MAX825ZEXK-T Maxim Integrated, MAX825ZEXK-T Datasheet - Page 3
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MAX825ZEXK-T
Manufacturer Part Number
MAX825ZEXK-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 MAX825ZEXK-T
Number Of Voltages Monitored
1
Monitored Voltage
2.5 V, 3 V, 3.3 V, 5 V
Undervoltage Threshold
2.28 V
Overvoltage Threshold
2.35 V
Output Type
Active High, Active Low, Push-Pull
Manual Reset
Resettable
Watchdog
No 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)
2 uA
Supply Voltage - Min
1.2 V
ELECTRICAL CHARACTERISTICS (continued)
(V
to +3.6V for MAX82_S, V
MAX82_Y, T
are at T
Reset Threshold Hysteresis
Reset Threshold Temperature
Coefficient
Reset Timeout Period
V
RESET Output Voltage
RESET Output Short-Circuit
Current (Note 2)
RESET Output Voltage
WATCHDOG INPUT (MAX823/MAX824)
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage (Note 3)
WDI Input Current (Note 4)
5-Pin Microprocessor Supervisory Circuits With
CC
CC
= +4.75V to +5.5V for MAX82_L, V
to RESET Delay
A
= +25°C.) (Note 1)
PARAMETER
A
= T
MIN
_______________________________________________________________________________________
to T
CC
MAX
= +2.7V to +3.6V for MAX82_R, V
, T
A
= -40°C to +85°C (SC70), T
Watchdog Timer and Manual Reset
SYMBOL
I
SOURCE
V
V
t
V
V
t
V
t
WDI
V
WD
RP
OH
OH
OL
OL
IH
IL
CC
= +4.5V to +5.5V for MAX82_M, V
MAX82_L/M
MAX82_T/S/R/Z/Y
V
MAX82_L/M, V
I
MAX82_T/S/R/Z/Y, V
I
MAX82_L/M, V
I
MAX82_T/S/R/Z/Y V
I
T
V
T
V
MAX82_L/M, RESET = 0V, V
MAX82_T/S/R/Z/Y, RESET = 0V, V
V
MAX824L/M, MAX825L/M,
V
MAX824T/S/R/Z/Y, MAX825T/S/R/Z/Y,
V
V
WDI = V
WDI = 0, time average
SOURCE
SOURCE
SINK
SINK
A
A
RST
CC
CC
CC
CC
CC
IL
= 0°C to +70°C, V
= T
= 0.4V, V
falling, I
falling, V
> 1.8V, I
= V
= V
- V
= 3.2mA
= 1.2mA
MIN
CC
RST
RST
CC
= 120µA
= 30µA
to T
, time average
= 100mV
max, I
max, I
SINK
IH
SOURCE
BATT
A
MAX
CC
CC
CC
= 0.8
= -40°C to +125°C (SOT23), unless otherwise noted. Typical values
CONDITIONS
= 50µA
= V
= V
, V
SINK
SINK
= 0V, I
= +2.38V to +2.75V for MAX82_Z, V
CC
CC
CC
CC
✕
RST
RST
= 150µA
= V
V
= V
= 3.2mA
= 1.2mA
= 1.2V,
= 1V,
CC
SINK
max,
min,
RST
RST
CC
= 100µA
min,
max,
= 5.5V
CC
CC
= +3.15V to +3.6V for MAX82_T, V
= 3.6V
V
0.8
0.8
0.7
MIN
1.12
140
-20
CC -
50
✕
✕
✕
V
V
V
1.5
CC
CC
CC
CC
TYP
1.60
200
120
-15
10
40
20
5
= +2.25V to +2.75V for
0.3
✕
MAX
2.40
280
800
400
160
0.4
0.3
0.3
0.4
0.3
V
CC
CC
ppm/°C
UNITS
= +3V
mV
ms
µA
µA
µs
ns
V
V
V
s
3