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LP38856T-0.8

更新时间： 2024-09-21 03:03:19
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
14页 835K
描述
3A Fast-Response High-Accuracy LDO Linear Regulator with Enable

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LP38856T-0.8 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：8.19可调性：FIXED
最大回动电压 1：0.45 V标称回动电压 1：0.24 V
最大绝对输入电压：6 V最大输入电压：5.5 V
最小输入电压：1.25 VJESD-30 代码：R-PSFM-T5
JESD-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 1：0.824 V最小输出电压 1：0.776 V
标称输出电压 1：0.8 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

LP38856T-0.8 数据手册

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June 2006  
LP38856  
3A Fast-Response High-Accuracy LDO Linear Regulator  
with Enable  
General Description  
Features  
n Standard VOUT values of 0.8V and 1.2V  
n Stable with 10 µF ceramic capacitors  
n Dropout voltage of 240 mV (typical) at 3A load current  
n Precision Output Voltage across all line and load  
conditions:  
The LP38856 is a high-current, fast-response regulator  
which can maintain output voltage regulation with an ex-  
tremely low input to output voltage drop. Fabricated on a  
CMOS process, the device operates from two input voltages:  
VBIAS provides power for the internal bias and control cir-  
cuits, as well as drive for the gate of the N-MOS power  
transistor, while VIN 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 architec-  
ture consumes extremely low quiescent current at any out-  
put load current. The use of an N-MOS power transistor  
results in wide bandwidth, yet minimum external capacitance  
is required to maintain loop stability.  
—
—
—
1.0% for TJ = 25˚C  
2.0% for 0˚C ≤ TJ ≤ +125˚C  
3.0% for -40˚C ≤ TJ ≤ +125˚C  
n Over-Temperature and Over-Current protection  
n Available in 5 lead TO-220 and TO-263 packages  
n Custom VOUT values between 0.8V and 1.2V are  
available  
n -40˚C to +125˚C Operating Temperature Range  
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 LP38856 is  
available in TO-220 and TO-263 5-Lead packages.  
Applications  
n ASIC Power Supplies In:  
- Desktops, Notebooks, and Graphics Cards, Servers  
- Gaming Set Top Boxes, Printers and Copiers  
n Server Core and I/O Supplies  
n DSP and FPGA Power Supplies  
n SMPS Post-Regulator  
Dropout Voltage: 240 mV (typical) at 3A load current.  
Low Ground Pin Current: 14 mA (typical) at 3A load cur-  
rent.  
Shutdown Current: 1 µA (typical) IIN(GND) when EN pin is  
low.  
Precision Output Voltage: 1.0% for TJ = 25˚C and 2.0%  
for 0˚C ≤ TJ ≤ +125˚C, across all line and load conditions  
Typical Application Circuit  
20131101  
© 2006 National Semiconductor Corporation  
DS201311  
www.national.com  
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