+ |
SOP16 |
2000 |
正规渠道,只有原装! |
|||
ST |
22+ |
SOP20 |
21055 |
原装正品，实单请联系 |
|||
ST原现 |
25+ |
SOP-20 |
25000 |
全新原装现货,假一赔十 |
|||
ST/意法 |
26+ |
原厂封装 |
102800 |
原厂授权一级代理,专注军工、汽车、医疗、工业、新能源、电力! |
|||
ST |
23+ |
SOP20 |
6800 |
只做原装正品假一赔十为客户做到零风险!! |
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L4981规格书下载地址
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L4981数据表相关新闻
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特点 4输出：10V（125毫安）;8.5V（250毫安）;5V（200毫安）;5V（100毫安） 10V和5V（百毫安）输出低压差 5V（100毫安）ST- BY输出电压 为欠压预警输出（LVW） 热停机和电流限制（折返） 反向电池及负载突降保护 INHIBIT（ON/ OFF）和复位功能 说明 该L4946B是一款四输出低压降电压稳压器。四是输出10V的低压降125毫安（VO1），在250毫安（VO2）8.5V，在5V最大200mA（VO3）和低ST -一行在下降
2013-1-23
DdatasheetPDF页码索引
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