MAX821LUS+T Maxim Integrated Products, MAX821LUS+T Datasheet - Page 3

• Manufacturer Part Number: MAX821LUS+T
• Description: IC MONITOR VOLT MPU SOT143-4
• Manufacturer: Maxim Integrated Products
• Type: Simple Reset/Power-On Resetr

Specifications of MAX821LUS+T

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 4.63V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-143, SOT-143B, TO-253AA
• Monitored Voltage: 3 V to 5 V
• Undervoltage Threshold: 4.56 V
• Overvoltage Threshold: 4.7 V
• Manual Reset: No
• Watchdog: No
• Battery Backup Switching: No
• Power-up Reset Delay (typ): 200 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Supply Current (typ): 7 uA
• Maximum Power Dissipation: 320 mW
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Chip Enable Signals: No
• Minimum Operating Temperature: - 40 C
• Output Type: Active Low or Push-Pull
• Power Fail Detection: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX821LUS+T; MAX821LUS+TTR

ELECTRICAL CHARACTERISTICS (continued)
(V
(T
Note 1: RESET output for MAX821; RESET output for MAX822.
Note 2: During reset active timeout period only.
Note 3: Guaranteed by design.
__________________________________________Typical Operating Characteristics
SRT Input Capacitance
(Note 3) (see Setting
the Reset Timeout Delay
section)
RESET Output Voltage
(MAX821)
RESET Output Voltage
(MAX822)
CC
A
= +25°C, unless otherwise noted.)
1.0
0.9
0.8
0.7
0.6
= full range, T
4-Pin µP Voltage Monitors with Pin-Selectable
-40
PARAMETER
SRT = GND
-20
RESET TIMEOUT PERIOD
vs. TEMPERATURE
0
TEMPERATURE (°C)
A
_______________________________________________________________________________________
= -40°C to +125°C, unless otherwise noted. Typical values are at T
20
40
60
SYMBOL
V
V
V
V
80
OH
OH
OL
OL
100
Internal
MAX821L/M/P only, I
V
MAX821R/S/T/U only, I
V
I
MAX821L/M/P only, I
V
MAX821R/S/T/U only, I
V
MAX822L/M only, I
V
MAX822R/S/T only, I
V
I
SINK
SOURCE
CC
CC
CC
CC
CC
CC
Power-On Reset Timeout Delay
= V
= V
≥ V
≥ V
= V
= V
= 50µA
36
35
34
33
32
31
30
TH(MAX)
TH(MAX)
TH(MIN)
TH(MIN)
TH(MAX)
TH(MAX)
-40
= 150µA, 1.4V ≤ V
SRT = V
-20
RESET TIMEOUT PERIOD
CC
CONDITIONS
vs. TEMPERATURE
0
TEMPERATURE (°C)
SINK
SINK
SINK
SOURCE
SINK
SOURCE
20
= 3.2mA,
= 1.2mA,
T
V
T
V
= 3.2mA,
A
A
CC
CC
40
CC
= 1.2mA,
= -40°C to +85°C,
= 0°C to +70°C,
= 800µA,
≥ 1V
≥ 1.2V
≤ V
= 500µA,
60
TH(MIN)
80
100
A
= +25°C.)
180
175
170
165
160
155
150
V
0.8V
0.8V
CC
MIN
-40
SRT = UNCONNECTED
-1.5
CC
CC
-20
RESET TIMEOUT PERIOD
TYP
vs. TEMPERATURE
0
TEMPERATURE (°C)
20
MAX
40
0.4
0.3
0.3
0.3
0.4
0.3
20
60
80
UNITS
pF
V
V
100
3