MAX1725

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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MAX1725 数据手册

19-1680; Rev 1; 2/03

12V, Ultra-Low I , Low-Dropout

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

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)

OUTPUT

1.5V TO 5V

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

SHDN

GND

OFF

Pin Configuration appears at end of data sheet.

________________________________________________________________ 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.

12 3 4 5 6 7

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与MAX1725相关器件

型号	品牌	获取价格	描述	数据表
MAX17250	MAXIM	获取价格	2.7V to 18V Input, Boost Converter with 0.1Î¼
MAX17250	ADI	获取价格	2.7V至18V输入、Boost转换器，具有0.1uA真关断、短路保护和可选输入限流
MAX17250ANC	MAXIM	获取价格	2.7V to 18V Input, Boost Converter with 0.1Î¼
MAX17250ANC+	MAXIM	获取价格	Switching Regulator,
MAX17250ATD	MAXIM	获取价格	2.7V to 18V Input, Boost Converter with 0.1Î¼
MAX1725EUK+T	MAXIM	获取价格	Adjustable Positive LDO Regulator, 1.5V Min, 5V Max, 0.6V Dropout, CMOS, PDSO5, SOT-23, 5
MAX1725EUK-T	MAXIM	获取价格	12V, Ultra-Low IQ, Low-Dropout Linear Regulators
MAX1725-MAX1726	MAXIM	获取价格	12V, Ultra-Low IQ, Low-Dropout Linear Regulators
MAX1726	MAXIM	获取价格	12V, Ultra-Low IQ, Low-Dropout Linear Regulators
MAX1726	ADI	获取价格	12V、超低IQ、低压差线性稳压器

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