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LP3981IMM-2.7 PDF预览

LP3981IMM-2.7

更新时间: 2024-11-14 22:33:47
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
11页 337K
描述
Micropower, 300mA Ultra Low-Dropout CMOS Voltage

LP3981IMM-2.7 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:MSOP-8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.11可调性:FIXED
最大回动电压 1:0.2 V标称回动电压 1:0.132 V
最大绝对输入电压:6.5 V最大输入电压:6 V
最小输入电压:2.7 VJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
最大电网调整率:0.0151%湿度敏感等级:1
功能数量:1输出次数:1
端子数量:8工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最大输出电流 1:0.3 A
最大输出电压 1:2.781 V最小输出电压 1:2.619 V
标称输出电压 1:2.7 V封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法:TAPE AND REEL峰值回流温度(摄氏度):260
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:1.09 mm子类别:Other Regulators
表面贴装:YES技术:CMOS
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40最大电压容差:3%
宽度:3 mmBase Number Matches:1

LP3981IMM-2.7 数据手册

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March 2003  
LP3981  
Micropower, 300mA Ultra Low-Dropout CMOS Voltage  
Regulator  
n 60dB PSRR at 1kHz  
n 1µA quiescent current when shut down  
n Fast Turn-On time: 120 µs (typ.) with CBYPASS = 0.01uF  
n 132mV typ dropout with 300mA load  
General Description  
The LP3981’s performance is optimized for battery powered  
systems to deliver ultra low noise, extremely low dropout  
voltage and low quiescent current. Regulator ground current  
n 35µVrms output noise over 10Hz to 100kHz  
n −40 to +125˚C junction temperature range for operation  
n 2.5V, 2.7V, 2.8V, 2.83V, 3.0V, 3.03V, and 3.3V outputs  
standard  
increases only slightly in dropout, further prolonging the  
battery life.  
Power supply rejection is better than 60 dB at low frequen-  
cies. This high power supply rejection is maintained down to  
lower input voltage levels common to battery operated cir-  
cuits.  
Features  
The device is ideal for mobile phone and similar battery  
powered wireless applications. It provides up to 300 mA,  
from a 2.5V to 6V input, consuming less than 1µA in disable  
mode.  
n Small, space saving MSOP-8  
n Low Thermal Resistance in LLP-6 package gives  
excellent power capability  
n Logic controlled enable  
The LP3981 is available in MSOP-8 package. For LP3981 in  
LLP-6 package, contact NSC sales offices. Performance is  
specified for −40˚C to +125˚C temperature range. The de-  
vice available in the following output voltages; 2.5V, 2.7V,  
2.8V, 2.83V, 3.0V, 3.03V and 3.3V as standard. Other output  
options can be made available, please contact your local  
NSC sales office.  
n Stable with ceramic and high quality tantalum capacitors  
n Fast turn-on  
n Thermal shutdown and short-circuit current limit  
Applications  
n CDMA cellular handsets  
n Wideband CDMA cellular handsets  
n GSM cellular handsets  
n Portable information appliances  
n Tiny 3.3V 5% to 2.5V, 300mA converter  
Key Specifications  
n 2.5 to 6.0V input range  
n 300mA guaranteed output  
Typical Application Circuit  
20020302  
Note: Pin Numbers in parenthesis indicate LLP-6 package.  
© 2003 National Semiconductor Corporation  
DS200203  
www.national.com  

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