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LP38852S-ADJ PDF预览

LP38852S-ADJ

更新时间: 2024-11-14 04:44:07
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器软启动
页数 文件大小 规格书
18页 438K
描述
1.5A Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and Soft-Start

LP38852S-ADJ 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TO-263, 7 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.4可调性:ADJUSTABLE
最大回动电压 1:0.18 V标称回动电压 1:0.13 V
JESD-30 代码:R-PSSO-G7JESD-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:7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 1:1.8 V最小输出电压 1:0.8 V
封装主体材料:PLASTIC/EPOXY封装代码:TO-263
封装等效代码:SMSIP7H,.55,50TB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:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:4.64 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:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:30
宽度:8.64 mm

LP38852S-ADJ 数据手册

 浏览型号LP38852S-ADJ的Datasheet PDF文件第2页浏览型号LP38852S-ADJ的Datasheet PDF文件第3页浏览型号LP38852S-ADJ的Datasheet PDF文件第4页浏览型号LP38852S-ADJ的Datasheet PDF文件第5页浏览型号LP38852S-ADJ的Datasheet PDF文件第6页浏览型号LP38852S-ADJ的Datasheet PDF文件第7页 
January 2007  
LP38852  
1.5A Fast-Response High-Accuracy Adjustable LDO Linear  
Regulator with Enable and Soft-Start  
General Description  
Features  
The LP38852-ADJ is a high current, fast response regulator  
which can maintain output voltage regulation with extremely  
low input to output voltage drop. Fabricated on a CMOS pro-  
cess, the device operates from two input voltages: VBIAS  
provides voltage to drive the gate of the N-MOS power tran-  
sistor, while VIN is the input voltage which supplies power to  
the load. The use of an external bias rail allows the part to  
operate from ultra low VIN voltages. Unlike bipolar regulators,  
the CMOS architecture consumes extremely low quiescent  
current at any output load current. The use of an N-MOS  
power transistor results in wide bandwidth, yet minimum ex-  
ternal capacitance is required to maintain loop stability.  
Adjustable VOUT range of 0.80V to 1.8V  
Wide VBIAS Supply operating range of 3.0V to 5.5V  
Stable with 10µF Ceramic capacitors  
Dropout voltage of 130 mV (typical) at 1.5A load current  
Precision Output Voltage across all line and load  
conditions:  
±1.5% VADJ for TJ = 25°C  
±2.0% VADJ for 0°C TJ +125°C  
±3.0% VADJ for -40°C TJ +125°C  
Over-Temperature and Over-Current protection  
Available in 8 lead PSOP, 7 lead TO-220 and 7 lead  
TO-263 packages  
The fast transient response of this device makes it suitable  
for use in powering DSP, Microcontroller Core voltages and  
Switch Mode Power Supply post regulators. The part is avail-  
able in the TO-220 and TO-263 7-pin packages.  
−40°C to +125°C Operating Junction Temperature Range  
Applications  
Dropout Voltage: 130 mV (typical) at 1.5A load current.  
Low Ground Pin Current: 14 mA (typical) at 1.5A load cur-  
rent.  
ASIC Power Supplies In:  
- Desktops, Notebooks, and Graphics Cards, Servers  
- Gaming Set Top Boxes, Printers and Copiers  
Soft-Start: Programmable Soft-Start time.  
Server Core and I/O Supplies  
Precision ADJ Voltage: ±1.5% for TJ = 25°C, and ±2.0% for  
0°C TJ +125°C, across all line and load conditions  
DSP and FPGA Power Supplies  
SMPS Post-Regulator  
Typical Application Circuit  
20213901  
© 2007 National Semiconductor Corporation  
202139  
www.national.com  

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