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LM5005MHX PDF预览

LM5005MHX

更新时间: 2024-11-27 22:31:11
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
21页 771K
描述
High Voltage 2.5 Amp Buck Regulator

LM5005MHX 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP-20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.18Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:75 V
最小输入电压:7 V标称输入电压:48 V
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
长度:6.5 mm湿度敏感等级:1
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:4.25 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, 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:BUCK
最大切换频率:525 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:40宽度:4.4 mm
Base Number Matches:1

LM5005MHX 数据手册

 浏览型号LM5005MHX的Datasheet PDF文件第2页浏览型号LM5005MHX的Datasheet PDF文件第3页浏览型号LM5005MHX的Datasheet PDF文件第4页浏览型号LM5005MHX的Datasheet PDF文件第5页浏览型号LM5005MHX的Datasheet PDF文件第6页浏览型号LM5005MHX的Datasheet PDF文件第7页 
September 2005  
LM5005  
High Voltage 2.5 Amp Buck Regulator  
General Description  
Features  
n Integrated 75V, 2.5A N-Channel Buck Switch  
n Ultra-wide input voltage range from 7V to 75V  
n Internal high voltage bias regulator  
n Adjustable output voltage from 1.225V  
n 1.5% feedback reference accuracy  
n Current mode control with emulated inductor current  
ramp  
The LM5005 high voltage switching regulator features all of  
the functions necessary to implement an efficient high volt-  
age buck regulator using a minimum of external compo-  
nents. This easy to use regulator includes a 75V N-Channel  
buck switch with an output current capability of 2.5 Amps.  
The regulator control method is based upon current mode  
control utilizing an emulated current ramp. Current mode  
control provides inherent line feed-forward, cycle-by-cycle  
current limiting and ease of loop compensation. The use of  
an emulated control ramp reduces noise sensitivity of the  
pulse-width modulation circuit, allowing reliable control of  
very small duty cycles necessary in high input voltage appli-  
cations. The operating frequency is programmable from  
50kHz to 500kHz. An oscillator synchronization pin allows  
multiple LM5005 regulators to self-synchronize or to be syn-  
chronized to an external clock. Additional protection features  
include: current limit, thermal shutdown and remote shut-  
down capability. The device is available in a power enhanced  
TSSOP-20 package featuring an exposed die attach pad to  
aid thermal dissipation.  
n Single resistor oscillator frequency setting  
n Oscillator synchronization input  
n Programmable soft-start  
n Shutdown / Standby input  
n Wide bandwidth error amplifier  
n Thermal Shutdown  
Package  
n TSSOP-20EP (Exposed Pad)  
Simplified Application Schematic  
20161901  
© 2005 National Semiconductor Corporation  
DS201619  
www.national.com  

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