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Part Name
Description
HA1835P View Datasheet(PDF) - Hitachi -> Renesas Electronics
Part Name
Description
Manufacturer
HA1835P
Watchdog Timer
Hitachi -> Renesas Electronics
HA1835P Datasheet PDF : 13 Pages
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HA1835P/HA1848P
5k
Ta = 25
°
C
V
IN
= 12 V
2k
1k
500
Allowable operation
clock pulse duty
cycle
200
AB
100
Duty =
B
A+B
50
30
0
20
40
60
80
100
Clock pulse duty cycle (%)
Figure 7 Clock Pulse Frequency vs. Clock Pulse Duty Cycle
20 k
Ta = 25
°
C
V
IN
= 12 V
Duty = 50%
10 k
5k
System run-away
sense region
2k
1k
500
Normal operation region
200
100
50
System run-away
sense region
20
100 k
200 k
500 k
Resistor Rf (
Ω
)
Figure 8 Clock Pulse Frequency vs. Resistor
11
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