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LM3311SQX PDF预览

LM3311SQX

更新时间: 2024-11-12 21:12:07
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
38页 2046K
描述
2.6A SWITCHING REGULATOR, 1280kHz SWITCHING FREQ-MAX, QCC24, LLP-24

LM3311SQX 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFN
包装说明:LLP-24针数:24
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
Is 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:7 V最小输入电压:2.5 V
标称输入电压:2.5 VJESD-30 代码:S-XQCC-N24
JESD-609代码:e0长度:4 mm
湿度敏感等级:1功能数量:1
端子数量:24最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:2.6 A
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC24,.16SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:1280 kHz
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

LM3311SQX 数据手册

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LM3311  
www.ti.com  
SNVS320G AUGUST 2005REVISED APRIL 2013  
LM3311 Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse  
Modulation Switch  
Check for Samples: LM3311  
1
FEATURES  
DESCRIPTION  
The LM3311 is a step-up DC/DC converter integrated  
with an LDO, an Operational Amplifier, and a gate  
pulse modulation switch. The boost (step-up)  
converter is used to generate an adjustable output  
voltage and features a low RDSON internal switch for  
maximum efficiency. The operating frequency is  
selectable between 660kHz and 1.28MHz allowing for  
the use of small external components. An external  
soft-start pin enables the user to tailor the soft-start  
time to a specific application and limit the inrush  
current. The LDO also has an adjustable output  
voltage and is stable using ceramic output capacitors.  
The Op-Amp is capable of sourcing/sinking 135mA of  
current (typical) for the standard version and 200mA  
(typical) for the HIOP version. The gate pulse  
modulation switch can operate with a VGH voltage of  
5V to 30V. The LM3311 is available in a low profile  
24-lead WQFN package.  
2
Boost Converter with a 2A, 0.18Switch  
Boost Output Voltage Adjustable up to 20V  
Operating Voltage Range of 2.5V to 7V  
660kHz/1.28MHz Pin Selectable Switching  
Frequency  
Adjustable Soft-Start Function  
Input Undervoltage Protection  
Over Temperature Protection  
Adjustable Low Dropout Linear Regulator  
(LDO)  
Integrated Op-Amp  
Integrated Gate Pulse Modulation (GPM)  
Switch  
24-Lead WQFN Package  
APPLICATIONS  
TFT Bias Supplies  
Portable Applications  
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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