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LP38858SX-1.2/NOPB PDF预览

LP38858SX-1.2/NOPB

更新时间： 2024-01-25 23:19:17
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德州仪器 - TI 输出元件调节器
页数 文件大小 规格书
21页 2122K
描述
1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start

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LP38858SX-1.2/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 不符合
生命周期：Active包装说明：TO-263, SMSIP5H,.6,67TB
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.45可调性：FIXED
最大回动电压 1：0.18 V标称回动电压 1：0.18 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：1.38 VJESD-30 代码：R-PSSO-G5
JESD-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 1：1.5 A最大输出电压 1：1.236 V
最小输出电压 1：1.164 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：4.8 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：8.64 mm

LP38858SX-1.2/NOPB 数据手册

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LP38858  
www.ti.com  
SNVS462D –OCTOBER 2006–REVISED APRIL 2013  
1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start  
Check for Samples: LP38858  
1
FEATURES  
DESCRIPTION  
The LP38858 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 process, the device  
operates from two input voltages: VBIAS provides  
voltage to drive the gate of the N-MOS power  
transistor, 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 external capacitance is required to maintain  
loop stability.  
2
•
•
Standard VOUT Values of 0.8V and 1.2V  
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:  
–
–
–
±1.0% VOUT for TJ = 25°C  
±2.0% VOUT for 0°C ≤ TJ ≤ +125°C  
±3.0% VOUT for -40°C ≤ TJ ≤ +125°C  
•
•
•
•
Over-Temperature and Over-Current  
Protection  
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 LP38858 is available in TO-220 and  
DDPAK/TO-263 5-Lead packages.  
Available in 5 Lead TO-220 and DDPAK/TO-263  
Packages  
Custom VOUT Values between 0.8V and 1.2V  
are Available  
Dropout Voltage: 130mV (typical) at 1.5A load  
current.  
−40°C to +125°C Operating Temperature Range  
APPLICATIONS  
Low Ground Pin Current: 10 mA (typical) at 1.5A  
load current.  
•
ASIC Power Supplies In:  
–
Desktops, Notebooks, and Graphics Cards,  
Servers  
Soft-Start: Programmable Soft-Start time.  
Precision Output Voltage: ±1.0% for TJ = 25°C and  
±2.0% 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  
Typical Application Circuit  
LP38858-x.x  
V
IN  
V
OUT  
IN  
OUT  
C
IN  
10 mF Ceramic  
V
BIAS  
BIAS  
SS  
C
BIAS  
C
OUT  
1 mF  
10 mF  
Ceramic  
GND  
C
SS  
GND  
GND  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2013, Texas Instruments Incorporated  
 
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LP38858SX-1.2/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP38858S-1.2 TI

类似代替

 1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858S-1.2/NOPB TI

类似代替

 1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858SX-1.2 TI

类似代替

 1.2V FIXED POSITIVE LDO REGULATOR, 0.18V DROPOUT, PSSO5, TO-263, 5 PIN

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