Datasheet > MAX6735AKAMRD3+T

MAX6735AKAMRD3+T

更新时间： 2024-10-28 04:48:19

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
16页	460K
描述
Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA, SOT-23, 8 PIN

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MAX6735AKAMRD3+T 数据手册

19-0605; Rev 0; 8/06

Single-/Dual-/Triple-Voltage µP Supervisory

Circuits with Independent Watchdog Output

General Description

Features

♦ V 1 (Primary Supply) Reset Threshold Voltages

The MAX6730A–MAX6735A single-/dual-/triple-voltage

microprocessor (µP) supervisors feature a watchdog

timer and manual reset capability. The MAX6730A–

MAX6735A offer factory-set reset thresholds for moni-

toring voltages from +0.9V to +5V and an adjustable

reset input for monitoring voltages down to +0.63V. The

combination of these features significantly improves

system reliability and accuracy when compared to sep-

arate ICs or discrete components.

from +1.575V to +4.63V

♦ V 2 (Secondary Supply) Reset Threshold

Voltages from +0.79V to +3.08V

♦ Adjustable RSTIN Threshold for Monitoring Voltages

Down to +0.63V (MAX6734A/MAX6735A Only)

♦ Six Reset Timeout Options

♦ Watchdog Timer with Independent Watchdog Output

35s (min) Initial Watchdog Startup Period

The active-low reset output asserts and remains asserted

for the reset timeout period after all the monitored volt-

ages exceed their respective thresholds. Multiple factory-

set reset threshold combinations reduce the number of

external components required. The MAX6730A/

MAX6731A monitor a single fixed voltage, the MAX6732A/

MAX6733A monitor two fixed voltages, and the

MAX6734A/MAX6735A monitor two fixed voltages and one

adjustable voltage. All devices are offered with six mini-

mum reset timeout periods ranging from 1.1ms to 1120ms.

1.12s (min) Normal Watchdog Timeout Period

♦ Manual Reset Input (MAX6730A/MAX6731A/

MAX6734A/MAX6735A)

♦ Guaranteed Reset Valid down to

1 or V 2 = +0.8V

♦ Push-Pull RESET or Open-Drain RESET Output

♦ Immune to Short V Transients

The MAX6730A–MAX6735A feature a watchdog timer

with an independent watchdog output. The watchdog

timer prevents system lockup during code execution

errors. A watchdog startup delay of 54s after reset

asserts allows system initialization during power-up.

The watchdog operates in normal mode with a 1.68s

delay after initialization. The MAX6730A/MAX6732A/

MAX6734A provide an active-low, open-drain watch-

dog output. The MAX6731A/MAX6733A/MAX6735A

provide an active-low, push-pull watchdog output.

♦ Low Supply Current: 14µA (typ) at +3.6V

♦ Small 6-Pin and 8-Pin SOT23 Packages

Ordering Information

PART*

PIN-PACKAGE

6 SOT23-6

8 SOT23-8

PKG CODE

U6-1

MAX6730AUT_D_ -T

MAX6731AUT_D_ -T

MAX6732AUT_ _D_ -T

MAX6733AUT_ _D_ -T

MAX6734AKA_ _D_ -T

MAX6735AKA_ _D_ -T

U6-1

Other features include a manual reset input (MAX6730A/

MAX6731A/MAX6734A/MAX6735A) and push-pull reset

output (MAX6731A/MAX6733A/MAX6735A) or open-

drain reset output (MAX6730A/MAX6732A/MAX6734A).

The MAX6730A–MAX6733A are offered in a tiny 6-pin

SOT23 package. The MAX6734A/MAX6735A are offered

in an 8-pin, space-saving SOT23 package. All devices

are fully specified over the extended -40°C to +125°C

temperature range.

U6-1

K8S-3

All devices specified over the -40°C to +125°C operating tem-

perature range.

*Note: Insert the threshold level suffixes for V 1 and V

(Table 1) after “UT” or “KA.” For the MAX6730A/MAX6731A,

Applications

Multivoltage Systems

Telecom/Networking Equipment

Computers/Servers

Portable/Battery-Operated Equipment

Industrial Equipment

Printer/Fax

insert only the V 1 threshold suffix after the “UT.” Insert the

reset timeout delay (Table 2) after “D” to complete the part num-

ber. For example, the MAX6732AUTLTD3-T provides a V

threshold of +4.625V, a V 2 threshold of +3.075V, and a

210ms reset timeout period. Sample stock is generally held on

standard versions only (see the Standard Versions table).

Standard versions have an order increment requirement of 2500

pieces. Nonstandard versions have an order increment require-

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

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

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

Set-Top Boxes

Typical Operating Circuit and Pin Configurations appear 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...16

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与MAX6735AKAMRD3+T相关器件

型号	品牌	获取价格	描述	数据表
MAX6735AKAMRD3-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8
MAX6735AKAMRD4-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8
MAX6735AKAMRD6+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA
MAX6735AKAMRD6-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8
MAX6735AKAMSD1+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA
MAX6735AKAMSD1-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8
MAX6735AKAMSD2+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA
MAX6735AKAMSD2-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8
MAX6735AKAMSD3+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, LEAD FREE, MO-178BA
MAX6735AKAMSD4-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-178BA, SOT-23, 8

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