Low-Power, Single-/Dual-Level Battery Monitors
with Hysteresis and Integrated µP Reset
ABSOLUTE MAXIMUM RATINGS
BATT CC
Open-Drain LBO, LBOH, LBOL, LBOLH to GND ...-0.3V to +6V*
Open-Drain RESET to GND ....................................-0.3V to +6V*
Push-Pull RESET to GND............................-0.3V to (V
MR to GND .................................................-0.3V to (V
V
, V
to GND.................................................-0.3V to +6V*
Operating Temperature Range .......................... -40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
+ 0.3V)
+ 0.3V)
CC
CC
Input/Output Current, All Pins .............................................20mA
Continuous Power Dissipation (T = +70°C)
A
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............695mW
8-Pin SOT23 (derate 8.9mW/°C above +70°C)............714mW
*Applying 7V for a duration of 1ms does not damage the device.
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
BATT
= 1.2V to 5.5V, V = 1.2V to 5.5V, T = -40°C to +85°C, unless otherwise specified. Typical values are at T = +25°C.) (Note1)
CC
A
A
PARAMETER
Operating Voltage Range
SYMBOL
CONDITIONS
= 0°C to +85°C
MIN
1.0
1.2
1.0
1.2
TYP
MAX
5.5
5.5
5.5
5.5
7
UNITS
T
T
T
T
A
A
A
A
V
V
V
BATT
BATT
= -40°C to +85°C
= 0°C to +85°C
= -40°C to +85°C
V
V
Operating Voltage Range
V
V
CC
CC
CC
+ V
Supply Current
I
+ I
V
= 3.6V, V = 3.3V, no load (Note 2)
CC
2.5
µA
BATT
CC
BATT
BATT
V
BATT
THRESHOLDS
MAX6439UT_ J, MAX6440UT_ J
MAX6439UT_ I, MAX6440UT_ I
MAX6439UT_ H, MAX6440UT_ H
MAX6439UT_ G, MAX6440UT_ G
MAX6439UT_ T, MAX6440UT_ T
MAX6439UT_ S, MAX6440UT_ S
MAX6439UT_ R, MAX6440UT_ R
MAX6439UT_ Q, MAX6440UT_ Q
MAX6439UTF, MAX6440UTF
MAX6439UTE, MAX6440UTE
MAX6439UTD, MAX6440UTD
MAX6439UTC, MAX6440UTC
MAX6439UTB, MAX6440UTB
MAX6439UTA, MAX6440UTA
MAX6439UTP, MAX6440UTP
MAX6439UTO, MAX6440UTO
MAX6439UTN, MAX6440UTN
MAX6439UTM, MAX6440UTM
MAX6439UTL, MAX6440UTL
MAX6439UTK, MAX6440UTK
3.510
3.413
3.315
3.218
2.535
2.438
2.340
2.243
3.023
2.925
2.828
2.730
2.633
2.535
2.048
1.950
1.853
1.755
1.658
1.560
3.60
3.50
3.40
3.30
2.60
2.50
2.40
2.30
3.10
3.00
2.90
2.80
2.70
2.60
2.10
2.00
1.90
1.80
1.70
1.60
3.690
3.588
3.485
3.383
2.665
2.563
2.460
2.358
3.178
3.075
2.973
2.870
2.768
2.665
2.153
2.050
1.948
1.845
1.743
1.640
HTH Threshold
HTH
V
LTH Threshold
LTH
V
2
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