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LM25005MHX/NOPB PDF预览

LM25005MHX/NOPB

更新时间: 2024-01-10 16:03:35
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管稳压器
页数 文件大小 规格书
29页 1099K
描述
7V 至 42V 宽输入电压、2.5A 电流模式非同步降压稳压器 | PWP | 20 | -40 to 125

LM25005MHX/NOPB 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:HTSSOP, TSSOP20,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.2Is 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:42 V
最小输入电压:7 V标称输入电压:24 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: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:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

LM25005MHX/NOPB 数据手册

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LM25005  
www.ti.com  
SNVS411C JANUARY 2006REVISED MARCH 2013  
LM25005 42V, 2.5A Step-Down Switching Regulator  
Check for Samples: LM25005  
1
FEATURES  
DESCRIPTION  
The LM25005 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  
42V, 160m, N-channel MOSFET, 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 voltage 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 LM25005 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 42V, 160mN-Channel MOSFET  
Ultra-Wide Input Voltage Range from 7V to 42V  
Internal 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)  
Simplified Application Schematic  
VIN  
BST  
SW  
LM25005  
V
IN  
VOUT  
SD  
SYNC  
COMP  
IS  
GND  
OUT  
FB  
V
CC  
RAMP RT SS  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2006–2013, Texas Instruments Incorporated  

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