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LP3852ES-3.3 PDF预览

LP3852ES-3.3

更新时间： 2024-11-04 22:11:43
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
19页 382K
描述
1.5A Fast Response Ultra Low Dropout Linear Regulators

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LP3852ES-3.3 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TO-263, 5 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12可调性：FIXED
最大回动电压 1：0.38 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：3.68 VJESD-30 代码：R-PSSO-G5
JESD-609代码：e0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 1：1.5 A最大输出电压 1：3.399 V
最小输出电压 1：3.201 V标称输出电压 1：3.3 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：RAIL
峰值回流温度（摄氏度）：235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：Tin/Lead (Sn/Pb)
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：8.64 mm
Base Number Matches：1

LP3852ES-3.3 数据手册

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March 2004  
LP3852/LP3855  
1.5A Fast Response Ultra Low Dropout Linear  
Regulators  
General Description  
Features  
n Ultra low dropout voltage  
The LP3852/LP3855 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 LP3852/LP3855  
are developed on a CMOS process which allows low quies-  
cent current operation independent of output load current.  
This CMOS process also allows the LP3852/LP3855 to op-  
erate under extremely low dropout conditions.  
n Stable with selected ceramic capacitors  
n Low ground pin current  
n Load regulation of 0.06%  
n 10nA quiescent current in shutdown mode  
n Guaranteed output current of 1.5A DC  
n Available in TO-263, TO-220 and SOT-223 packages  
n Output voltage accuracy 1.5%  
n Error flag indicates output status  
n Sense option improves load regulation  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
Dropout Voltage: Ultra low dropout voltage; typically 24mV  
at 150mA load current and 240mV at 1.5A load current.  
Ground Pin Current: Typically 4mA at 1.5A load current.  
Shutdown Mode: Typically 10nA 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.  
SENSE: Sense pin improves regulation at remote loads.  
Precision Output Voltage: Multiple output voltage options  
are available ranging from 1.8V to 5.0V with a guaranteed  
accuracy of 1.5% at room temperature, and 3.0% over all  
conditions (varying line, load, and temperature).  
n Post regulators  
n High efficiency linear regulators  
n Battery chargers  
n Other battery powered applications  
Typical Application Circuits  
20031001  
**SD and ERROR pins must be pulled high through a 10kΩ pull-up resistor. Connect the ERROR pin to ground if this function is not used. See Application Hints  
for more information.  
© 2004 National Semiconductor Corporation  
DS200310  
www.national.com  
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