MAX808NCSA Maxim Integrated Products, MAX808NCSA Datasheet - Page 3

• Manufacturer Part Number: MAX808NCSA
• Description: Supervisory Circuits 8-Pin uPower Supervisor
• Manufacturer: Maxim Integrated Products

Specifications of MAX808NCSA

• Number Of Voltages Monitored: 1
• Monitored Voltage: 0 V to 5.5 V
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.65 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: Backup
• Power-up Reset Delay (typ): 280 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 0 V
• Supply Current (typ): 48 uA
• Maximum Power Dissipation: 471 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Narrow
• Minimum Operating Temperature: 0 C
• Power Fail Detection: No
• Lead Free Status / Rohs Status: No

ELECTRICAL CHARACTERISTICS (continued)
(V
T
A
RESET AND LOW-LINE
Reset Threshold
Reset-Threshold Hysteresis
LOWLINE to RESET
Threshold Voltage
LOWLINE Threshold,
V
V
V
RESET Active Timeout
Period
RESET Output Voltage
RESET Output
Short-Circuit Current
RESET Output Voltage
(MAX801)
RESET Output Short-
Circuit Current (MAX801)
LOWLINE Output Voltage
LOWLINE Output
Short-Circuit Current
WATCHDOG TIMER (MAX801)
Watchdog Timeout Period
Minimum Watchdog Input
Pulse Width
WDI Threshold Voltage
(Note 4)
WDI Input Current
CC
CC
CC
CC
= T
= 4.6V to 5.5V for the MAX80_L, V
Rising
to RESET Delay
to LOWLINE Delay
MIN
PARAMETER
to T
MAX
. Typical values are at V
_______________________________________________________________________________________
SYMBOL
V
V
t
V
t
t
I
I
I
V
t
V
WD
RST
RD
RP
SC
SC
SC
LL
LR
LL
IH
IL
CC
V
and falling
V
MAX80_L
MAX80_N
MAX80_M
V
V
V
I
V
V
I
I
Output sink current, V
Output source current
I
I
Output sink current
Output source current, V
I
I
Output sink current, V
Output source current
V
RESET deasserted, WDI = 0V
RESET deasserted, WDI = V
SINK
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
BATT
CC
CC
CC
CC
CC
CC
CC
IL
= 4.5V to 5.5V for the MAX80_N, V
= 0.8V, V
falling
= 5V and T
rising
falling
falling at 1mV/µs
falling at 1mV/µs
rising
= 50µA,
= 3.2mA, V
= 3.2mA
= 3.2mA, V
= 0V,
= 0.1mA
= 5mA, V
= 5mA, V
8-Pin µP Supervisory Circuits
IH
CONDITIONS
MAX80_L
MAX80_N
MAX80_M
V
V
= 0.75V x V
with ±1.5% Reset Accuracy
A
CC
CC
CC
CC
= +25°C, unless otherwise noted.)
CC
CC
= 1.0V, MAX80_C
= 1.2V, MAX80_E/M
= 4.25V
= 4.25V
CC
= 4.25V
= 4.25V
CC
CC
= 4.25V
= 4.25V
CC
= 4.25V
CC
CC
= 4.35V to 5.5V for the MAX80_M; V
0.75 x V
V
V
V
CC
CC
CC
4.600
4.500
4.350
1.12
140
100
-50
30
MIN
- 1.5
- 1.5
- 1.5
CC
V
TYP
CC
4.675
4.575
4.425
4.73
4.63
4.48
200
-10
0.1
1.6
1.6
13
52
17
17
40
55
15
40
20
16
- 0.1
MAX
4.750
4.650
4.500
4.81
4.71
4.56
2.24
280
0.3
0.3
0.4
0.4
0.4
0.8
70
50
BATT
UNITS
= 2.8V;
mA
mA
mA
sec
mV
mV
ms
µA
µs
µs
ns
V
V
V
V
V
V
3