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MAX1818EUAT20

更新时间： 2024-11-04 23:45:51
品牌 Logo 应用领域
美信 - MAXIM 模拟IC
页数 文件大小 规格书
9页 263K
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Analog IC

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MAX1818EUAT20 数据手册

 浏览型号MAX1818EUAT20的Datasheet PDF文件第2页浏览型号MAX1818EUAT20的Datasheet PDF文件第3页浏览型号MAX1818EUAT20的Datasheet PDF文件第4页浏览型号MAX1818EUAT20的Datasheet PDF文件第5页浏览型号MAX1818EUAT20的Datasheet PDF文件第6页浏览型号MAX1818EUAT20的Datasheet PDF文件第7页 
19-1860; Rev 1; 3/01  
500mA Low-Dropout  
Linear Regulator in SOT23  
General Description  
Features  
The MAX1818 low-dropout linear regulator operates  
from a +2.5V to +5.5V supply and delivers a guaran-  
teed 500mA load current with low 120mV dropout. The  
high-accuracy ( 1ꢀ% output voltage is preset at an  
internally trimmed voltage (see Selector Guide% or can  
be adjusted from 1.25V to 5.0V with an external resis-  
tive divider.  
o Guaranteed 500mA Output Current  
o Low 120mV Dropout at 500mA  
o
1ꢀ Output Voꢁtaꢂe Aꢃꢃuraꢃc  
Preset at 1.5V, 1.8V, 2.0V, 2.5V, 3.3V, 5V  
Adjustabꢁe from 1.25V to 5.0V  
o Power OK Output  
An internal PMOS pass transistor allows the low 125µA  
supply current to remain independent of load, making  
this device ideal for portable battery-operated equip-  
ment such as personal digital assistants (PDAs%, cellu-  
lar phones, cordless phones, base stations, and  
notebook computers.  
o Low 125µA Ground Current  
o 0.1µA Shutdown Current  
o Thermaꢁ Overꢁoad Proteꢃtion  
o Output Current Limit  
o Tinc 800mW 6-Pin SOT23 Paꢃkaꢂe  
Other features include an active-low open-drain reset  
output that indicates when the output is out of regula-  
tion, a 0.1µA shutdown, short-circuit protection, and  
thermal shutdown protection. The device is available in  
a miniature 800mW 6-pin SOT23 package.  
Ordering Information  
PART*  
TEMP RANGE PIN-PACKAGE  
MAX1818EUAT_ _  
-40°C to +85°C 6 SOT23-6  
*Insert the desired two-digit suffix (see Selector Guide) into the  
blanks to complete the part number.  
Note: The MAX1818 requires a special solder temperature  
Applications  
Notebook Computers  
Cellular and Cordless Telephones  
Personal Digital Assistants (PDAs%  
Palmtop Computers  
Base Stations  
profile described in the Absolute Maximum Ratings section.  
Selector Guide  
PART AND  
SUFFIX  
SOT23  
TOP MARK  
V
OUT  
USB Hubs  
MAX1818EUT15  
MAX1818EUT18  
MAX1818EUT20  
MAX1818EUT25  
MAX1818EUT33  
MAX1818EUT50  
1.5V or Adj  
1.8V or Adj  
2.0V or Adj  
2.5V or Adj  
3.3V or Adj  
5.0V or Adj  
AASO  
AANU  
AANV  
AANF  
AANG  
AANH  
Docking Stations  
Pin Configuration  
Typical Operating Circuit  
V
= 2.5V TO 5.5V  
IN  
TOP VIEW  
IN  
V
IN  
OUT  
OUT  
C
C
OUT  
IN  
POK  
1
2
3
6
5
4
OUT  
SET  
3.3µF  
1µF  
MAX1818  
MAX1818  
R
POK  
100k  
ON  
TO  
µC  
SHDN  
SET  
POK  
GND  
SHDN  
GND  
OFF  
SOT23  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...9

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