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MAX6733AUTVDD3+T
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
MAX6730A–MAX6735A
Single-/Dual-/T
riple-V
oltage µP Super
visor
y
Cir
cuits with Independent W
atchdog Output
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
1 = V
CC
2 = +0.8V to +5.5V, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER
SYM
B
O
L
CONDITIONS
MIN
TYP
MAX
UNITS
WATCHDOG INPUT
t
WD-L
First watchdog period after reset
timeout period
35
54
72
Watchdog Timeout Period
t
WD-S
Normal mode
1.12
1.68
2.24
s
WDI Pulse Width
t
WDI
(Note 2)
50
ns
V
IL
0.3
×
V
CC
1
WDI Input Voltage
V
IH
0.7
×
V
CC
1
V
WDI Input Current
I
WDI
WDI = 0V or V
CC
1-
1
+
1
µ
A
RESET/WATCHDOG OUTPUT
V
CC
1 or V
CC
2
≥
+0.8V,
I
SINK
= 1µA, output asserted
0.3
V
CC
1 or V
CC
2
≥
+1.0V,
I
SINK
= 50µA, output asserted
0.3
V
CC
1 or V
CC
2
≥
+1.2V,
I
SINK
= 100µA, output asserted
0.3
V
CC
1 or V
CC
2
≥
+2.7V,
I
SINK
= 1.2mA, output asserted
0.3
RST
/
WDO
Output Low Voltage
(Push-Pull or Open Drain)
V
OL
V
CC
1 or V
CC
2
≥
+4.5V,
I
SINK
= 3.2mA, output asserted
0.4
V
V
CC
1
≥
+1.8V, I
SOURCE
= 200µA,
output not asserted
0.8
×
V
CC
1
V
CC
1
≥
+2.7V, I
SOURCE
= 500µA,
output not asserted
0.8
×
V
CC
1
RST
/
WDO
Output High Voltage
(Push-Pull Only)
V
OH
V
CC
1
≥
+4.5V, I
SOURCE
= 800µA,
output not asserted
0.8
×
V
CC
1
V
RST
/
WDO
Output Open-Drain
Leakage Current
Output not asserted
0.5
µA
Note 1:
Devices tested at T
A
= +25°C. Overtemperature limits are guaranteed by design and not production tested.
Note 2:
Parameter guaranteed by design.
MAX6730A–MAX6735A
Single-/Dual-/T
riple-V
oltage µP Super
visor
y
Cir
cuits with Independent W
atchdog Output
_______________________________________________________________________________________
5
0
4
2
10
8
6
16
14
12
20
18
-40
20
-10
50
-25
35
58
0
65
95
110
125
SUPPLY CURRENT vs. TEMPERATURE
(V
CC
1 = +5V, V
CC
2 = +3.3V)
MAX6730A-35A toc01
TEMPERATURE (
°
C)
SUPPLY CURRENT (
µ
A)
TOTAL
I
CC
1
I
CC
2
0
4
2
10
8
6
16
14
12
20
18
-40
20
-10
50
-25
35
58
0
65
95
110
125
SUPPLY CURRENT vs. TEMPERATURE
(V
CC
1 = +3.3V, V
CC
2 = +2.5V)
MAX6730A-35A toc02
TEMPERATURE (
°
C)
SUPPLY CURRENT (
µ
A)
TOTAL
I
CC
1
I
CC
2
0
4
2
10
8
6
16
14
12
20
18
-40
20
-10
50
-25
35
58
0
65
95
110
125
SUPPLY CURRENT vs. TEMPERATURE
(V
CC
1 = +2.5V, V
CC
2 = +1.8V)
MAX6730A-35A toc03
TEMPERATURE (
°
C)
SUPPLY CURRENT (
µ
A)
TOTAL
I
CC
1
I
CC
2
0
4
2
10
8
6
16
14
12
20
18
-40
20
-10
50
-25
35
58
0
65
95
110
125
SUPPLY CURRENT vs. TEMPERATURE
(V
CC
1 = +1.8V, V
CC
2 = +1.2V)
MAX6730A-35A toc04
TEMPERATURE (
°
C)
SUPPLY CURRENT (
µ
A)
TOTAL
I
CC
1
I
CC
2
0.998
1.000
0.999
1.003
1.002
1.001
1.006
1.005
1.004
1.008
1.007
-40
20
-10
50
-25
35
58
0
65
95
110
125
NORMALIZED THRESHOLD VOLTAGE
vs. TEMPERATURE
MAX6730A-35A toc05
TEMPERATURE (
°
C)
NORMALIZED THRESHOLD VOLTAGE
T
ypical Operating Characteristics
(V
CC
1 = +5V, V
CC
2 = +3.3V, T
A
= +25°C, unless otherwise noted.)
MAX6730A–MAX6735A
Single-/Dual-/T
riple-V
oltage µP Super
visor
y
Cir
cuits with Independent W
atchdog Output
6
_______________________________________________________________________________________
T
ypical Operating Characteristics (continued)
(V
CC
1 = +5V, V
CC
2 = +3.3V, T
A
= +25°C, unless otherwise noted.)
12
14
20
18
16
24
22
-40
20
-10
50
-25
35
58
0
65
95
110
125
RSTIN TO RESET OUTPUT DELAY
vs. TEMPERATURE
MAX6730A-35A toc10
TEMPERATURE (
°
C)
RSTIN RESET OUTPUT DELAY (
µ
s)
MAXIMUM V
CC_
TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX6730A-35A toc07
RESET THRESHOLD OVERDRIVE (mV)
MAXIMUM V
CC_
TRANSIENT DURATION (
µ
s)
10
100
100
1000
10,000
10
11
000
RST ASSERTS
ABOVE THIS LINE
MR TO RESET OUTPUT DELAY
MAX6730A-35A toc08
40ns/div
MR
2V/div
RST
2V/div
10
12
11
15
14
13
18
17
16
20
19
-40
20
-10
50
-25
35
58
0
65
95
110
125
V
CC_
TO RESET OUTPUT DELAY
vs. TEMPERATURE
MAX6730A-35A toc09
TEMPERATURE (
°
C)
V
CC_
TO RESET OUTPUT DELAY (
µ
s)
75mV OVERDRIVE
0.980
0.988
0.984
1.000
0.996
0.992
1.012
1.008
1.004
1.020
1.016
-40
20
-10
50
-25
35
58
0
65
95
110
125
NORMALIZED TIMEOUT PERIOD
vs. TEMPERATURE
MAX6730A-35A toc06
TEMPERATURE (
°
C)
NORMALIZED TIMEOUT PERIOD
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
MAX6733AUTVDD3+T
Mfr. #:
Buy MAX6733AUTVDD3+T
Manufacturer:
Maxim Integrated
Description:
Supervisory Circuits Dual uPower Superviso
Lifecycle:
New from this manufacturer.
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