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MAX1726EUK18-T PDF预览

MAX1726EUK18-T

更新时间： 2024-11-19 22:57:59
品牌 Logo 应用领域
美信 - MAXIM 稳压器
页数 文件大小 规格书
7页 153K
描述
12V, Ultra-Low IQ, Low-Dropout Linear Regulators

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MAX1726EUK18-T 数据手册

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19-1680; Rev 1; 2/03  
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.  
ꢀ 2µA Supply Current  
ꢀ Reverse-Battery Protection  
ꢀ +2.5V to +12V Input Voltage Range  
ꢀ Fixed 1.8V, 2.5V, 3.3V, and 5V Output Voltages  
(MAX1726)  
ꢀ Adjustable 1.5V to 5V Output Voltages (MAX1725)  
ꢀ 20mA Guaranteed Output Current  
ꢀ 1.5% Output Voltage Accuracy  
ꢀ Small 1µF Output Capacitor  
ꢀ 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.  
ꢀ 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.  
ꢀ Tiny 5-Pin SOT23 Package  
Ordering Information  
________________________Applications  
Smoke Detectors  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
Remote Transmitters  
MAX1725EUK-T  
-40°C to +85°C  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
5 SOT23-5  
ADNK  
ADNL  
ADNM  
ADNN  
ADNO  
Smart Battery Packs  
MAX1726EUK18-T -40°C to +85°C  
MAX1726EUK25-T -40°C to +85°C  
MAX1726EUK33-T -40°C to +85°C  
Industrial Control Systems  
Microcontroller Power  
Real-Time Clock Backup Power  
PDAs and Handy-Terminals  
Battery-Powered Alarms  
MAX1726EUK5-T  
-40°C to +85°C  
Note: See the Selector Guide for the MAX1725/MAX1726 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  
2.5V TO 12V  
MAX1725EUK-T  
MAX1726EUK18-T  
MAX1726EUK25-T  
MAX1726EUK33-T  
MAX1726EUK50-T  
Adj 1.5 to 5.0  
Fixed 1.8  
Fixed 2.5  
Fixed 3.3  
Fixed 5.0  
MAX1726  
ON  
SHDN  
GND  
OFF  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ 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

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