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參數(shù)資料
| 型號： | MB3793 |
| 廠商： | Fujitsu Limited |
| 英文描述： | POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER |
| 中文描述： | 電源電壓監(jiān)測芯片，帶有看門狗定時器 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 192K |
| 代理商： | MB3793 |
5
MB3793
-42/30
I
STANDARD CONNECTION
RESET
CTW
CTP
C
TP
C
TW
V
CC
MB3793
CK1
CK2
GND
INH
Microprocessor 1
RESET
CK
V
CC
GND
RESET
CK
V
CC
GND
V
CC
Microprocessor 2
Equation of time-setting capacitances (C
TP
and C
TW
) and set time
t
PR
(ms)
≈
A x C
TP
(
μ
F)
t
WD
(ms)
≈
B x C
TW
(
μ
F) + C x C
TP
(
μ
F)
TP
C
TW
However, when C
≤
about 10,
t
WD
(ms)
≈
B x C
TW
(
μ
F)
t
WR
(ms)
≈
D x C
TP
(
μ
F)
(Example) When C
TP
= 0.1
μ
F and C
TW
= 0.01
μ
F,
MB3793-42
t
PR
≈
130 [ms]
t
WD
≈
15 [ms]
t
WR
≈
10 [ms]
MB3793-30
t
PR
≈
75 [ms]
t
WD
≈
16 [ms]
t
WR
≈
5.5 [ms]
Values of A, B, C, and D
B
C
1500
1600
Model No.
A
D
Remark
MB3793-42
MB3793-30
1300
750
3
4
100
55
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|---|---|
| MB3793-27A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Voltage Monitoring IC with Watchdog Timer |
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| MB3793-27APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Power Voltage Monitoring IC with Watchdog Timer |
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