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MAX1819 PDF预览

MAX1819

更新时间: 2024-11-07 14:57:43
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
9页 633K
描述
500mA、低压差线性稳压器,UCSP封装

MAX1819 数据手册

 浏览型号MAX1819的Datasheet PDF文件第2页浏览型号MAX1819的Datasheet PDF文件第3页浏览型号MAX1819的Datasheet PDF文件第4页浏览型号MAX1819的Datasheet PDF文件第5页浏览型号MAX1819的Datasheet PDF文件第6页浏览型号MAX1819的Datasheet PDF文件第7页 
19-2072; Rev 0; 1/02  
500mA Low-Dropout Linear Regulator in UCSP  
General Description  
Features  
The MAX1819 low-dropout linear regulator operates from  
a 2.5V to 5.5V supply and delivers a guaranteed 500mA  
load current with low 120mV dropout. The high-accuracy  
( 1ꢀ% output voltage is preset at an internally trimmed  
voltage (see the Selector Guide% or can be adjusted from  
1.25V to 5V with an external resistive-divider.  
Guaranteed 500mA Output Current  
Low 90mV Dropout at 500mA  
±±1 ꢀnꢁtꢁaꢂ Output Aꢃꢃuraꢃc  
Preset Output at ±.5V, ±.8V, 2V, 2.5V, 3.3V, 5V  
Adjustabꢂe Output from ±.25V to 5V  
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.  
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 6-pin UCSP™ package.  
Low ±25µA Ground Current  
0.±µA Shutdown Current  
Thermaꢂ Overꢂoad Proteꢃtꢁon  
Output Current Lꢁmꢁt  
Tꢁnc 840mW 6-Pꢁn UCSP Paꢃkage  
Ordering Information  
PART  
TEMP RANGE  
PꢀN-PACKAGE  
Applications  
MAX1819EBL_ _ -T*  
-40°C to +85°C 6 UCSP  
Notebook Computers  
Cellular and Cordless Telephones  
Personal Digital Assistants (PDAs%  
Palmtop Computers  
Base Stations  
*Insert the desired two-digit suffix (see Selector Guide) into the  
blanks to complete the part number.  
Selector Guide  
PART AND  
SUFFꢀX  
USB Hubs  
V
OUT  
UCSP MARK  
Docking Stations  
MAX1819EBL 15  
MAX1819EBL 18  
MAX1819EBL 20  
MAX1819EBL 25  
MAX1819EBL 33  
MAX1819EBL 50  
1.5V or Adj  
1.8V or Adj  
2V or Adj  
AAH  
AAG  
AAC  
AAD  
AAE  
AAF  
UCSP is a trademark of Maxim Integrated Products, Inc.  
2.5V or Adj  
3.3V or Adj  
5V or Adj  
Pin Configuration  
Typical Operating Circuit  
TOP VIEW  
V
= 2.5V TO 5.5V  
IN  
IN  
(TOP OF PC BOARD/  
BALLS SOLDERED DOWN)  
2
3
1
V
OUT  
IN  
OUT  
IN  
POK  
A2  
SHDN  
A3  
C
OUT  
3.3µF  
C
A
B
C
1µF  
A1  
MAX1819  
R
POK  
100kΩ  
MAX1819  
ON  
TO  
µC  
SHDN  
SET  
POK  
GND  
OUT  
C1  
OFF  
GND  
C3  
SET  
C2  
UCSP  
________________________________________________________________ Maxim Integrated Products  
±
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.  

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