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LM3488MMX/NOPB PDF预览

LM3488MMX/NOPB

更新时间： 2024-11-26 13:09:23
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关控制器
页数 文件大小 规格书
33页 1355K
描述
2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators 8-VSSOP -40 to 125

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LM3488MMX/NOPB 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：MSOP
包装说明：TSSOP, TSSOP8,.19针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.72Is Samacsys：N
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：40 V
最小输入电压：2.97 V标称输入电压：12 V
JESD-30 代码：S-PDSO-G8JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：1 A最大输出电压：500 V
最小输出电压：1.26 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.19
封装形状：SQUARE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：1000 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：3 mm
Base Number Matches：1

LM3488MMX/NOPB 数据手册

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LM3488  
LM3488-Q1  
www.ti.com  
SNVS089M –JULY 2000–REVISED MARCH 2013  
High Efficiency Low-Side N-Channel Controller for Switching Regulators  
Check for Samples: LM3488, LM3488-Q1  
1
FEATURES  
DESCRIPTION  
The LM3488 is a versatile Low-Side N-FET high  
2
•
LM3488Q is AEC-Q100 qualified and  
performance controller for switching regulators. It is  
suitable for use in topologies requiring low side FET,  
such as boost, flyback, or SEPIC. Moreover, the  
LM3488 can be operated at extremely high switching  
frequency in order to reduce the overall solution size.  
The switching frequency of LM3488 can be adjusted  
to any value between 100kHz and 1MHz by using a  
single external resistor or by synchronizing it to an  
external clock. Current mode control provides  
superior bandwidth and transient response, besides  
cycle-by-cycle current limiting. Output current can be  
programmed with a single external resistor.  
manufactured on an Automotive Grade Flow  
•
•
8-lead VSSOP package  
Internal push-pull driver with 1A peak current  
capability  
•
•
Current limit and thermal shutdown  
Frequency compensation optimized with a  
capacitor and a resistor  
•
•
•
Internal softstart  
Current Mode Operation  
Undervoltage Lockout with hysteresis  
The LM3488 has built in features such as thermal  
shutdown, short-circuit protection and over voltage  
protection. Power saving shutdown mode reduces the  
total supply current to 5µA and allows power supply  
sequencing. Internal soft-start limits the inrush current  
at start-up.  
APPLICATIONS  
•
•
Distributed Power Systems  
Notebook, PDA, Digital Camera, and other  
Portable Applications  
•
•
Offline Power Supplies  
Set-Top Boxes  
KEY SPECIFICATIONS  
•
•
Wide supply voltage range of 2.97V to 40V  
100kHz to 1MHz Adjustable and  
Synchronizable clock frequency  
•
•
±1.5% (over temperature) internal reference  
5µA shutdown current (over temperature)  
TYPICAL APPLICATION CIRCUIT  
Figure 1. Typical SEPIC Converter  
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 © 2000–2013, Texas Instruments Incorporated  
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中文翻译

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LM3488MMX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3488MM/NOPB TI

类似代替

 适用于开关稳压器的 2.97V 至 40V 宽输入电压低侧 N 沟道控制器 | DGK |
LM3488MMX TI

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 High Efficiency Low-Side N-Channel Controller for Switching Regulators
LM3488MM TI

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 High Efficiency Low-Side N-Channel Controller for Switching Regulators

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 		适用于开关稳压器且具有 5µA 关断电流的 40V 宽输入电压、低侧 N 沟道控制器
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