Datasheet > MAX1725-MAX1726

MAX1725-MAX1726

更新时间： 2024-09-17 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-MAX1726 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-MAX1726相关器件

型号	品牌	获取价格	描述	数据表
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
MAX17260	ADI	获取价格	5.1μA、ModelGauge m5 EZ单节电池电量计，提供高边电流检测选项
MAX17261	ADI	获取价格	5.1μA、ModelGauge m5 EZ多节电池电量计
MAX17262	ADI	获取价格	5.2μA、ModelGauge m5 EZ单节电池电量计，内置电流检测
MAX17263	ADI	获取价格	ModelGauge m5 EZ单节/多节电池电量计，集成LED控制
MAX17263LETD+	MAXIM	获取价格	Power Supply Support Circuit,
MAX1726EUK18-T	MAXIM	获取价格	12V, Ultra-Low IQ, Low-Dropout Linear Regulators
MAX1726EUK25+T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.6V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
MAX1726EUK25-T	MAXIM	获取价格	12V, Ultra-Low IQ, Low-Dropout Linear Regulators

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