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LM5005

更新时间： 2024-01-01 14:30:33
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
28页 947K
描述
LM5005 High Voltage 2.5 Amp Buck Regulator

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中文翻译

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LM5005 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：HSSOP, TSSOP20,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.17其他特性：ALSO ADJUSTABLE OUTPUT FROM 1.225V
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：e3
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标称输出电压：7.15 V
封装主体材料：PLASTIC/EPOXY封装代码：HSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified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：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 mm
Base Number Matches：1

LM5005 数据手册

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LM5005  
www.ti.com  
SNVS397D –SEPTEMBER 2005–REVISED MARCH 2013  
LM5005 High Voltage 2.5 Amp Buck Regulator  
Check for Samples: LM5005  
1
FEATURES  
DESCRIPTION  
The LM5005 high voltage switching regulator features  
all of the functions necessary to implement an  
efficient high voltage buck regulator using a minimum  
of external components. 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 applications. The  
operating frequency is programmable from 50kHz to  
500kHz. An oscillator synchronization pin allows  
multiple LM5005 regulators to self-synchronize or to  
be synchronized to an external clock. Additional  
protection features include: current limit, thermal  
shutdown and remote shutdown capability. The  
device is available in a power enhanced HTSSOP  
package featuring an exposed die attach pad to aid  
thermal dissipation.  
2
•
•
•
•
•
•
Integrated 75V, 2.5A N-Channel Buck Switch  
Ultra-wide input voltage range from 7V to 75V  
Internal high voltage bias regulator  
Adjustable output voltage from 1.225V  
1.5% feedback reference accuracy  
Current mode control with emulated inductor  
current ramp  
•
•
•
•
•
•
Single resistor oscillator frequency setting  
Oscillator synchronization input  
Programmable soft-start  
Shutdown / Standby input  
Wide bandwidth error amplifier  
Thermal Shutdown  
Package  
•
HTSSOP (Exposed Pad)  
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.  
2
All trademarks are the property of their respective owners.  
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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