Datasheet

MAX690T/S/R, 704T/S/R, 802T/S/R, 804–806T/S/R
3.0V/3.3V Microprocessor Supervisory Circuits
_______________________________________________________________________________________ 5
5
0
–60 –20 60 140
V
CC
-to-V
OUT
ON-RESISTANCE
vs. TEMPERATURE
1
4
MAX690-806 TOC01
TEMPERATURE (°C)
V
CC
-to-V
OUT
ON-RESISTANCE (Ω)
20 100–40 0 8040 120
3
2
V
CC
= 5V
V
CC
= 3.3V
V
CC
= 2.5V
VBATT = 3.0V
180
20
–60 –20 60 140
VBATT-to-V
OUT
ON-RESISTANCE
vs. TEMPERATURE
60
MAX690-806 TOC02
TEMPERATURE (°C)
VBATT-to-V
OUT
ON-RESISTANCE (Ω)
20 100–40 0 8040 120
140
100
V
CC
= 0V
VBATT = 3.3V
VBATT = 3V
VBATT = 2V
VBATT = 5V
50
25
–60 –20 60 140
SUPPLY CURRENT
vs. TEMPERATURE
30
45
MAX690-806 TOC03
TEMPERATURE (°C)
SUPPLY CURRENT (μA)
20 100–40 0 8040 120
40
35
V
CC
= 5V
V
CC
= 3.3V
V
CC
= 2.5V
VBATT = 3V
PFI = GND
MR/WDI FLOATING
10,000
0.1
–60 –20 60 140
BATTERY SUPPLY CURRENT
vs. TEMPERATURE
1
1000
MAX690-806 TOC04
TEMPERATURE (°C)
BATTERY SUPPLY CURRENT (nA)
20 100–40 0 8040 120
100
10
VBATT = 3V
VBATT = 5V
VBATT = 2V
V
CC
= 0V
PFI = GND
1.240
1.230
–60 –20 60 140
PFI THRESHOLD
vs. TEMPERATURE
1.232
1.238
MAX690-806 TOC07
TEMPERATURE (°C)
PFI THRESHOLD (V)
20 100–40 0 8040 120
1.236
1.234
V
CC
= 5V
V
CC
= 3.3V
V
CC
= 2.5V
VBATT = 3.0V
216
196
–60 –20 60 140
RESET TIMEOUT PERIOD
vs. TEMPERATURE
200
212
MAX690-806 TOC05
TEMPERATURE (°C)
RESET TIMEOUT PERIOD (ms)
20 100–40 0 8040 120
208
204
V
CC
= 5V
V
CC
= 3.3V
VBATT = 3.0V
30
10
–60 –20 60 140
RESET-COMPARATOR PROPAGATION
DELAY vs. TEMPERATURE
14
26
MAX690-806 TOC06
TEMPERATURE (°C)
PROPAGATION DELAY (μs)
20 100–40 0 8040 120
22
18
VBATT = 3.0V
100mV OVERDRIVE
1.004
0.994
–60 –20 60 140
NORMALIZED RESET THRESHOLD
vs. TEMPERATURE
0.996
1.002
MAX690-806 TOC08
TEMPERATURE (°C)
NORMALIZED RESET THRESHOLD (V)
20 100–40 0 8040 120
1.000
0.998
VBATT = 3.0V
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)