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MAX6701LKA-

产品描述Supervisory Circuits Microprocessor Supervisors
产品类别半导体    电源管理   
文件大小1MB,共12页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX6701LKA-概述

Supervisory Circuits Microprocessor Supervisors

MAX6701LKA-规格参数

参数名称属性值
产品种类
Product Category
Supervisory Circuits
制造商
Manufacturer
Maxim(美信半导体)
RoHSDetails
系列
Packaging
Cut Tape
工厂包装数量
Factory Pack Quantity
10

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MAX6701-08/
MAX6701A-03A/
MAX6705A-07A
General Description
Low-Voltage, SOT23 µP Supervisors with Power-Fail
In/Out, Manual Reset, and Watchdog Timer
The MAX6701–MAX6708 microprocessor (µP) supervisory
circuits reduce the complexity and components required
to monitor power-supply functions in µP systems. These
devices significantly improve system reliability and accu-
racy compared to separate ICs or discrete components.
The MAX6701−MAX6708 family provides four func-
tions: a reset output during power-up, power-down, and
brownout conditions; an independent watchdog output
that goes low if the watchdog input has not been toggled
within 1.6s; a 0.62V threshold detector for power-fail
warning; and an active-low manual reset input.
The MAX6701–MAX6708 family offers several pinout
options to accommodate a variety of multivoltage micro-
processor supervision applications.
The MAX6701(A)/MAX6702(A)/MAX6703(A) monitor
three supply voltages (one fixed threshold and two
adjustable) to drive a single reset output and include a
manual reset input and a watchdog timer with an inde-
pendent output. The MAX6704 monitors a single-supply
voltage to drive complementary reset outputs and
includes an independent adjustable power-fail-in/power-
fail-out comparator, a manual reset input, and a reset-
based watchdog timer. The MAX6705(A)/MAX6706(A)/
MAX6707(A) monitor a single-supply voltage to drive
a single reset output and include an independent
adjustable power-fail-in/power-fail-out comparator, a
manual reset input, and a watchdog timer with an inde-
pendent output. The MAX6708 is the same as the
MAX6704 but without the watchdog timer function.
See the Detailed Description for differences between
non-A and A versions.
Features
Small 8-Pin SOT23 Package
Precision Monitoring of +5.0V, +3.3V, +3.0V, +2.5V
Supply Voltages
140ms Reset Timeout Delay
Power-Fail Input with Independent Output; Monitor
Inputs Down to 0.62V (MAX6704−MAX6708)
Dual Adjustable Reset Input for Triple-Voltage
Monitoring (MAX6701(A)/MAX6702(A)/MAX6703(A))
1.6s Watchdog Timeout Period
(MAX6701(A)−MAX6707(A))
Independent Watchdog Output
(MAX6701(A)/MAX6702(A)/MAX6703(A)/
MAX6705(A)/MAX6706(A)/MAX6707(A))
Manual Reset Input
Four Reset Output Stage Options
Active Low Push-Pull (MAX6701(A), MAX6705(A))
Active Low Open Drain (MAX6703(A), MAX6707(A))
Active High Push-Pull (MAX6702(A), MAX6706(A))
Dual Active Low/High Push-Pull (MAX6704,
MAX6708)
Guaranteed Reset Valid to V
CC
= 1V
Immune to Short Falling V
CC
Transients
Low Cost, Few External Components
Ordering Information
PART
MAX6701_KA-T
MAX6701A_KA-T
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
8 SOT23
8 SOT23
Applications
Computers
Controllers
Intelligent Instruments
Critical µP Power
Monitoring
White Goods
Networking
Telecommunications
Insert the desired suffix letter (from the Threshold Suffix Guide
table) into the blank to complete the part number. All devices
must be ordered in increments of 2500 pieces. Sample stock is
typically held on standard versions only. Contact factory for
availability.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
Ordering Information continued at end of data sheet.
Pin Configurations
TOP VIEW
MR
1
8
WDO
RESET
(RESET)
WDI
RST_IN2
V
CC
2
GND
3
7
6
5
MAX6701(A)
MAX6702(A)
MAX6703(A)
Typical Operating Circuit and Selector Guide appear at
end of data sheet.
RST_IN1 4
( ) ARE FOR MAX6702(A) ONLY.
SOT23
Pin Configurations continued at end of data sheet.
19-1952; Rev 4; 5/14

 
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