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LM3311SQX-HIOP PDF预览

LM3311SQX-HIOP

更新时间: 2024-02-17 13:33:44
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器稳压器开关式稳压器或控制器电源电路开关式控制器运算放大器脉冲
页数 文件大小 规格书
32页 2495K
描述
Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch

LM3311SQX-HIOP 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC24,.16SQ,20针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
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 V
JESD-30 代码:S-XQCC-N24JESD-609代码:e3
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:Matte Tin (Sn)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 mm
Base Number Matches:1

LM3311SQX-HIOP 数据手册

 浏览型号LM3311SQX-HIOP的Datasheet PDF文件第2页浏览型号LM3311SQX-HIOP的Datasheet PDF文件第3页浏览型号LM3311SQX-HIOP的Datasheet PDF文件第4页浏览型号LM3311SQX-HIOP的Datasheet PDF文件第5页浏览型号LM3311SQX-HIOP的Datasheet PDF文件第6页浏览型号LM3311SQX-HIOP的Datasheet PDF文件第7页 
November 26, 2007  
LM3311  
Step-Up PWM DC/DC Converter with Integrated LDO, Op-  
Amp, and Gate Pulse Modulation Switch  
General Description  
Features  
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 en-  
ables the user to tailor the soft-start time to a specific appli-  
cation 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 135-  
mA 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 LLP package.  
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 LLP package  
Applications  
TFT Bias Supplies  
Portable Applications  
Typical Application Circuit  
20126331  
© 2007 National Semiconductor Corporation  
201263  
www.national.com  

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