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LP3963ESX-2.5/NOPB PDF预览

LP3963ESX-2.5/NOPB

更新时间: 2024-11-26 13:09:27
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器
页数 文件大小 规格书
17页 388K
描述
IC VREG 2.5 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PSSO5, PLASTIC, TO-263, 5 PIN, Fixed Positive Single Output LDO Regulator

LP3963ESX-2.5/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:PLASTIC, TO-263, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:6.98可调性:FIXED
最大回动电压 1:1.2 V标称回动电压 1:0.8 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:3.7 VJESD-30 代码:R-PSSO-G5
JESD-609代码:e3长度:10.16 mm
湿度敏感等级:3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 1:3 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:TO-263
封装等效代码:SMSIP5H,.6,67TB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):245认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:4.8 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:1.7 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
最大电压容差:3%宽度:8.635 mm
Base Number Matches:1

LP3963ESX-2.5/NOPB 数据手册

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May 2003  
LP3963/LP3966  
3A Fast Ultra Low Dropout Linear Regulators  
General Description  
Features  
n Ultra low dropout voltage  
The LP3963/LP3966 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 quickly to  
step changes in load which makes them suitable for low  
voltage microprocessor applications. The LP3963/LP3966  
are developed on a CMOS process which allows low quies-  
cent current operation independent of output load current.  
This CMOS process also allows the LP3963/LP3966 to op-  
erate under extremely low dropout conditions.  
n Low ground pin current  
n Load regulation of 0.06%  
n 15µA quiescent current in shutdown mode  
n Guaranteed output current of 3A DC  
n Available in TO-263 and TO-220 packages  
n Output voltage accuracy 1.5%  
n Error flag indicates output status (LP3963)  
n Sense option improves load regulation (LP3966)  
n Minimum output capacitor requirements  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
Dropout Voltage: Ultra low dropout voltage; typically 80mV  
at 300mA load current and 800mV at 3A load current.  
Ground Pin Current: Typically 6mA at 3A 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 LP3963).  
SENSE: Sense pin improves regulation at remote loads.  
(For LP3966)  
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  
(LP3966), 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  
10126701  
*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  
© 2003 National Semiconductor Corporation  
DS101267  
www.national.com  

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