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參數(shù)資料
| 型號： | M5295AP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | CAP 10UF 16V ELECT KMG RAD |
| 中文描述： | 看門狗定時(shí)器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 116K |
| 代理商： | M5295AP |
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6
ELECTRIC
MITSUBISHI
M5295AL/P/FP
MITSUBISHI<Dig.Ana.INTERFACE>
WATCHDOG TIMER
8
5
4
6
7
3
2
1
8
5
4
6
7
3
2
1
M5295AL
M5295AL
V
DD
MCU/MPU
CLOCK
RST1
(RESET)
RST2
(HOLD)
Example of Backup Circuit with M5295AL
(2)Detection voltage 2(V
TH
2(L))adjustment
+
-
51.2k
18.8k
1.24V
4
7
6
5
R3
R4
R
L
APPLICATION EXAMPLE
OPERATION INSTRUCTIONS
1.When malfunction occurs due to noise or other related
trouble,connect capacitance of approximately 1000pF
between pin 5 and GND as well as pin 8 and GND to
stabilize operation.
2.To adjust detection voltage,add resistance of 15k
or less to both Vcc and GND via adjusting pins.
(Set detection voltage to no less than 3V.)
3.Set t
WD
and tRST(2) as shown below:
110μs
≤
t
WD
≤
1.1s
8.3μs
≤
t
RST
(2)
≤
83ms
10k
≤
R1
≤
30k
4.Input clock pulses to pin 1 via capacitor.To determine
capacitance,refer to "Relationship between Input Pulse
Width and Input Capacitance Cin".
RESET
OUTPUT
R3
Backup switching voltage
VTH(L)
Switching voltage calculation formula
R4
10K
3.5V
BACKUP POWER SUPPLY
Vcc
R3(k
)
10
10
10
10
R4(k
)
0.93
1.26
1.99
3.24
Detection voltage calculation formula
10.61
8.38
5
5
16.3
16.3
16.3
16.3
100
17.2
14.1
V
TH
2(L)=
R04
R03+R04
X1.24(V)
R
03
=R3//51.2k
R
04
=R4//18.8k
VTH2(L)(V)
13
10
7
5
4.6
4
3.5
VTH2(mV)
V
TH
2=
51.2k
R03
X100(mV)
To adjust detection voltage 2,determine external resistance
with the following equations:
a. V
TH
2(L)>4.6V(R3=10k
)
b. V
TH
2(L)<4.6V(R4=5k
)
R4=
R0
1
-
18.8k
1
1
R3=
R0
1
-
51.2k
1
1
R0=
V
TH
2(L)-1.24
8.37kX1.24
R0=
1.24
(V
TH
2(L)-1.24)3.95k
V
TH
2(L)=
R04
R03+R04
X1.24
R
03
=R3//51.2k
R
04
=R4//18.8k
(Note)Set backup switching voltage to be more
than or equal to backup supply voltage.
TO SYSTEM
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|---|---|
| M5295 | JIGH RELIABILITY CURRENT REGULATOR DIODES |
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| M5296 | JIGH RELIABILITY CURRENT REGULATOR DIODES |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M5295L | 制造商:Renesas Electronics Corporation 功能描述: |
| M5296 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:JIGH RELIABILITY CURRENT REGULATOR DIODES |
| M5296FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:+5V CONSTANT-VOLTAGE POWER SUPPLY INCORPORATED WATCHDOG TINER IC |
| M5297 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:JIGH RELIABILITY CURRENT REGULATOR DIODES |
| M52979F | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:2-CHANNEL SPD SENSOR BUILT-IN DETECT AMOUNT OF LIGHT |
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