Datasheet > DS1831B/T&R

DS1831B/T&R

更新时间： 2024-02-06 07:52:32

品牌	Logo	应用领域
达拉斯 - DALLAS		光电二极管
页数	文件大小	规格书
14页	74K
描述
Power Supply Support Circuit, Fixed, 4 Channel, PDIP16, 0.300 INCH, DIP-16

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中文翻译

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技术参数
数据手册

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DS1831B/T&R 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	DIP
包装说明：	DIP,	针数：	16
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.29
Base Number Matches：	1

DS1831B/T&R 数据手册

DS1831/A/B

Multi-Supply Micromonitor

www.dalsemi.com

FEATURES

PIN ASSIGNMENT

ꢀ 5 volt power-on reset

DS1831

ꢀ 3.3 (or 3) volt power-on reset

ꢀ 2 referenced comparators with separate

outputs for monitoring additional supplies

ꢀ Internal power is drawn from higher of either

the IN_5Vinput or the IN_3.3Vinput

ꢀ Excellent for systems designed to operate

with multiple power supplies.

ꢀ Asserts resets during power transients

IN_5V

RST_5V

TOL_5V

TD_5V

IN_3.3V

RST_3.3V

TOL_3.3V

TD_3.3V

PBRST_5V

IN1

PBRST_3.3V

NMI1

ꢀ Pushbutton reset input for system override

ꢀ Maintains reset for user configurable times

IN2

NMI2

of 10ms, 100ms, or 1 sec

GND

MPBRST

ꢀ Watchdog timer for software monitoring

16-PIN (300 MIL) DIP

(DS1831A)

16-PIN (150 MIL) SOIC

ꢀ Precision temperature-compensated voltage

reference and voltage sensor

DS1831A

ꢀ 16 pin DIP & 16 pin 150mil SOIC available

ꢀ Operating Temperature of -40°C to +85°C

IN1

NMI1

WDS

TD_WD

GND

DS1831B

TD_5V

PBRST_5V

IN1

TD_3.3V

PBST

NMI1

DESCRIPTION

The DS1831 Multi-Supply Monitor & Reset monitors up to 4 system voltages: 5 volt supply, 3.3 (or 3)

volt supply, and 2 additional user configurable voltage monitors. DS1831 power for internal operation

comes from the higher voltage level of the 3.3 volt input or the 5 volt input. One of these inputs must be

greater than 1 volt for device operation. Pushbutton (manual reset) functionality is provided for the 5 volt

reset, the 3.3 volt reset or for all reset outputs by the master pushbutton. The DS1831A replaces one

reference comparator and the master pushbutton with watchdog and the DS1831B replaces the 3.3V

PBRST with a last reset status output.

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031400

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