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LM5021MM-1 PDF预览

LM5021MM-1

更新时间： 2024-11-23 12:06:07
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
23页 1061K
描述
LM5021 AC-DC Current Mode PWM Controller

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中文翻译

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LM5021MM-1 技术参数

是否无铅：含铅是否Rohs认证：不符合
生命周期：Obsolete零件包装代码：MSOP
包装说明：MSOP-8针数：8
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.16
Samacsys Confidence：3Samacsys Status：Released
Samacsys PartID：156166Samacsys Pin Count：8
Samacsys Part Category：Integrated CircuitSamacsys Package Category：Small Outline Packages
Samacsys Footprint Name：DGK (S-PDSO-G8)Samacsys Released Date：2015-04-16 09:48:08
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：30 V最小输入电压：8 V
标称输入电压：15 VJESD-30 代码：S-PDSO-G8
JESD-609代码：e0长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：0.7 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP8,.19封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.09 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：560 kHz
温度等级：AUTOMOTIVE端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

LM5021MM-1 数据手册

 浏览型号LM5021MM-1的Datasheet PDF文件第2页浏览型号LM5021MM-1的Datasheet PDF文件第3页浏览型号LM5021MM-1的Datasheet PDF文件第4页浏览型号LM5021MM-1的Datasheet PDF文件第5页浏览型号LM5021MM-1的Datasheet PDF文件第6页浏览型号LM5021MM-1的Datasheet PDF文件第7页 
LM5021  
www.ti.com  
SNVS359D –MAY 2005–REVISED MARCH 2013  
LM5021 AC-DC Current Mode PWM Controller  
Check for Samples: LM5021  
1
FEATURES  
DESCRIPTION  
The LM5021 off-line pulse width modulation (PWM)  
controller contains all of the features needed to  
implement highly efficient off-line single-ended  
flyback and forward power converters using current-  
mode control. The LM5021 features include an ultra-  
low (25 µA) start-up current, which minimizes power  
losses in the high voltage start-up network. A skip  
cycle mode reduces power consumption with light  
loads for energy conserving applications (ENERGY  
STAR®, CECP, etc.). Additional features include  
under-voltage lockout, cycle-by-cycle current limit,  
hiccup mode overload protection, slope com-  
pensation, soft-start and oscillator synchronization  
capability. This high performance 8-pin IC has total  
propagation delays less than 100nS and a 1MHz  
capable oscillator that is programmed with a single  
resistor.  
2
•
•
•
•
•
•
•
•
•
Ultra Low Start-up Current (25 µA maximum)  
Current Mode Control  
Skip Cycle Mode for Low Standby Power  
Single Resistor Programmable Oscillator  
Synchronizable Oscillator  
Adjustable Soft-Start  
Integrated 0.7A Peak Gate Driver  
Direct Opto-Coupler Interface  
Maximum Duty Cycle Limiting (80% for  
LM5021-1 or 50% for LM5021-2)  
•
•
•
•
Slope Compensation for (LM5021-1 Only)  
Under Voltage Lockout (UVLO) with Hysteresis  
Cycle-by-Cycle Over-Current Protection  
Hiccup Mode for Continuous Overload  
Protection  
WHITE SPACE  
•
•
Leading Edge Blanking of Current Sense  
Signal  
Packages: VSSOP-8 or PDIP-8  
Simplified Application Diagram  
VOUT  
+
AC  
90 ~ 264 Vac  
VCC  
VIN  
LM5021  
RT  
SS  
OUT  
CS  
+
COMP GND  
FEEDBACK  
WITH  
ISOLATION  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2013, Texas Instruments Incorporated  
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中文翻译

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LM5021MM-1 替代型号

型号 品牌 替代类型 描述 数据表
LM5021MM-1/NOPB TI

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