Typical operating characteristics – Rainbow Electronics MAX6869 User Manual
Page 4
NORMALIZED WATCHDOG TIMEOUT PERIOD
vs. TEMPERATURE
MAX6854 toc04
TEMPERATURE (°C)
NORMALIZED t
WD
60
35
10
-15
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.4
-40
85
10
100
1000
MAXIMUM V
CC
TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX684 toc05
RESET THRESHOLD OVERDRIVE (mV)
TRANSIENT DURATION (
µ
s)
1000
0.1
10
1
100
RESET OCCURS ABOVE THIS LINE
V
CC
FALLING FROM V
TH
+100mV
NORMALIZED RESET THRESHOLD VOLTAGE
vs. TEMPERATURE
MAX6854 toc06
TEMPERATURE (°C)
NORMALIZED V
TH
60
35
10
-15
0.995
1.000
1.005
1.010
0.990
-40
85
V
CC
TO RESET DELAY
vs. TEMPERATURE
MAX6854 toc07
TEMPERATURE (°C)
t
RD
(µ
s)
60
35
10
-15
30
40
50
60
70
20
-40
85
V
CC
= V
TH
+ 100mV TO V
TH
- 100mV
MAX6854–MAX6869
Nanopower µP Supervisory Circuits with
Optional Manual Reset, Watchdog Timer
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
CC
= +2.5V, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX6854 toc01
V
CC
(V)
0.1
1.0
10.0
I
CC
(µ
A)
5.0
4.5
3.5 4.0
2.0 2.5 3.0
1.5
1.0
5.5
V
TH
= 2.23V
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
SUPPLY CURRENT
vs. TEMPERATURE
MAX6854 toc02
TEMPERATURE (°C)
I
CC
(µ
A)
60
35
10
-15
0.12
0.14
0.16
0.18
0.20
0.22
0.10
-40
85
RESET IS NOT ASSERTED
V
TH
= 1.575V
V
CC
= 5.5V
V
CC
= 2.5V
V
CC
= 3.3V
V
CC
= 1.8V
NORMALIZED RESET TIMEOUT PERIOD
vs. TEMPERATURE
MAX6854 toc03
TEMPERATURE (°C)
NORMALIZED t
RP
60
35
10
-15
0.99
1.00
1.01
1.02
0.98
-40
85