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LM5041AMTCX PDF预览

LM5041AMTCX

更新时间： 2024-02-28 18:06:50
品牌 Logo 应用领域
美国国家半导体 - NSC 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
16页 720K
描述
Cascaded PWM Controller

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中文翻译

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LM5041AMTCX 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：LLP-16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13Is 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：90 V
最小输入电压：15 V标称输入电压：48 V
JESD-30 代码：S-PDSO-N16JESD-609代码：e0
长度：5 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.01 A封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC16,.2,20
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：1000 kHz温度等级：AUTOMOTIVE
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
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：40宽度：5 mm
Base Number Matches：1

LM5041AMTCX 数据手册

 浏览型号LM5041AMTCX的Datasheet PDF文件第2页浏览型号LM5041AMTCX的Datasheet PDF文件第3页浏览型号LM5041AMTCX的Datasheet PDF文件第4页浏览型号LM5041AMTCX的Datasheet PDF文件第5页浏览型号LM5041AMTCX的Datasheet PDF文件第6页浏览型号LM5041AMTCX的Datasheet PDF文件第7页 
May 2005  
LM5041A  
Cascaded PWM Controller  
General Description  
Features  
n Internal Start-up Bias Regulator  
The LM5041A PWM controller contains all of the features  
necessary to implement either current-fed or voltage-fed  
push-pull or bridge power converters. These “Cascaded”  
topologies are well suited for multiple output and higher  
power applications. The LM5041A’s four control outputs in-  
clude: the buck stage controls (HD and LD) and the push-  
pull control outputs (PUSH and PULL). Push-pull outputs are  
driven at 50% nominal duty cycle at one half of the switching  
frequency of the buck stage and can be configured for either  
a guaranteed overlap time (for current-fed applications) or a  
guaranteed both-off time (for voltage-fed applications).  
Push-pull stage MOSFETs can be driven directly from the  
internal gate drivers while the buck stage requires an exter-  
nal driver such as the LM5102. The LM5041A includes a  
high-voltage start-up regulator that operates over a wide  
input range of 15V to 100V. The PWM controller is designed  
for high-speed capability including an oscillator frequency  
range up to 1 MHz and total propagation delays of less than  
100ns. Additional features include: line Under-Voltage Lock-  
out (UVLO), soft-start, an error amplifier, precision voltage  
reference, and thermal shutdown.  
n Programmable Line Under-Voltage Lockout (UVLO) with  
Adjustable Hysteresis  
n Current Mode Control  
n Internal Error Amplifier with Reference  
n Cycle-by-cycle Over-Current Protection  
n Leading Edge Blanking  
n Programmable Push-Pull Overlap or Dead Time  
n Internal 1.5A Push-Pull Gate Drivers  
n Programmable Soft-start  
n Programmable Oscillator with Sync Capability  
n Precision Reference  
n Thermal Shutdown  
Applications  
n Telecommunication Power Converters  
n Industrial Power Converters  
n Multi-Output Power Converters  
n +42V Automotive Systems  
The two differences between the LM5041 and the LM5041A  
are: No second level current limit in the ’A’ version No  
softstart (SS) shutdown comparator in the ’A’ version .  
Packages  
n TSSOP-16  
n LLP-16 (5x5 mm) Thermally Enhanced  
Typical Application Circuit  
20137801  
Simplified Cascaded Push-Pull Power Converter  
© 2005 National Semiconductor Corporation  
DS201378  
www.national.com  
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