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LP38513T-1.8/NOPB PDF预览

LP38513T-1.8/NOPB

更新时间： 2024-11-15 11:12:23
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
26页 1678K
描述
具有电源正常指示和使能功能的 3A 超低压降稳压器，1.8V 输出 | NDH | 5 | -40 to 125

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LP38513T-1.8/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Reference  
Design  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LP38513  
SNVS361E –JULY 2007–REVISED NOVEMBER 2015  
LP38513 3-A Fast Response Ultra-Low Dropout Linear Regulator  
1 Features  
3 Description  
The LP38513 fast-response ultra-low dropout linear  
regulator operates from a 2.25-V to 5.5-V input  
supply. This device responds very quickly to step  
changes in line or load conditions, making it suitable  
1
•
•
•
•
•
Input Supply Voltage 2.25 V to 5.5 V  
Conversions from 2.5-V Rail to 1.8-V Rail  
Stable with Ceramic Capacitors  
Low Ground Pin Current  
for  
low-voltage  
microprocessor  
applications.  
Developed on a CMOS process, with a PMOS pass  
transistor, the LP38513 has low quiescent-current  
operation independent of the output load current.  
Load Regulation of 0.1% for 10 mA to 3-A Load  
Current  
•
60-μA Typical Quiescent Current in Shutdown  
•
•
•
Ground Pin Current: Typically 12 mA at 3-A load  
current.  
Disable Mode: Typically 60 µA quiescent current  
when the enable (EN) pin is pulled low.  
ERROR Flag: The ERROR flag goes low if VOUT  
falls more than typically 15% below the nominal  
value.  
Mode  
•
•
Specified Output Current of 3 A  
Specified VOUT Accuracy of ±2.6% With  
TJ from 0°C to +125°C  
•
•
•
ERROR Flag Indicates VOUT Status  
Overtemperature and Overcurrent Protection  
−40°C to +125°C Operating TJ Range  
•
Precision Output Voltage: A specified VOUT  
accuracy of ±2.6% with TJ from 0°C to 125°C.  
Device Information(1)  
2 Applications  
PART NUMBER  
LP38513  
PACKAGE  
BODY SIZE (NOM)  
•
•
•
•
•
•
•
Microprocessor Power Supplies  
GTL, GTL+, BTL, and SSTL Bus Terminators  
Power Supplies for DSPs  
SCSI Terminator  
TO-220 (5)  
14.986 mm × 10.16 mm  
DDPAK/TO-263 (5) 10.16 mm × 8.42 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Post Regulators  
Battery Chargers  
Other Battery Powered Applications  
Typical Application  
V
IN  
OUT  
V
OUT  
IN  
C
10 mF  
Ceramic  
C
10 mF  
Ceramic  
IN  
OUT  
LP38513  
10 kW  
ON  
OFF  
EN  
V
EN  
ERROR  
GND  
GND  
GND  
V
ERROR  
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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