MAX821LUS+T Maxim Integrated Products, MAX821LUS+T Datasheet - Page 2

• 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

ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
Input Current, V
Output Current, RESET or RESET .......................................20mA
4-Pin µP Voltage Monitors with Pin-Selectable
Power-On Reset Timeout Delay
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
2
V
Supply Current
Reset Threshold (Note 1)
Reset Threshold Tempco
V
Reset Active Timeout Period
SRT Input Current (Note 2)
SRT Input Threshold
CC
V
All Other Inputs.......................................-0.3V to (V
CC
CC
CC
_______________________________________________________________________________________
= full range, T
Range
to Reset Delay (Note 1)
......................................................................-0.3V to 6.0V
PARAMETER
CC
, SRT......................................................20mA
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
SYMBOL
V
OPEN
V
I
V
t
V
CC
RP
TH
IH
IL
T
T
MAX82_L/M/P,
V
MAX82_R/S/T/U,
V
MAX82_L
MAX82_M
MAX82_P
MAX82_T
MAX82_S
MAX82_U
MAX82_R
V
RESET = low for MAX821,
RESET = high for MAX822
RESET = low for MAX821,
RESET = high for MAX822
SRT = GND
SRT = V
SRT = unconnected
A
A
CC
CC
CC
= 0°C to +70°C
= -40°C to +85°C
= 5.5V, I
= 5.5V, I
falling at 1mV/µs
CC
CC
+ 0.3V)
OUT
OUT
= 0
= 0
CONDITIONS
Continuous Power Dissipation (T
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SRT = GND
SRT = V
SRT = unconnected
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
SOT143-4 (derate 4mW/°C above +70°C)...................320mW
= +25°C
= T
= +25°C
= T
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
= +25°C
= -40°C to +125°C
MIN
MIN
CC
to T
to T
MAX
MAX
A
= +25°C.)
0.9V
4.56
4.50
4.31
4.25
3.97
3.91
3.04
3.00
2.89
2.85
2.74
2.70
2.59
2.55
-100
MIN
100
1.0
1.2
0.5
20
-1
CC
A
= +70°C)
0.5V
TYP
4.63
4.38
4.00
3.08
2.93
2.78
2.63
160
2.5
1.8
0.8
30
50
32
CC
0.07V
MAX
4.70
4.75
4.45
4.50
4.04
4.09
3.11
3.15
2.96
3.00
2.81
2.85
2.66
2.70
200
100
5.5
5.5
7.0
5.5
12
40
9
1
1
CC
ppm/°C
UNITS
µA
ms
µA
µs
V
V
V