Datasheet > DS1831C

DS1831C

更新时间： 2023-12-20 18:45:42

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
15页	191K
描述
3.3V/2.5V、多电源MicroMonitor

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DS1831C 数据手册

DS1831C/D/E

3.3V/2.5V Multisupply MicroMonitor

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

C 2.5V power-on reset

C 3.3V power-on reset

DS1831C

C Two referenced comparators with separate

IN_2.5V

RST_2.5V

TOL_2.5V

TD_2.5V

PBRST_2.5V

IN1

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_2.5Vinput or the IN_3.3Vinput

C Excellent for systems designed to operate

with multiple power supplies

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

(DS1831D)

C Precision temperature-compensated voltage

16-Pin (150mil) SO

reference and voltage sensor

C 16-pin DIP and 16-pin 150mil SO available

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

DS1831D

DS1831E

IN_2.5V

RST_2.5V

TOL_2.5V

TD_2.5V

PBRST_2.5V

IN1

IN_3.3V

IN_2.5V

RST_2.5V

TOL_2.5V

TD_2.5V

PBRST_2.5V

IN1

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

NMI1

WDS

IN2

NMI2

GND

TD_WD

GND

MPBRST

16-Pin (300mil) DIP

16-Pin (150mil) SO

DESCRIPTION

The DS1831C multisupply monitor and reset monitors up to four system voltages: 2.5V 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 2.5V input. One of these inputs must be

greater than 1V for device operation. Pushbutton (manual reset) functionality is provided for the 2.5V

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