MAX807MCWE Maxim Integrated, MAX807MCWE Datasheet - Page 4

• Manufacturer Part Number: MAX807MCWE
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX807L, MAX807M, MAX807Nr

Specifications of MAX807MCWE

• Number Of Voltages Monitored: 1
• Monitored Voltage: 4.425 V
• Undervoltage Threshold: 4.35 V
• Overvoltage Threshold: 4.5 V
• Output Type: Active High, Active Low
• 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: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-16 Wide
• Chip Enable Signals: Yes
• Maximum Power Dissipation: 762 mW
• Minimum Operating Temperature: 0 C
• Power Fail Detection: Yes
• Supply Current (typ): 70 uA
• Supply Voltage - Min: 0 V

ELECTRICAL CHARACTERISTICS (continued)
(V
V
Full-Featured µP Supervisory Circuit with
±1.5% Reset Accuracy
4
Note 1: Either V
Note 2: The supply current drawn by the MAX807 from the battery (excluding I
Note 3: “+”= battery discharging current, “-”= battery charging current.
Note 4: WDI is internally connected to a voltage-divider between V
Note 5: Overdrive (V
Note 6: The chip-enable resistance is tested with V
Note 7: The chip-enable propagation delay is measured from the 50% point at CE IN to the 50% point at CE OUT.
CHIP-ENABLE GATING
MANUAL RESET INPUT
BATT OK COMPARATOR
LOGIC OUTPUTS
BATT
PFI Input Threshold
PFI Hysteresis
PFI Leakage Current
PFI to PFO Delay (Note 5)
CE IN Leakage Current
CE IN to CE OUT Resistance
(Note 6)
CE OUT Short-Circuit Current
(RESET Active)
CE IN to CE OUT
Propagation Delay (Note 7)
CE OUT Output Voltage High
(RESET Active)
RESET to CE OUT Delay
MR Minimum Pulse Input
MR-to-RESET Propagation
Delay
MR Threshold
MR Pullup Current
BATT OK Threshold
BATT OK Hysteresis
Output Voltage
(PFO, BATT OK)
Output Short-Circuit Current
CC
_______________________________________________________________________________________
= 4.60V to 5.5V for the MAX807L, V
= 2.8V, V
< V
disabling the watchdog function.
PARAMETER
CC
< V
PFI
CC
BATT
= 0V, T
or V
OD
. In most applications, this is a brief period as V
BATT
) is measured from center of hysteresis band.
A
= T
can go to 0 if the other is greater than 2.0V.
MIN
SYMBOL
to T
V
V
V
V
V
I
V
BOK
PFT
SC
MAX
OH
OL
IH
IL
. Typical values are tested with V
CC
V
V
V
Disabled mode, MR = 0V
Enabled mode, V
V
CE OUT = 0, MR = 0V
V
50Ω source impedance driver
Disabled mode, MR = 0V
V
MR = 0V
I
I
Output sink current
Output source current
SINK
SOURCE
PFI
PFI
OD
CC
CC
CC
= 4.50V to 5.5V for the MAX807N, V
CE IN
falling
rising
= 5V, disabled mode,
= 5V, C
falling
= 30mV, V
= 3.2mA
= 5mA
= V
LOAD
CC
CONDITIONS
PFI
/2, and I
CC
= 50pF,
falling
CC
= V
CC
and GND. If unconnected, WDI is driven to 1.8V (typical),
falls through this region (see Typical Operating Characteristics).
RST
CE IN
(max)
V
I
V
I
OUT
CC
OUT
OUT
CC
CC
= 1mA.
= 5V and T
) typically goes to 15µA when (V
= 5V,
= 0V,
= 2mA
= 10µA
A
CC
= +25°C, unless otherwise noted.)
V
V
BATT
2.200
CC
= 4.35V to 5.5V for the MAX807M,
2.20
2.22
MIN
3.5
2.4
50
1
- 1.5
- 0.1 V
±0.00002
±0.005
2.265
2.285
2.265
TYP
170
100
BATT
20
14
75
17
28
20
35
20
2
BATT
- 0.1V)
2.350
MAX
2.33
2.35
±40
150
200
0.8
0.4
±1
8
UNITS
mV
mA
mV
mA
nA
µA
µA
µs
ns
µs
µs
ns
Ω
V
V
V
V
V