MAX791MJE Maxim Integrated, MAX791MJE Datasheet - Page 5
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MAX791MJE
Manufacturer Part Number
MAX791MJE
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX791r
Datasheet
1.MAX791ESE-T.pdf
(19 pages)
Specifications of MAX791MJE
Number Of Voltages Monitored
1
Monitored Voltage
4.65 V
Undervoltage Threshold
4.5 V
Overvoltage Threshold
4.75 V
Output Type
Active Low, Open Drain, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
Backup
Power-up Reset Delay (typ)
280 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Package / Case
CDIP
Chip Enable Signals
Yes
Maximum Power Dissipation
800 mW
Minimum Operating Temperature
- 55 C
Power Fail Detection
Yes
Supply Current (typ)
150 uA
Supply Voltage - Min
0 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
(T
A
4.80
4.75
4.70
4.65
4.60
4.55
4.50
4.45
4.40
4.35
4.30
= +25°C, unless otherwise noted.)
54
50
46
42
38
58
15
10
20
5
V
-60
-60
-60
CC
SUPPLY CURRENT vs. TEMPERATURE
VBATT-to-V
VBATT = 2.0V
VBATT = 4.5V
-30
VBATT = 2.8V
(NORMAL OPERATING MODE)
-30
-30
RESET THRESHOLD
vs. TEMPERATURE
vs. TEMPERATURE
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
_______________________________________________________________________________________
OUT
30
30
30
ON-RESISTANCE
60
60
60
V
VBATT = 2.8V
PFI, CE IN = 0V
CC
VBATT = 0V,
POWER DOWN
90
90
90
= +5V
V
CC
Microprocessor Supervisory Circuit
120
120
120
= 0V
150
150
150
1.1
1.0
0.9
0.8
0.7
0.6
500
400
300
200
100
1.2
600
1.5
1.0
0.5
2.0
BATTERY-SUPPLY CURRENT vs. TEMPERATURE
0
0
-60
-60
-60
-30
-30
V
-30
RESET OUTPUT RESISTANCE
(BATTERY-BACKUP MODE)
CC
-to-V
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
TEMPERATURE (°C)
OUT
30
30
V
SINKING CURRENT
30
CC
ON-RESISTANCE
V
SOURCING CURRENT
CC
= 0V, VBATT = 2.8V
Typical Operating Characteristics
= +5V, VBATT = 2.8V
60
60
60
V
VBATT = 0V
90
90
90
V
VBATT = 2.8V
NO LOAD
CC
CC
= +5V,
= 0V
120
120
120
150
150
150
1.50
1.25
1.00
0.75
0.50
0.25
100
120
220
210
200
190
180
170
230
80
60
40
0
-60
-60
-60
V
VBATT = 2.8V
CC
-30
CHIP-ENABLE ON-RESISTANCE
-30
-30
= 0V TO 5V STEP
0
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
PFI THRESHOLD
TEMPERATURE (°C)
TEMPERATURE (°C)
RESET DELAY
30
30
30
60
60
60
90
V
VBATT = 0V,
NO LOAD ON PFO
CC
V
VBATT = 2.8V
CE IN = V
= +5V,
90
90
CC
120
= +4.75V
120
120
150 180
CC
/2
150
150
5