MAX691ACWE+ Maxim Integrated Products, MAX691ACWE+ Datasheet - Page 6

• Manufacturer Part Number: MAX691ACWE+
• Description: IC MPU SUPERVISOR CIRCUIT 16SOIC
• Manufacturer: Maxim Integrated Products
• Type: Battery Backup Circuitr

Specifications of MAX691ACWE+

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.65V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Monitored Voltage: 0 V to 5.5 V
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Manual Reset: No
• 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): 100 uA
• Maximum Power Dissipation: 762 mW
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 70 C
• Chip Enable Signals: Yes
• Minimum Operating Temperature: 0 C
• Output Type: Active High or Active Low or Open Drain
• Power Fail Detection: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Microprocessor Supervisory Circuits
(T
6
____________________________Typical Operating Characteristics (continued)
A
= +25°C, unless otherwise noted.)
1000
_______________________________________________________________________________________
20
16
12
100
8
4
0
10
1
0
1
VBATT = 2.8V
I
V
VBATT = 0V
OUT
SLOPE = 0.8Ω
CC
V
CC
= 0A
= 4.5V
vs. INPUT SUPPLY VOLTAGE
(NORMAL OPERATING MODE)
to V
1
BATTERY CURRENT
OUT
10
vs. OUTPUT CURRENT
2
I
V
OUT
CC
(mA)
(V)
3
100
4
1000
5
1000
100
100
0.1
10
10
1
1
WATCHDOG AND RESET TIMEOUT PERIOD
10
1
vs. OSC IN TIMING CAPACITOR (COSC)
VBATT to V
RESET ACTIVE
TIMEOUT PERIOD
V
VBATT = 2.8V
V
VBATT = 4.5V
CC
CC
= 5V
= 0V
(BATTERY-BACKUP MODE)
SLOPE = 8Ω
OUT
COSC (pF)
I
vs. OUTPUT CURRENT
OUT
100
10
(mA)
LONG WATCHDOG
TIMEOUT PERIOD
SHORT WATCHDOG
TIMEOUT PERIOD
1000
100
THRESHOLD
LOW LINE
V
CE OUT
CC
RESET
RESET
20
16
12
LO
LO
LO
5V
HI
HI
HI
8
4
0
0
TO 5V
V
CE IN = 0V
DRIVER SOURCE
CHIP-ENABLE PROPAGATION DELAY
CC
vs. CE OUT LOAD CAPACITANCE
80μs
800ns
= 5V
50
AND CE OUT DELAY
V
12μs
100
CC
to LOW LINE
C
LOAD
150
(pF)
200
250
300