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LP38856SX-1.2/NOPB PDF预览

LP38856SX-1.2/NOPB

更新时间： 2024-11-15 01:05:51
品牌 Logo 应用领域
德州仪器 - TI 输出元件调节器
页数 文件大小 规格书
24页 2092K
描述
3A Fast-Response High-Accuracy LDO Linear Regulator With Enable

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LP38856SX-1.2/NOPB 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active包装说明：DDPAK-5
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.9Is Samacsys：N
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：1.15 V
JESD-30 代码：R-PSSO-G5JESD-609代码：e3
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最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流 1：3 A
最大输出电压 1：1.2 V最小输出电压 1：0.8 V
标称输出电压 1：1.2 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：TR峰值回流温度（摄氏度）：245
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：4.83 mm子类别：Other Regulators
表面贴装：YES技术：CMOS
端子面层：Matte Tin (Sn)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：NOT SPECIFIED最大电压容差：3%
宽度：8.42 mmBase Number Matches：1

LP38856SX-1.2/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LP38856  
SNVS336F –JUNE 2006–REVISED AUGUST 2015  
LP38856 3-A Fast-Response High-Accuracy LDO Linear Regulator With Enable  
1 Features  
3 Description  
The LP38856 is  
a
high-current, fast-response  
1
•
Input Voltage: 1.1 V to 5.5 V  
regulator which can maintain output voltage  
regulation with an extremely 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  
circuits, 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 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 external  
capacitance is required to maintain loop stability.  
•
•
•
•
Wide VBIAS Supply Operating Range: 3 V to 5.5 V  
Standard VOUT: 0.8 V and 1.2 V  
Stable with 10-µF Ceramic Capacitors  
Dropout Voltage of 240 mV (Typical) at 3-A Load  
Current  
•
Precision Output Voltage Across All Line and  
Load Conditions:  
–
–
–
±1% for TJ = 25°C  
±2% for 0°C ≤ TJ ≤ +125°C  
±3% for –40°C ≤ TJ ≤ +125°C  
•
•
Overtemperature and Overcurrent Protection  
–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 5-pin TO-220  
and DDPAK/TO-263 packages.  
2 Applications  
•
ASIC Power Supplies In:  
–
Desktops, Notebooks, and Graphics Cards,  
Servers  
•
•
•
•
Dropout Voltage: 240 mV (typical) at 3-A load  
current.  
Low Ground Pin Current: 10 mA (typical) at 3-A  
load current.  
Shutdown Current: 1 µA (typical) IIN(GND) when EN  
pin is low.  
Precision Output Voltage: ±1% for TJ = 25°C and  
±2% for 0°C ≤ TJ ≤ +125°C, across all line and  
load conditions.  
–
Gaming Set Top Boxes, Printers and Copiers  
•
•
•
Server Core and I/O Supplies  
DSP and FPGA Power Supplies  
SMPS Post-Regulator  
Device Information(1)  
PART NUMBER  
LP38856  
PACKAGE  
DDPAK/TO-263 (5)  
TO-220 (5)  
BODY SIZE (NOM)  
10.16 mm × 8.42 mm  
14.986 mm × 10.16 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Typical Application Circuit  
LP38856-x.x  
V
IN  
V
OUT  
IN  
OUT  
C
IN  
10 mF Ceramic  
V
BIAS  
BIAS  
EN  
C
BIAS  
C
OUT  
1 mF  
10 mF  
Ceramic  
V
EN  
GND  
GND  
GND  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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LP38856SX-1.2/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP38843S-1.2/NOPB TI

类似代替

 3A Ultra Low Dropout Linear Regulators Stable with Ceramic Output Capacitors
LP38856S-1.2/NOPB TI

类似代替

 3A Fast-Response High-Accuracy LDO Linear Regulator With Enable

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