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MAX1725

更新时间： 2024-11-21 14:57:43
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亚德诺 - ADI 稳压器
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8页 242K
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12V、超低IQ、低压差线性稳压器

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MAX1725 数据手册

 浏览型号MAX1725的Datasheet PDF文件第2页浏览型号MAX1725的Datasheet PDF文件第3页浏览型号MAX1725的Datasheet PDF文件第4页浏览型号MAX1725的Datasheet PDF文件第5页浏览型号MAX1725的Datasheet PDF文件第6页浏览型号MAX1725的Datasheet PDF文件第7页 
MAX1725/MAX1726  
12V, Ultra-Low I , Low-Dropout  
Q
Linear Regulators  
General Description  
Features  
The MAX1725/MAX1726 are ultra-low supply current,  
low-dropout linear regulators intended for low-power  
applications that demand the longest possible battery  
life. Unlike inferior PNP-based designs, the MAX1725/  
MAX1726s’ PMOS pass elements maintain an ultra-low  
2µA supply current throughout their entire operating  
range and in dropout. Despite their ultra-low power  
consumption, the MAX1725/MAX1726 have tight output  
accuracy (1.5%) and require just 1µF output capacitance  
to achieve good load-transient response.  
o 2µA Supply Current  
o Reverse-Battery Protection  
o +2.5V to +12V Input Voltage Range  
o Fixed 1.8V, 2.5V, 3.3V, and 5V Output Voltages  
(MAX1726)  
o Adjustable 1.5V to 5V Output Voltages (MAX1725)  
o 20mA Guaranteed Output Current  
o 1.5% Output Voltage Accuracy  
o Small 1µF Output Capacitor  
o Short-Circuit Protection  
These regulators have a wide input voltage range  
(+2.5V to +12V), making them excellent choices for  
systems powered from two lithium-ion (Li+) cells and 9V  
batteries. Other features include reverse-battery protec-  
tion, short-circuit protection, and thermal protection.  
o Thermal Protection  
The MAX1725 provides an adjustable 1.5V to 5V output  
using an external resistor-divider. The MAX1726 pro-  
vides factory preset 1.8V, 2.5V, 3.3V, or 5V output volt-  
ages (see the Ordering Information). Both devices are  
available in a tiny 5-pin SOT23 package.  
o Tiny 5-Pin SOT23 Package  
Ordering Information  
PIN-  
TOP  
PART  
TEMP RANGE  
PACKAGE MARK  
________________________Applications  
MAX1725EUK+T  
MAX1726EUK18+T  
MAX1726EUK25+T  
-40°C to +85°C 5 SOT23  
-40°C to +85°C 5 SOT23  
-40°C to +85°C 5 SOT23  
ADNK  
ADNL  
ADNM  
AFMN  
ADNN  
ADNO  
Smoke Detectors  
Remote Transmitters  
MAX1726EUK25/V+T -40°C to +85°C 5 SOT23  
Smart Battery Packs  
MAX1726EUK33+T  
MAX1726EUK50+T  
-40°C to +85°C 5 SOT23  
-40°C to +85°C 5 SOT23  
Industrial Control Systems  
Microcontroller Power  
Real-Time Clock Backup Power  
PDAs and Handy-Terminals  
Battery-Powered Alarms  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
/V denotes an automotive-qualified part.  
Note: See the Selector Guide for the output options as they relate  
to the part number suffix.  
Typical Operating Circuit  
Selector Guide  
OUTPUT VOLTAGE  
PART  
(V)  
V
OUTPUT  
1.5V TO 5V  
IN  
IN  
OUT  
MAX1725EUK+T  
MAX1726EUK18+T  
MAX1726EUK25+T  
MAX1726EUK25/V+T  
MAX1726EUK33+T  
MAX1726EUK50+T  
Adj 1.5 to 5.0  
Fixed 1.8  
Fixed 2.5  
Fixed 2.5  
Fixed 3.3  
Fixed 5.0  
2.5V TO 12V  
MAX1726  
ON  
SHDN  
GND  
OFF  
Pin Configuration appears at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-1680; Rev 2; 11/12  
12345678

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