MAX791CPE+ Maxim Integrated Products, MAX791CPE+ Datasheet - Page 2
![IC MPU SUPERVISORY CIRCUIT 16DIP](/photos/6/57/65728/175-16-dip_sml.jpg)
MAX791CPE+
Manufacturer Part Number
MAX791CPE+
Description
IC MPU SUPERVISORY CIRCUIT 16DIP
Manufacturer
Maxim Integrated Products
Type
Battery Backup Circuitr
Datasheet
1.MAX791CSE.pdf
(19 pages)
Specifications of MAX791CPE+
Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
4.65V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Monitored Voltage
4.65 V
Undervoltage Threshold
4.5 V
Overvoltage Threshold
4.75 V
Manual Reset
Resettable
Watchdog
Yes
Battery Backup Switching
Yes
Power-up Reset Delay (typ)
280 ms
Supply Voltage (max)
5.5 V
Supply Voltage (min)
0 V
Supply Current (typ)
150 uA
Maximum Power Dissipation
842 mW
Mounting Style
Through Hole
Maximum Operating Temperature
+ 70 C
Chip Enable Signals
Yes
Minimum Operating Temperature
0 C
Output Type
Active Low or Open Drain or Push-Pull
Power Fail Detection
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Microprocessor Supervisory Circuit
Input Voltage (with respect to GND)
Input Current
ELECTRICAL CHARACTERISTICS
(V
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
Operating Voltage Range
V
V
Operating Mode
V
V
VBATT-to-V
Supply Current in Normal
Operating Mode (excludes I
Supply Current in Battery-Backup
Mode (excludes I
VBATT Standby Current
(Note 3)
Battery-Switchover Threshold
Battery-Switchover Hysteresis
Low-Battery Detector Threshold
CC
V
VBATT..................................................................-0.3V to + 6V
All Other Inputs.....................................-0.3V to (V
V
V
VBATT Peak ..................................................................250mA
VBATT Continuous ..........................................................25mA
GND, BATT ON .............................................................100mA
All Other Outputs ............................................................25mA
CC
OUT
CC
OUT
CC
CC
CC
_______________________________________________________________________________________
= 4.75V to 5.5V, VBATT = 2.8V, T
, VBATT (Note 1)
-to-V
.......................................................................-0.3V to +6V
Peak ..........................................................................1.0A
Continuous ............................................................250mA
in Normal
in Battery-Backup Mode
OUT
PARAMETER
OUT
On-Resistance
On-Resistance
OUT
) (Note 2)
OUT
)
V
V
V
V
VBATT = 4.5V, I
VBATT = 2.8V, I
VBATT = 2.0V, I
VBATT = 4.5V
VBATT = 2.8V
VBATT = 2.0V
V
V
VBATT = 2.8V
VBATT + 0.2V ≤ V
Power up
Power down
A
CC
CC
CC
CC
CC
CC
= T
= 4.5V
= 4.5V
= 3V, VBATT = 2.8V, I
= 3V
> VBATT - 1V
< VBATT - 1.2V,
MIN
to T
I
I
MAX791C/E
MAX791M
OUT
OUT
OUT
MAX
OUT
OUT
OUT
CONDITIONS
, unless otherwise noted.)
+ 0.3V)
CC
= 25mA
= 250mA
= 20mA
= 10mA
= 5mA
T
T
T
T
OUT
A
A
A
A
= +25°C
= T
= +25°C
= T
= 100mA
Continuous Power Dissipation (T
Operating Temperature Ranges
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
MAX791C/E
MAX791M
MIN
MIN
Plastic DIP (derate 10.53mW/°C above +70°C) ..........842mW
Narrow SO (derate 8.70mW/°C above +70°C) ............696mW
CERDIP (derate 10.00mW/°C above +70°C) ...............800mW
TSSOP (derate 6.70mW/°C above +70°C) ..................533mW
MAX791C_ _ ......................................................O°C to +70°C
MAX791E_ _ ....................................................-40°C to +85°C
MAX791MJE ..................................................-55°C to +125°C
to T
to T
MAX
MAX
V
V
V
V
VBATT - 0.3
VBATT - 0.25
VBATT - 0.15
CC
CC
CC
CC
MIN
-0.1
-1.0
0
- 0.05 V
- 0.3
- 0.40
- 0.2
VBATT + 0.03
VBATT - 0.03
A
V
V
CC
CC
= +70°C)
CC
TYP
0.04
0.8
0.8
1.2
13
17
50
60
8
2
- 0.02
- 0.12
- 0.2
MAX
0.02
0.02
150
5.5
1.2
1.6
2.0
15
25
30
1
5
UNITS
mV
µA
µA
µA
Ω
Ω
V
V
V
V
V