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LM2660MM PDF预览

LM2660MM

更新时间: 2024-01-14 16:34:47
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器开关光电二极管PC
页数 文件大小 规格书
12页 299K
描述
Switched Capacitor Voltage Converter

LM2660MM 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:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.65模拟集成电路 - 其他类型:SWITCHED CAPACITOR CONVERTER
最大输入电压:5.5 V最小输入电压:1.5 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.1 A
最大输出电压:11 V最小输出电压:5 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Other Analog ICs表面贴装:YES
切换器配置:DOUBLER INVERTER最大切换频率:40 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

LM2660MM 数据手册

 浏览型号LM2660MM的Datasheet PDF文件第2页浏览型号LM2660MM的Datasheet PDF文件第3页浏览型号LM2660MM的Datasheet PDF文件第4页浏览型号LM2660MM的Datasheet PDF文件第5页浏览型号LM2660MM的Datasheet PDF文件第6页浏览型号LM2660MM的Datasheet PDF文件第7页 
September 1999  
LM2660/LM2661  
Switched Capacitor Voltage Converter  
General Description  
Features  
n Inverts or doubles input supply voltage  
n Narrow SO-8 and Mini SO-8 Package  
n 6.5typical output resistance  
The LM2660/LM2661 CMOS charge-pump voltage con-  
verter inverts a positive voltage in the range of 1.5V to 5.5V  
to the corresponding negative voltage. The LM2660/LM2661  
uses two low cost capacitors to provide 100 mA of output  
current without the cost, size, and EMI related to inductor  
based converters. With an operating current of only 120 µA  
and operating efficiency greater than 90% at most loads, the  
LM2660/LM2661 provides ideal performance for battery  
powered systems. The LM2660/LM2661 may also be used  
as a positive voltage doubler.  
n 88% typical conversion efficiency at 100 mA  
n (LM2660) selectable oscillator frequency: 10 kHz/80 kHz  
n (LM2661) low current shutdown mode  
Applications  
n Laptop computers  
n Cellular phones  
The oscillator frequency can be lowered by adding an exter-  
nal capacitor to the OSC pin. Also, the OSC pin may be used  
to drive the LM2660/LM2661 with an external clock. For  
LM2660, a frequency control (FC) pin selects the oscillator  
frequency of 10 kHz or 80 kHz. For LM2661, an external  
shutdown (SD) pin replaces the FC pin. The SD pin can be  
used to disable the device and reduce the quiescent current  
to 0.5 µA. The oscillator frequency for the LM2661 is 80 kHz.  
n Medical instruments  
n Operational amplifier power supplies  
n Interface power supplies  
n Handheld instruments  
Basic Application Circuits  
Voltage Inverter  
Positive Voltage Doubler  
DS012911-3  
DS012911-4  
Splitting VIN in Half  
DS012911-26  
© 1999 National Semiconductor Corporation  
DS012911  
www.national.com  

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