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LM2611AMF/NOPB PDF预览

LM2611AMF/NOPB

更新时间: 2024-11-23 13:09:19
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器
页数 文件大小 规格书
15页 833K
描述
IC 2 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5, LEAD FREE, SOT-23, 5 PIN, Switching Regulator or Controller

LM2611AMF/NOPB 技术参数

是否Rohs认证:符合生命周期:Transferred
包装说明:LSSOP, TSOP5/6,.11,37Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.15Is 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:14 V
最小输入电压:2.7 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G5JESD-609代码:e3
长度:2.92 mm湿度敏感等级:1
功能数量:1端子数量:5
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSOP5/6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW 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:1.22 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:1800 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

LM2611AMF/NOPB 数据手册

 浏览型号LM2611AMF/NOPB的Datasheet PDF文件第2页浏览型号LM2611AMF/NOPB的Datasheet PDF文件第3页浏览型号LM2611AMF/NOPB的Datasheet PDF文件第4页浏览型号LM2611AMF/NOPB的Datasheet PDF文件第5页浏览型号LM2611AMF/NOPB的Datasheet PDF文件第6页浏览型号LM2611AMF/NOPB的Datasheet PDF文件第7页 
January 2005  
LM2611  
1.4MHz Cuk Converter  
General Description  
Features  
n 1.4MHz switching frequency  
n Low RDS(ON) DMOS FET  
n 1mVp-p output ripple  
The LM2611 is a current mode, PWM inverting switching  
regulator. Operating from a 2.7 - 14V supply, it is capable of  
producing a regulated negative output voltage of up to −(36-  
VIN(MAX)). The LM2611 utilizes an input and output inductor,  
which enables low voltage ripple and RMS current on both  
the input and the output. With a switching frequency of  
1.4MHz, the inductors and output capacitor can be physi-  
cally small and low cost. High efficiency is achieved through  
the use of a low RDS(ON) FET.  
n −5V at 300mA from 5V input  
n Better regulation than a charge pump  
n Uses tiny capacitors and inductors  
n Wide input range: 2.7V to 14V  
n Low shutdown current: 1uA  
n 5-lead SOT-23 package  
<
The LM2611 features a shutdown pin, which can be acti-  
vated when the part is not needed to lower the Iq and save  
battery life. A negative feedback (NFB) pin provides a simple  
method of setting the output voltage, using just two resistors.  
Cycle-by-cycle current limiting and internal compensation  
further simplify the use of the LM2611.  
Applications  
n MR Head Bias  
n Digital camera CCD bias  
n LCD bias  
The LM2611 is available is a small SOT23-5 package. It  
comes in two grades:  
n GaAs FET bias  
n Positive to negative conversion  
Grade A  
1.2A  
Grade B  
0.9A  
Current Limit  
RDS(ON)  
0.5  
0.7Ω  
Typical Application Circuit  
20018117  
© 2005 National Semiconductor Corporation  
DS200181  
www.national.com  

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LM2611AMF/NOPB TI

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