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LM3211MT-ADJ/NOPB PDF预览

LM3211MT-ADJ/NOPB

更新时间: 2024-02-24 06:20:54
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
28页 1541K
描述
SWITCHING REGULATOR, 1500kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20

LM3211MT-ADJ/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP,针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.22
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:7.5 V
最小输入电压:2.2 V标称输入电压:2.5 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
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
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表面贴装:YES
切换器配置:BOOST最大切换频率:1500 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

LM3211MT-ADJ/NOPB 数据手册

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LM3211  
www.ti.com  
SNVS222B NOVEMBER 2003REVISED MARCH 2013  
LM3211 Step-up PWM DC/DC Converter Integrated with 4 Buffers  
Check for Samples: LM3211  
1
FEATURES  
DESCRIPTION  
The LM3211 is a compact bias solution for TFT  
displays. It has a current mode PWM step-up DC/DC  
converter with a 1.4A, 0.17internal switch. Capable  
of generating 8V at 300mA from a Lithium Ion battery,  
the LM3211 is ideal for generating bias voltages for  
large screen LCD panels. The LM3211 can be  
operated at switching frequencies of 600kHz or  
1.25MHz, allowing for easy filtering and low noise. An  
external compensation pin gives the user flexibility in  
setting frequency compensation, which makes  
possible the use of small, low ESR ceramic  
capacitors at the output. The LM3211 uses a  
patented internal circuitry to limit startup inrush  
current of the boost switching regulator without the  
use of an external softstart capacitor. An external  
softstart pin enables the user to tailor the softstart to  
2
1.4A, 0.17Ω, Internal Power Switch  
VIN Operating Range: 2.2V to 7.5V  
600kHz/1.25MHz Selectable Frequency Step-Up  
DC/DC Converter  
20 Pin TSSOP Package  
Inrush Current Limiting Circuitry  
External Softstart Override  
4 Gamma Buffers  
APPLICATIONS  
LCD Bias Supplies  
Handheld Devices  
Portable Applications  
Cellular Phones/Digital Cameras  
a
specific application. The LM3211 contains 4  
Gamma buffers capable of supplying 35mA source  
and sink. The TSSOP-20 package ensures a low  
profile overall solution.  
Typical Application Circuit  
V
= 8V  
OUT  
D
R1  
160k  
C
OUT  
L
VSW  
VIN  
GND  
R2  
30k  
22mF  
4.7mH  
AGND  
FB  
VIN  
2.5V - 7.5V  
FSLCT  
SHDN  
Vc  
CIN  
33mF  
optional  
LM3211  
Vs+  
SS  
RC  
56k  
GMA1-In  
GMA2-In  
GMA1-Out  
GMA2-Out  
GMA3-Out  
CSS  
CC  
GMA3-In  
GMA4-In  
NC  
2.2nF  
GMA4-Out  
NC  
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 © 2003–2013, Texas Instruments Incorporated  

LM3211MT-ADJ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3211MTX-ADJ/NOPB TI

完全替代

Step-up PWM DC/DC Converter Integrated with 4 Buffers 0 20-TSSOP

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