MAX6339BUT

更新时间： 2024-11-07 23:49:55

品牌	Logo	应用领域
美信 - MAXIM		模拟IC
页数	文件大小	规格书
9页	173K
描述
Analog IC

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MAX6339BUT 数据手册

19-1756; Rev 1; 7/01

Quad Voltage µP Supervisory Circuit

in SOT Package

General Description

Features

The MAX6339 is a precision quad voltage monitor with

microprocessor (µP) supervisory reset timing. The device

can monitor up to four system supply voltages without

any external components and asserts a single reset if any

supply voltage drops below its preset threshold. The

device significantly reduces system size and component

count while improving reliability compared to separate

ICs or discrete components.

o Monitors Four Power-Supply Voltages

o Precision Factory-Set Reset Threshold Options

for +5.0V, +3.3V, +3.0, +2.5V, +1.8V, and -5.0V

Supplies

o User-Adjustable Voltage Monitoring Threshold

Options

o Low 55µA Supply Current

A variety of factory-trimmed threshold voltages are avail-

able to accommodate different supply voltages and toler-

ances with minimal external component requirements.

The selection includes internally fixed options for monitor-

ing +5.0V, +3.3V, +3.0V, +2.5V, +1.8V, and -5.0V sup-

plies with -5% and/or -10% tolerances. The device is also

available with one or two user-adjustable threshold

options if non-standard thresholds are desired (use exter-

nal resistor-divider network).

o Open-Drain RESET Output with 10µA Internal

Pull-Up

o 140ms (min) Reset Timeout Period

o RESET Valid to IN1 = 1V or IN2 = 1V

o Immune to Short Monitored Supply Transients

o No External Components Required

o Guaranteed from -40°C to +85°C

o Small 6-Pin SOT23 Package

The quad monitor provides a single active-low reset out-

put that is asserted when any monitored input is below its

associated threshold. The output is open drain with a

weak internal pull-up (10µA) to IN2. Reset remains low for

a reset timeout period (140ms min) after all voltages are

above the selected thresholds. The output is valid as long

as either the IN1 or IN2 input voltage remains >1V.

Ordering Information

The MAX6339 is available in a small 6-pin SOT23 pack-

age and operates over the extended (-40°C to +85°C)

temperature range.

PART

TEMP. RANGE

PIN-PACKAGE

MAX6339_UT-T*

-40°C TO +85°C

6 SOT23-6

________________________Applications

*Insert the desired letter from the Selector Guide into the blank

to complete the part number. There is a 2500 piece minimum

order increment requirement on the SOT package and these

devices are available in tape-and-reel only.

Telecommunications

High-End Printers

Desktop and Network Computers

Data Storage Equipment

Networking Equipment

Industrial Equipment

Set-Top Boxes

Typical Operating Circuit

MAX6339

IN1

SUPPLIES

IN2

TO BE

µP

RESET

MONITORED

IN3

IN4

GND

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...9

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与MAX6339BUT相关器件

型号	品牌	获取价格	描述	数据表
MAX6339BUT+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO6, LEAD FREE, MO-178AB, S
MAX6339BUT+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO6, MO-178AB, SOT-23, 6 PI
MAX6339BUT-T	MAXIM	获取价格	Analog IC
MAX6339CUT	MAXIM	获取价格	Analog IC
MAX6339CUT+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO6, MO-178AB, SOT-23, 6 PI
MAX6339CUT-T	MAXIM	获取价格	Analog IC
MAX6339DUT	MAXIM	获取价格	Analog IC
MAX6339DUT+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 4 Channel, BICMOS, PDSO6, MO-178AB, SOT-23, 6 PI
MAX6339DUT-T	MAXIM	获取价格	Analog IC
MAX6339EUT	MAXIM	获取价格	Analog IC

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