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LP3852ET-1.8 PDF预览

LP3852ET-1.8

更新时间: 2024-02-17 03:39:19
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器调节器输出元件局域网
页数 文件大小 规格书
19页 382K
描述
1.5A Fast Response Ultra Low Dropout Linear Regulators

LP3852ET-1.8 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SFM
包装说明:ZFM, ZIP5,.15,.17,67TB针数:3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
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:2.5 V
JESD-30 代码:R-XZFM-T5JESD-609代码:e3
长度:14.986 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最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流 1:1.5 A
最大输出电压 1:1.854 V最小输出电压 1:1.746 V
标称输出电压 1:1.8 V封装主体材料:UNSPECIFIED
封装代码:ZFM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:TUBE峰值回流温度(摄氏度):NOT APPLICABLE
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:4.7 mm子类别:Other Regulators
表面贴装:NO技术:CMOS
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:1.702 mm端子位置:ZIG-ZAG
处于峰值回流温度下的最长时间:NOT SPECIFIED最大电压容差:3%
宽度:10.16 mmBase Number Matches:1

LP3852ET-1.8 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 10kpull-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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