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LP3856ET-5.0 PDF预览

LP3856ET-5.0

更新时间： 2024-11-14 22:20:27
品牌 Logo 应用领域
美国国家半导体 - NSC 线性稳压器IC调节器电源电路输出元件局域网
页数 文件大小 规格书
18页 414K
描述
3A Fast Response Ultra Low Dropout Linear Regulators

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LP3856ET-5.0 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：TO-220, 5 PINReach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.15Is Samacsys：N
可调性：FIXED最大回动电压 1：0.6 V
标称回动电压 1：0.39 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：5.6 V
JESD-30 代码：R-PSFM-T5JESD-609代码：e0
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 1：3 A最大输出电压 1：5.15 V
最小输出电压 1：4.85 V标称输出电压 1：5 V
封装主体材料：PLASTIC/EPOXY封装代码：ZIP
封装等效代码：ZIP5,.15,.17,67TB封装形状：RECTANGULAR
封装形式：FLANGE MOUNT包装方法：RAIL
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子类别：Other Regulators
表面贴装：NO技术：CMOS
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
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：40最大电压容差：3%
Base Number Matches：1

LP3856ET-5.0 数据手册

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March 2004  
LP3853/LP3856  
3A Fast Response Ultra Low Dropout Linear Regulators  
General Description  
Features  
n Ultra low dropout voltage  
The LP3853/LP3856 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 LP3853/LP3856  
are developed on a CMOS process which allows low quies-  
cent current operation independent of output load current.  
This CMOS process also allows the LP3853/LP3856 to op-  
erate under extremely low dropout conditions.  
n Stable with selected ceramic capacitors  
n Low ground pin current  
n Load regulation of 0.08%  
n 10nA 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  
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 39mV  
at 300mA load current and 390mV at 3A load current.  
Ground Pin Current: Typically 4mA at 3A load current.  
Shutdown Mode: Typically 10nA quiescent current when  
the shutdown pin is pulled low.  
Applications  
n Microprocessor power supplies  
n Stable with ceramic output capacitors  
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  
20030901  
**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  
DS200309  
www.national.com  
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