Datasheet > DS1831B/T&R

DS1831B/T&R

更新时间： 2024-02-20 11:32:36

品牌	Logo	应用领域
美信 - MAXIM		光电二极管
页数	文件大小	规格书
16页	253K
描述
Power Supply Support Circuit, Fixed, 4 Channel, PDIP16, 0.300 INCH, PLASTIC, DIP-16

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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

Multisupply Micromonitor

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

C 5V power-on reset

C 3.3V power-on reset

DS1831

C Two referenced comparators with separate

IN_5V

RST_5V

TOL_5V

TD_5V

IN_3.3V

outputs for monitoring additional supplies

RST_3.3V

TOL_3.3V

TD_3.3V

C Internal power is drawn from higher of either

the IN_5Vinput or the IN_3.3Vinput

C Excellent for systems designed to operate

with multiple power supplies

PBRST_5V

IN1

PBRST_3.3V

NMI1

C Asserts resets during power transients

C Pushbutton reset input for system override

IN2

NMI2

C Maintains reset for user configurable times

of 10ms, 100ms, or 1s

GND

MPBRST

C Watchdog timer for software monitoring

16-Pin (300mil) DIP

(DS1831A)

16-Pin (150mil) SO

C Precision temperature-compensated voltage

reference and voltage sensor

C 16 pin DIP and 16 pin 150mil SO available

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

DS1831A

DS1831B

IN_5V

RST_5V

TOL_5V

TD_5V

IN_3.3V

IN_5V

RST_5V

TOL_5V

TD_5V

IN_3.3V

RST_3.3V

TOL_3.3V

TD_3.3V

PBRST_3.3V

NMI1

RST_3.3V

TOL_3.3V

TD_3.3V

PBST

PBRST_5V

IN1

PBRST_5V

IN1

NMI1

WDS

IN2

NMI2

GND

MPBRST

GND

TD_WD

16-Pin (300mil) DIP

16-Pin (150mil) SO

DESCRIPTION

The DS1831 multisupply monitor and reset monitors up to four system voltages: 5V supply, 3.3V (or 3V)

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

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

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

1 of 14

060303

12 3 4 5 6 7...16

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