Datasheet > MAX6340_05

MAX6340_05

更新时间： 2024-11-08 05:00:07

品牌	Logo	应用领域
美信 - MAXIM		复位电路
页数	文件大小	规格书
10页	255K
描述
Low-Power, SC70/SOT レP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

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MAX6340_05 数据手册

19-2440; Rev 4; 12/05

Low-Power, SC70/SOT µP Reset Circuits with

Capacitor-Adjustable Reset Timeout Delay

General Description

Features

The MAX6340/MAX6421–MAX6426 low-power micro-

processor supervisor circuits monitor system voltages

from 1.6V to 5V. These devices perform a single function:

♦ Monitor System Voltages from 1.6V to 5V

♦ Capacitor-Adjustable Reset Timeout Period

♦ Low Quiescent Current (1.6µA typ)

♦ Three RESET Output Options

they assert a reset signal whenever the V

supply volt-

age falls below its reset threshold. The reset output

remains asserted for the reset timeout period after V

rises above the reset threshold. The reset timeout is exter-

nally set by a capacitor to provide more flexibility.

Push-Pull RESET

Open-Drain RESET

The MAX6421/MAX6424 have an active-low, push-

pull reset output. The MAX6422 has an active-high,

push-pull reset output and the MAX6340/MAX6423/

MAX6425/MAX6426 have an active-low, open-drain

reset output. The MAX6421/MAX6422/MAX6423 are

offered in 4-pin SC70 or SOT143 packages. The

MAX6340/MAX6424/MAX6425/MAX6426 are available

in 5-pin SOT23-5 packages.

♦ Guaranteed Reset Valid to V

= 1V

♦ Immune to Short V

Transients

♦ Small 4-Pin SC70, 4-Pin SOT143, and 5-Pin SOT23

Packages

♦ MAX6340 Pin Compatible with LP3470

♦ MAX6424/MAX6425 Pin Compatible with

NCP300–NCP303, MC33464/MC33465,

S807/S808/S809, and RN5VD

Applications

♦ MAX6426 Pin Compatible with PST92XX

Portable Equipment

Battery-Powered Computers/Controllers

Automotive

Ordering Information

PART

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

5 SOT23-5

4 SC70-4

Medical Equipment

Intelligent Instruments

Embedded Controllers

Critical µP Monitoring

Set-Top Boxes

MAX6340UK_ _-T

MAX6421XS_ _-T

MAX6421US_ _-T

MAX6422XS_ _-T

MAX6422US_ _-T

MAX6423XS_ _-T

MAX6423US_ _-T

MAX6424UK_ _-T

MAX6425UK_ _-T

MAX6426UK_ _-T

4 SOT143-4

4 SC70-4

4 SOT143-4

4 SC70-4

Computers

4 SOT143-4

5 SOT23-5

Typical Operating Circuit appears at end of data sheet.

Pin Configurations

TOP VIEW

Note: The MAX6340/MAX6421–MAX6426 are available with fac-

tory-trimmed reset thresholds from 1.575V to 5.0V in approxi-

mately 0.1V increments. Insert the desired nominal reset

threshold suffix (from Table 1) into the blanks. There are 50 stan-

dard versions with a required order increment of 2500 pieces.

Sample stock is generally held on standard versions only (see

Standard Versions Table). Required order increment is 10,000

pieces for nonstandard versions. Contact factory for availability.

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

RESET

(RESET)

MAX6421X

MAX6422X

MAX6423X

SRT

GND

SC70

Devices are available in both leaded and lead-free packaging.

Specify lead-free by replacing "-T" with "+T" when ordering.

( ) ARE FOR THE MAX6422

Pin Configurations continued at end of data sheet.

Selector Guide 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...10

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与MAX6340_05相关器件

型号	品牌	获取价格	描述	数据表
MAX6340-T	MAXIM	获取价格	5-Pin uP Supervisory Circuits with Watchdog and Manual Reset
MAX6340UK__-T	MAXIM	获取价格	Low-Power, SC70/SOT レP Reset Circuits with Ca
MAX6340UK16/V+T	MAXIM	获取价格	Power Supply Support Circuit
MAX6340UK16+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.575VV, BICMOS, PDSO5, LEAD FREE, MO-178
MAX6340UK16-T	MAXIM	获取价格	Low-Power, SC70/SOT レP Reset Circuits with Ca
MAX6340UK17+T	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +1.665VV, BICMOS, PDSO5, LEAD FREE, MO-178
MAX6340UK17-T	MAXIM	获取价格	Low-Power SC70/SOT µ.P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay
MAX6340UK18+	MAXIM	获取价格	Low-Power, SC70/SOT µP Reset Circuits with Capacitor-Adjustable Reset Timeout Del
MAX6340UK18-T	MAXIM	获取价格	Low-Power SC70/SOT µ.P Reset Circuits with Capacitor-Adjustable Reset Timeout Delay
MAX6340UK19/V+T	MAXIM	获取价格	Power Supply Support Circuit

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