MB3793-45PF-G-BND datasheet(14/18 Pages) FUJITSU

部品番号	MB3793-45PF-G-BND

部品情報	Power Voltage Monitoring IC

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メーカー	FUJITSU [Fujitsu Component Limited.]

ホームページ	http://edevice.fujitsu.com/fmd/en/index.html

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14 / 18 page

MB3793-45

14

s

s TYPICAL APPLICATION

2

3

6

1

8

7

4

5

VCC

CTW*CTP*

GND

INH

GND

VCC

CTP

CTW

RESET

CK1

CK2

RESET

Microprocessor 1

Microprocessor 2

CK

GND

VCC

RESET

CK

GND

VCC

MB3793

1.

Equation of time-setting capacitances (CTP and CTW) and set time

tPR [ms]

A

× CTP [µF]

tWD [ms]

B

× CTW [µF] + C × CTP [µF]

However, when

tWD [ms]

B

× CTW [µF]

tWR [ms]

D

× CTP [µF]

Values of A, B, C, and D

2.

(Example) when CTP = 0.1

µF and CTW = 0.01 µF

ABCD

Remark

1300

1500

3

100

VCC = 5.0 V

time

(ms)

tPR

130

tWD

15

tWR

10

=

.

=

.

≤ about 10,

CTP

CTW

=

.

=

.

=

.

=

.

=

.

*: Use a capacitor with less leakage current.

同様の部品番号 - MB3793-45PF-G-BND

メーカー	部品番号	データシート	部品情報
Fujitsu Component Limit...	MB3793-45PF	187Kb / 28P	POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Cypress Semiconductor	MB3793-45PF	705Kb / 24P	Power-Voltage Monitoring IC with Watchdog Timer Datasheet

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同様の説明 - MB3793-45PF-G-BND

メーカー	部品番号	データシート	部品情報
Fujitsu Component Limit...	MB3793-45	187Kb / 28P	POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Fujitsu Component Limit...	MB3793-42PNF-G	183Kb / 23P	POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Cypress Semiconductor	MB3793-42	293Kb / 24P	Power-Voltage Monitoring IC with Watchdog Timer
Fujitsu Component Limit...	MB3793-42	266Kb / 25P	POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Cypress Semiconductor	MB3793-27D	793Kb / 24P	Power-Voltage Monitoring IC with Watchdog Timer
Shenzhen Huazhimei Semi...	HM1168	676Kb / 10P	Low-power four-channel voltage monitoring IC
Fujitsu Component Limit...	MB3793-27A	305Kb / 25P	Power Voltage Monitoring IC with Watchdog Timer
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Cypress Semiconductor	MB3793-34D	781Kb / 24P	Power-Voltage Monitoring IC with Watchdog Timer