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L4981AD PDF预览

L4981AD

更新时间: 2024-09-16 04:21:19
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关式稳压器或控制器电源电路开关式控制器功率因数校正光电二极管PC
页数 文件大小 规格书
17页 231K
描述
POWER FACTOR CORRECTOR

L4981AD 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOIC包装说明:SO-20
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:12 weeks风险等级:0.79
Samacsys Confidence:3Samacsys Status:Released
Samacsys PartID:153961Samacsys Pin Count:20
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Small Outline Packages
Samacsys Footprint Name:SO20-1Samacsys Released Date:2015-04-16 09:48:08
Is Samacsys:N模拟集成电路 - 其他类型:POWER FACTOR CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:19.5 V最小输入电压:11 V
标称输入电压:18 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e4长度:12.8 mm
湿度敏感等级:3功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:115 kHz
技术:BCDMOS温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:7.5 mm
Base Number Matches:1

L4981AD 数据手册

 浏览型号L4981AD的Datasheet PDF文件第2页浏览型号L4981AD的Datasheet PDF文件第3页浏览型号L4981AD的Datasheet PDF文件第4页浏览型号L4981AD的Datasheet PDF文件第5页浏览型号L4981AD的Datasheet PDF文件第6页浏览型号L4981AD的Datasheet PDF文件第7页 
L4981A  
L4981B  
POWER FACTOR CORRECTOR  
CONTROL BOOST PWM UP TO 0.99P.F.  
LIMITLINE CURRENT DISTORTION TO < 5%  
UNIVERSAL INPUT MAINS  
MULTIPOWER BCD TECHNOLOGY  
FEED FORWARD LINE AND LOAD REGULA-  
TION  
AVERAGE CURRENT MODE PWM FOR  
MINIMUM NOISE SENSITIVITY  
HIGH CURRENT BIPOLAR AND DMOS TO-  
TEM POLE OUTPUT  
LOW START-UP CURRENT (0.3mA TYP.)  
UNDER VOLTAGE LOCKOUT WITH HYS-  
TERESIS AND PROGRAMMABLE TURN ON  
THRESHOLD  
OVERVOLTAGE, OVERCURRENT PROTEC-  
TION  
DIP20  
SO20  
ORDERING NUMBERS: L4981X (DIP20)  
L4981XD (SO20)  
PRECISE 2% ON CHIP REFERENCE EX-  
TERNALLY AVAILABLE  
SOFT START  
trol functions for designing a high efficiency-mode  
power supply with sinusoidal line current con-  
sumption.  
The L4981 can be easily used in systems with  
mains voltages between 85V to 265V without any  
line switch. This new PFC offers the possibility to  
work at fixed frequency (L4981A) or modulated  
frequency (L4981B) optimizing the size of the in-  
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 con-  
BLOCK DIAGRAM  
1/17  
September 1998  

L4981AD 替代型号

型号 品牌 替代类型 描述 数据表
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