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LM2662MDC PDF预览

LM2662MDC

更新时间: 2024-11-23 21:16:35
品牌 Logo 应用领域
美国国家半导体 - NSC 开关
页数 文件大小 规格书
12页 281K
描述
IC SWITCHED CAPACITOR CONVERTER, 150 kHz SWITCHING FREQ-MAX, UUC8, DIE, Switching Regulator or Controller

LM2662MDC 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:DIE, DIE OR CHIPReach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.73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-XUUC-N8
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:0.2 A
最大输出电压:11 V最小输出电压:5 V
封装主体材料:UNSPECIFIED封装代码:DIE
封装等效代码:DIE OR CHIP封装形状:RECTANGULAR
封装形式:UNCASED CHIP峰值回流温度(摄氏度):260
认证状态:Not Qualified子类别:Other Analog ICs
表面贴装:YES切换器配置:DOUBLER INVERTER
最大切换频率:150 kHz技术:CMOS
温度等级:INDUSTRIAL端子形式:NO LEAD
端子位置:UPPER处于峰值回流温度下的最长时间:40
Base Number Matches:1

LM2662MDC 数据手册

 浏览型号LM2662MDC的Datasheet PDF文件第2页浏览型号LM2662MDC的Datasheet PDF文件第3页浏览型号LM2662MDC的Datasheet PDF文件第4页浏览型号LM2662MDC的Datasheet PDF文件第5页浏览型号LM2662MDC的Datasheet PDF文件第6页浏览型号LM2662MDC的Datasheet PDF文件第7页 
January 1999  
LM2662/LM2663  
Switched Capacitor Voltage Converter  
General Description  
Features  
n Inverts or doubles input supply voltage  
n Narrow SO-8 Package  
The LM2662/LM2663 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 LM2662/LM2663  
uses two low cost capacitors to provide 200 mA of output  
current without the cost, size, and EMI related to inductor  
based converters. With an operating current of only 300 µA  
and operating efficiency greater than 90% at most loads, the  
LM2662/LM2663 provides ideal performance for battery  
powered systems. The LM2662/LM2663 may also be used  
as a positive voltage doubler.  
n 3.5typical output resistance  
n 86% typical conversion efficiency at 200 mA  
n (LM2662) selectable oscillator  
frequency: 20 kHz/150 kHz  
n (LM2663) low current shutdown mode  
Applications  
n Laptop computers  
n Cellular phones  
n Medical instruments  
n Operational amplifier power supplies  
n Interface power supplies  
n Handheld instruments  
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 LM2662/LM2663 with an external clock. For  
LM2662, a frequency control (FC) pin selects the oscillator  
frequency of 20 kHz or 150 kHz. For LM2663, 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 10 µA. The oscillator frequency for LM2663 is 150 kHz.  
Basic Application Circuits  
Voltage Inverter  
Splitting VIN in Half  
DS100003-1  
Positive Voltage Doubler  
DS100003-3  
DS100003-2  
© 2001 National Semiconductor Corporation  
DS100003  
www.national.com  

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