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LM2687LDX/NOPB PDF预览

LM2687LDX/NOPB

更新时间: 2024-11-09 21:17:15
品牌 Logo 应用领域
美国国家半导体 - NSC 开关光电二极管
页数 文件大小 规格书
10页 288K
描述
IC 0.01 A SWITCHED CAPACITOR REGULATOR, 180 kHz SWITCHING FREQ-MAX, PDSO8, LLP-8, Switching Regulator or Controller

LM2687LDX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VSON, SOLCC8,.11,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.21模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:5.5 V最小输入电压:2.7 V
标称输入电压:3.6 VJESD-30 代码:S-PDSO-N8
JESD-609代码:e3长度:3 mm
湿度敏感等级:3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:0.01 A
最大输出电压:-5.2 V最小输出电压:-1.5 V
封装主体材料:PLASTIC/EPOXY封装代码:VSON
封装等效代码:SOLCC8,.11,20封装形状:SQUARE
封装形式:SMALL OUTLINE, 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:Other Analog ICs表面贴装:YES
切换器配置:DOUBLER INVERTER最大切换频率:180 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3 mm
Base Number Matches:1

LM2687LDX/NOPB 数据手册

 浏览型号LM2687LDX/NOPB的Datasheet PDF文件第2页浏览型号LM2687LDX/NOPB的Datasheet PDF文件第3页浏览型号LM2687LDX/NOPB的Datasheet PDF文件第4页浏览型号LM2687LDX/NOPB的Datasheet PDF文件第5页浏览型号LM2687LDX/NOPB的Datasheet PDF文件第6页浏览型号LM2687LDX/NOPB的Datasheet PDF文件第7页 
April 2003  
LM2687  
Low Noise Regulated Switched Capacitor Voltage  
Inverter  
General Description  
Features  
n Inverts and regulates the input supply voltage  
n Small MSOP-8 or LLP-8 package  
The LM2687 CMOS Negative Regulated Switched Capacitor  
Voltage Inverter delivers a very low noise adjustable output  
for an input voltage in the range of +2.7V to +5.5V. Four low  
cost capacitors are used in this circuit to provide up to 10mA  
of output current. The regulated output for the LM2687 is  
adjustable between −1.5V and −5.2V. The LM2687 operates  
at 100 kHz (typical) switching frequency to reduce output  
resistance and voltage ripple. With an operating current of  
only 500 µA (charge pump power efficiency greater than  
90% with most loads) and 0.05 µA typical shutdown current,  
the LM2687 provides ideal performance for cellular phone  
power amplifier bias and other low current, low noise nega-  
tive voltage needs. The device comes in a small 8-pin MSOP  
or LLP package.  
n 91% typical charge pump power efficiency at 10mA  
n Low output ripple (1mV typical)  
n Shutdown lowers Quiescent current to 0.05 µA (typical)  
Applications  
n Wireless Communication Systems  
n Cellular Phone Power Amplifier Biasing  
n Interface Power Supplies  
n Handheld Instrumentation  
n Laptop Computers and PDA’s  
Typical Application Circuit  
10118001  
Connection Diagrams  
8-Pin MSOP  
8-Pin LLP  
10118002  
10118025  
© 2003 National Semiconductor Corporation  
DS101180  
www.national.com  

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