MAX6751KA16-T

更新时间： 2024-11-09 13:01:11

品牌	Logo	应用领域
美信 - MAXIM		电源电路电源管理电路复位电路光电二极管信息通信管理
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14页	213K
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数据手册

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MAX6751KA16-T 数据手册

19-2530; Rev 2; 8/03

µP Reset Circuits with Capacitor-Adjustable

Reset/Watchdog Timeout Delay

General Description

Features

The MAX6746–MAX6753 low-power microprocessor

(µP) supervisory circuits monitor single/dual system

supply voltages from 1.575V to 5V and provide maxi-

mum adjustability for reset and watchdog functions.

ꢀ Factory-Set Reset Threshold Options from 1.575V

to 5V in ~100mV Increments

ꢀ Adjustable Reset Threshold Options

ꢀ Single/Dual Voltage Monitoring

These devices assert a reset signal whenever the V

supply voltage or RESET IN falls below its reset thresh-

old or when manual reset is pulled low. The reset output

ꢀ Capacitor-Adjustable Reset Timeout

ꢀ Capacitor-Adjustable Watchdog Timeout

ꢀ Min/Max (Windowed) Watchdog Option

ꢀ Manual Reset Input Option

remains asserted for the reset timeout period after V

and RESET IN rise above the reset threshold. The reset

function features immunity to power-supply transients.

The MAX6746–MAX6753 have ±±2 factory-trimmed

reset threshold voltages in approximately 100mV incre-

ments from 1.575V to 5.0V and/or adjustable reset

threshold voltages using external resistors.

ꢀ Guaranteed RESET Valid for V

ꢀ 3.7µA Supply Current

≥ 1V

The reset and watchdog delays are adjustable with

external capacitors. The MAX6746–MAX6751 contain a

watchdog select input that extends the watchdog time-

out period by 1±8x. The MAX675±/MAX6753 contain a

window watchdog timer that looks for activity outside an

expected window of operation.

ꢀ Push-Pull or Open-Drain RESET Output Options

ꢀ Power-Supply Transient Immunity

ꢀ Small 8-Pin SOT23 Packages

Ordering Information

The MAX6746–MAX6753 are available with a push-pull

or open-drain active-low RESET output. The MAX6746–

MAX6753 are available in an 8-pin SOT±3 package and

are fully specified over the automotive temperature

range (-40°C to +1±5°C).

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

8 SOT23-8

MAX6746KA_ _-T

MAX6747KA_ _-T

MAX6748KA-T

Applications

MAX6749KA-T

MAX6750KA_ _-T

MAX6751KA_ _-T

MAX6752KA_ _-T

MAX6753KA_ _-T

Medical Equipment

Automotive

Embedded Controllers

Critical µP Monitoring

Set-Top Boxes

Intelligent Instruments

Portable Equipment

Computers

Note: “_ _” represents the two number suffix needed when

ordering the reset threshold voltage value for the

Battery-Powered

Computers/Controllers

MAX6746/MAX6747 and MAX6750–MAX6753. The reset

threshold voltages are available in approximately 100mV incre-

ments. Table 2 contains the suffix and reset factory-trimmed

voltages. All devices are available in tape-and-reel only. There

is a 2500-piece minimum order increment for standard ver-

sions (see Table 3). Sample stock is typically held on standard

versions only. Nonstandard versions require a minimum order

increment of 10,000 pieces. Contact factory for availability.

Pin Configurations

TOP VIEW

RESET IN (MR)

SWT

RESET

WDI

MAX6746–

MAX6751

SRT

GND

WDS

Selector Guide appears at end of data sheet.

Typical Operating Circuit appears at end of data sheet.

SOT23-8

( ) ARE FOR MAX6746 AND MAX6747 ONLY.

Pin Configurations continued 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...14

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与MAX6751KA16-T相关器件

型号	品牌	获取价格	描述	数据表
MAX6751KA17/V+T	MAXIM	获取价格	Power Management Circuit, Adjustable, 2 Channel, BICMOS, PDSO8, SOT-23, 8 PIN
MAX6751KA17+	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-2
MAX6751KA18	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8 PIN
MAX6751KA19+	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-2
MAX6751KA20+	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-2
MAX6751KA21	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8 PIN
MAX6751KA21+	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-2
MAX6751KA22+	MAXIM	获取价格	Power Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-2
MAX6751KA23	MAXIM	获取价格	UP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay
MAX6751KA23/V+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 2 Channel, BICMOS, PDSO8, SOT-23, 8 PIN

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