Datasheet

MAX801L/M/N, MAX808L/M/N
8-Pin µP Supervisory Circuits
with ±1.5% Reset Accuracy
_______________________________________________________________________________________ 5
0
50Ω DRIVER
2
4
6
8
0 50 100
MAX808
CHIP-ENABLE PROPAGATION DELAY
vs. CE OUT LOAD CAPACITANCE
MAX801/808-04
C
LOAD
(pF)
PROPAGATION DELAY (ns)
4.70
4.65
4.60
4.55
4.50
4.45
4.40
-60 -20 60 140
RESET THRESHOLD
vs. TEMPERATURE
MAX801/808-07
TEMPERATURE (°C)
RESET THRESHOLD (V)
20 100-40 40 120080
MAX80_L
MAX80_N
MAX80_M
30
5
-60 -20 60 140
BATT to OUT ON-RESISTANCE
vs. TEMPERATURE
10
25
MAX801/808-05
TEMPERATURE (°C)
V
BATT
TO V
OUT
ON-RESISTANCE (Ω)
20 100-40 40 120080
20
15
V
BATT
= 2.0V
V
BATT
= 2.8V
V
BATT
= 4.5V
V
CC
= 0V
I
OUT
= 10mA
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-60 -20 60 140
V
CC
to OUT ON-RESISTANCE
vs. TEMPERATURE
MAX801/808-06
TEMPERATURE (°C)
V
CC
TO V
OUT
ON-RESISTANCE (Ω)
20 100-40 40 120080
I
OUT
= 250mA
280
260
240
220
200
180
160
140
-60 -20 60 140
RESET TIMEOUT PERIOD
vs. TEMPERATURE (V
CC
RISING)
MAX801/808-08
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
20 100-40 40 120080
0
10
20
30
40
50
60
70
80
-60 -20 60 140
LOWLINE to RESET THRESHOLD
vs. TEMPERATURE (V
CC
FALLING)
MAX801/808-09
TEMPERATURE (°C)
LOWLINE TO RESET THRESHOLD (mV)
20 100-40 40 120080
____________________________Typical Operating Characteristics (continued)
(V
CC
= 5V, V
BATT
= 2.8V, no load, T
A
= +25°C, unless otherwise noted.)
4.75
4.80
4.70
4.65
4.60
4.55
4.50
4.45
4.40
-60 -20 60 140
LOWLINE THRESHOLD
vs. TEMPERATURE (V
CC
RISING)
MAX801/808-10
TEMPERATURE (°C)
LOWLINE THRESHOLD (V)
20 100-40 40 120080
MAX80_L
MAX80_N
MAX80_M
0
5
10
15
20
25
30
35
40
-60 -20 60 140
LOWLINE COMPARATOR PROPAGATION
DELAY vs. TEMPERATURE (V
CC
FALLING)
MAX801/808-11
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
20 100-40 40 120080
V
CC
FALLING AT 1mV/µs
0
5
10
15
20
25
30
35
40
-60 -20 60 140
RESET COMPARATOR PROPAGATION
DELAY vs. TEMPERATURE (V
CC
FALLING)
MAX801/808-12
TEMPERATURE (°C)
PROPAGATION DELAY (µs)
20 100-40 40 120080
V
CC
FALLING AT 1mV/µs