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LP3961EMPX-2.5/NOPB PDF预览

LP3961EMPX-2.5/NOPB

更新时间: 2024-11-26 19:58:15
品牌 Logo 应用领域
美国国家半导体 - NSC 光电二极管输出元件调节器
页数 文件大小 规格书
22页 900K
描述
IC VREG 2.5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO5, SOT-223, 5 PIN, Fixed Positive Single Output LDO Regulator

LP3961EMPX-2.5/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:SOP, SOT-223-4Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.13可调性:FIXED
最大回动电压 1:0.35 V标称回动电压 1:0.24 V
最大绝对输入电压:7.5 V最大输入电压:7 V
最小输入电压:2.85 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e3长度:6.5 mm
湿度敏感等级:1功能数量:1
输出次数:1端子数量:5
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最大输出电流 1:0.8 A最大输出电压 1:2.575 V
最小输出电压 1:2.425 V标称输出电压 1:2.5 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOT-223-4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE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:1.8 mm
子类别:Other Regulators表面贴装:YES
技术:CMOS端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.5 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:3.56 mm
Base Number Matches:1

LP3961EMPX-2.5/NOPB 数据手册

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September 2006  
LP3961/LP3964  
800mA Fast Ultra Low Dropout Linear Regulators  
General Description  
Features  
n Ultra low dropout voltage  
n Low ground pin current  
n Load regulation of 0.02%  
The LP3961/LP3964 series of fast ultra low-dropout linear  
regulators operate from a +2.5V to +7.0V input supply. Wide  
range of preset output voltage options are available. These  
ultra low dropout linear regulators respond very fast to step  
changes in load which makes them suitable for low voltage  
microprocessor applications. The LP3961/LP3964 are de-  
veloped on a CMOS process which allows low quiescent  
current operation independent of output load current. This  
CMOS process also allows the LP3961/LP3964 to operate  
under extremely low dropout conditions.  
n 15µA quiescent current in shutdown mode  
n Guaranteed output current of 0.8A DC  
n Available in SOT-223,TO-263 and TO-220 packages  
n Output voltage accuracy 1.5%  
n Error flag indicates output status (LP3961)  
n Sense option improves better load regulation (LP3964)  
n Extremely low output capacitor requirements  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
Dropout Voltage: Ultra low dropout voltage; typically 24mV  
at 80mA load current and 240mV at 800mA load current.  
Ground Pin Current: Typically 4mA at 800mA load current.  
Shutdown Mode: Typically 15µA quiescent current when  
the shutdown pin is pulled low.  
Applications  
n Microprocessor power supplies  
n GTL, GTL+, BTL, and SSTL bus terminators  
n Power supplies for DSPs  
n SCSI terminator  
Error Flag: Error flag goes low when the output voltage  
drops 10% below nominal value (for LP3961).  
SENSE: Sense pin improves regulation at remote loads.  
(For LP3964)  
n Post regulators  
n High efficiency linear regulators  
n Battery chargers  
Precision Output Voltage: Multiple output voltage options  
are available ranging from 1.2V to 5.0V and adjustable  
(LP3964), with a guaranteed accuracy of 1.5% at room  
temperature, and 3.0% over all conditions (varying line,  
load, and temperature).  
n Other battery powered applications  
Typical Application Circuits  
10112901  
*SD and ERROR pins must be pulled high through a 10kpull-up resistor. Connect the ERROR pin to ground if this function is not used. See applications  
section for more information.  
** See Application Hints.  
© 2006 National Semiconductor Corporation  
DS101129  
www.national.com  

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