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LM5034MTC/NOPB PDF预览

LM5034MTC/NOPB

更新时间： 2024-11-19 13:09:23
品牌 Logo 应用领域
美国国家半导体 - NSC 控制器
页数 文件大小 规格书
29页 1068K
描述
IC 2.5 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO20, LEAD FREE, TSSOP-20, Switching Regulator or Controller

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LM5034MTC/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TSSOP, TSSOP20,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18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：100 V最小输入电压：13 V
标称输入电压：48 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：6.5 mm
湿度敏感等级：1功能数量：2
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：2.5 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
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：1.1 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：2000 kHz
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
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：40
宽度：4.4 mmBase Number Matches：1

LM5034MTC/NOPB 数据手册

 浏览型号LM5034MTC/NOPB的Datasheet PDF文件第2页浏览型号LM5034MTC/NOPB的Datasheet PDF文件第3页浏览型号LM5034MTC/NOPB的Datasheet PDF文件第4页浏览型号LM5034MTC/NOPB的Datasheet PDF文件第5页浏览型号LM5034MTC/NOPB的Datasheet PDF文件第6页浏览型号LM5034MTC/NOPB的Datasheet PDF文件第7页 
February 2005  
LM5034  
High Voltage Dual Interleaved Current Mode Controller  
with Active Clamp  
General Description  
Features  
n Two independent PWM current mode controllers  
n Integrated high voltage startup regulator  
n Compound 2.5A main output gate drivers  
n Single resistor oscillator setting to 2 MHz  
The LM5034 dual current mode PWM controller contains all  
the features needed to control either two independent  
forward/active clamp dc/dc converters or a single high cur-  
rent converter comprised of two interleaved power stages.  
The two controller channels operate 180˚ out of phase  
thereby reducing input ripple current. The LM5034 includes a  
startup regulator that operates over a wide input range up to  
100V and compound (bipolar + CMOS) gate drivers that  
provide a robust 2.5A peak sink current. The adjustable  
dead-time of the active clamp gate drivers and adjustable  
maximum PWM duty cycle reduce stress on the primary side  
MOSFET switches. Additional features include program-  
mable line under-voltage lockout, cycle-by-cycle current  
limit, hiccup mode fault operation with adjustable restart  
delay, PWM slope compensation, soft-start, and a 2 MHz  
capable oscillator with synchronization capability.  
n
Synchronizable oscillator  
n Active clamp gate driver for P-channel MOSFETs  
n Adjustable gate drive overlap time  
n Programmable maximum duty cycle  
n
Maximum duty cycle fold-back at high line voltage  
n Adjustable timer for hiccup mode current limiting  
n Integrated slope compensation  
n Adjustable line under-voltage lockout  
n Independently adjustable soft-start (each regulator)  
n Direct interface with opto-coupler transistor  
n Thermal shutdown  
Applications  
n Telecommunication Power Converters  
n Industrial Power Converters  
n +42V Automotive Systems  
Packages  
n TSSOP-20  
Typical Application Circuit  
20136801  
Dual Interleaved Regulators with Independent Outputs  
© 2005 National Semiconductor Corporation  
DS201368  
www.national.com  
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