MAX823SEXK-T Maxim Integrated, MAX823SEXK-T Datasheet - Page 5
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MAX823SEXK-T
Manufacturer Part Number
MAX823SEXK-T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX823, MAX823L, MAX823M, MAX823R, MAX823S, MAX823T, MAX823Y, MAX823Z, MAX824, MAX824L, MAX824M, MAX824R, MAX824S, MAX824T, MAX824Y, MAX824Z, MAX825, MAX825L, MAX825M, MAX825R, MAX825S, MAX825T, MAX825Y, MAX825Zr
Datasheet
1.MAX824ZEXK-T.pdf
(10 pages)
Specifications of MAX823SEXK-T
Number Of Voltages Monitored
1
Monitored Voltage
2.5 V, 3 V, 3.3 V, 5 V
Undervoltage Threshold
2.89 V
Overvoltage Threshold
2.96 V
Output Type
Active Low, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
280 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SC-70
Chip Enable Signals
No
Maximum Power Dissipation
247 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
4 uA
Supply Voltage - Min
1.2 V
MAX823_, V
__________________________________________Typical Operating Characteristics
5-Pin Microprocessor Supervisory Circuits With
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
9
8
7
6
5
4
3
2
1
-40
-40
-20
-20
CC
WATCHDOG TIMEOUT PERIOD
V
= +5V, T
0
CC
vs. TEMPERATURE
vs. TEMPERATURE
MAX823L
MAX824Y
MAX825R
0
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY CURRENT
20
_______________________________________________________________________________________
20
40
A
= +25°C, unless otherwise noted.)
40
60
(SC70 ONLY)
60
80
100 120
Watchdog Timer and Manual Reset
80
100
1.06
1.04
1.02
1.00
0.98
0.96
0.94
250
240
230
220
210
200
190
180
170
160
150
-40
-40
NORMALIZED RESET THRESHOLD
-20
-20
VOLTAGE vs. TEMPERATURE
RESET TIMEOUT PERIOD
vs. TEMPERATURE
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
80
100
100
50
45
40
35
30
25
20
15
10
30
25
20
15
10
5
0
5
0
RESET THRESHOLD OVERDRIVE (mV), V
RESET COMPARATOR PROPAGATION DELAY
-40
0
MAXIMUM V
vs. RESET THRESHOLD OVERDRIVE
20
V
MAX82_L
CC
-20
40 60 80
FALLING
vs. TEMPERATURE
0
TEMPERATURE (°C)
RESET OCCURS
ABOVE CURVE
MAX82_R
MAX82_Y
CC
20
TRANSIENT DURATION
100 120 140
40
(SC70 ONLY)
60
160
80
RST
180
- V
200
100
CC
5