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LM5035CSQ

更新时间： 2024-11-19 11:48:39
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动控制器
页数 文件大小 规格书
28页 529K
描述
PWM Controller with Integrated Half-Bridge and SyncFET Drivers

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中文翻译

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LM5035CSQ 技术参数

生命周期：Transferred包装说明：HVQCCN,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.55
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：105 V
最小输入电压：13 V标称输入电压：48 V
JESD-30 代码：R-XQCC-N24长度：5 mm
功能数量：1端子数量：24
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVQCCN
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
认证状态：Not Qualified座面最大高度：0.8 mm
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：2000 kHz温度等级：AUTOMOTIVE
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

LM5035CSQ 数据手册

 浏览型号LM5035CSQ的Datasheet PDF文件第2页浏览型号LM5035CSQ的Datasheet PDF文件第3页浏览型号LM5035CSQ的Datasheet PDF文件第4页浏览型号LM5035CSQ的Datasheet PDF文件第5页浏览型号LM5035CSQ的Datasheet PDF文件第6页浏览型号LM5035CSQ的Datasheet PDF文件第7页 
January 19, 2010  
LM5035C  
PWM Controller with Integrated Half-Bridge and SyncFET  
Drivers  
General Description  
Features  
The LM5035C Half-Bridge Controller/Gate Driver contains all  
of the features necessary to implement half-bridge topology  
power converters using voltage mode control with line voltage  
feed-forward.  
105V / 2A Half-Bridge Gate Drivers  
■
■
Synchronous Rectifier Control Outputs with  
Programmable Delays  
Reduced Deadtime Between High and Low Side Drive for  
Higher Maximum Duty Cycle.  
■
The LM5035C is a functional variant of the LM5035B half-  
bridge PWM controller. The amplitude of the SR1 and SR2  
waveforms are 5V instead of the Vcc level. Also, the soft-stop  
function is disabled in the LM5035C.  
High Voltage (105V) Start-up Regulator  
■
■
Voltage mode Control with Line Feed-Forward and Volt  
Second Limiting  
The LM5035, LM5035A, LM5035B, and LM5035C include a  
floating high-side gate driver, which is capable of operating  
with supply voltages up to 105V. Both the high-side and low-  
side gate drivers are capable of 2A peak. An internal high  
voltage startup regulator is included, along with pro-  
grammable line undervoltage lockout (UVLO) and overvolt-  
age protection (OVP). The oscillator is programmed with a  
single resistor to frequencies up to 2MHz. The oscillator can  
also be synchronized to an external clock. A current sense  
input and a programmable timer provide cycle-by-cycle cur-  
rent limit and adjustable hiccup mode overload protection.  
Resistor Programmed, 2MHz Capable Oscillator  
■
■
Programmable Line Under-Voltage Lockout and Over-  
Voltage Protection  
Internal Thermal Shutdown Protection  
■
■
■
Adjustable Soft-Start  
Versatile Dual Mode Over-Current Protection with Hiccup  
Delay Timer  
Cycle-by-Cycle Over-Current Protection  
■
■
■
■
Direct Opto-coupler Interface  
Logic level Synchronous Rectifier Drives  
5V Reference Output  
Packages  
TSSOP-20EP (Thermally enhanced)  
■
■
LLP-24 (4mm x 5mm)  
Simplified Application Diagram  
30106801  
© 2010 National Semiconductor Corporation  
301068  
www.national.com  
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