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MAX6361–MAX6364
SOT23, Low-Power P Supervisory Circuits
with Battery Backup
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = +2.4V to +5.5V, VBATT = 3V, TA = -40°C to +85°C, reset not asserted. Typical values are at TA = +25°C, unless otherwise
noted.) (Note 1)
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.
Terminal Voltages (with respect to GND)
VCC, BATT, OUT.......................................................-0.3V to +6V
RESET (open drain), RESET (open drain) ................-0.3V to +6V
BATT ON, RESET (push-pull), RESET IN,
WDI.......................................................-0.3V to (VOUT + 0.3V)
MR .............................................................-0.3V to (VCC + 0.3V)
Input Current
VCC Peak ............................................................................1A
VCC Continuous ............................................................250mA
BATT Peak ....................................................................250mA
BATT Continuous ............................................................40mA
GND ................................................................................75mA
Output Current
OUT................................Short-Circuit Protection for up to 10s
RESET, RESET, BATT ON ..............................................20mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.70mW/°C above +70°C) .........696mW
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
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
0
5.5
No load (Note 2)
VCC,
VBATT
Operating Voltage Range,
VCC or VBATT
Supply Current
(Excluding IOUT)
ICC
No load, VCC > VTH,
WDI = VCC or GND
(MAX6362)
VCC = 2.8V
VCC = 3.6V
VCC = 5.5V
10
30
11
35
15
50
A
1
3
TA = +25°C
TA = -40°C to +85°C
VBATT = 2.8V,
VCC = 0
ISUPPLY
ISUPPLY in Battery-Backup
Mode (Excluding IOUT)
BATT Standby Current
IBATT
5.5V > VCC >
(VBATT + 0.2V)
TA = +25°C
TA = -40°C to +85°C
-0.1
0.02
-1.0
0.02
A
2.75
3.0
4.6
VCC = 4.75V, IOUT
≤ 150mA
VCC = 3.15V, IOUT
≤ 65mA
VCC = 2.38V, IOUT
≤ 25mA
RON
VCC to OUT On-Resistance
VOUT in Battery-Backup Mode
Battery-Switchover Threshold
(VCC - VBATT)
Reset Threshold
VCC Falling Reset Delay
Reset-Active Timeout Period
tRP
VTH
VBATT = 4.5V, IOUT
≤ 20mA
VBATT = 3.0V, IOUT
≤ 10mA
VBATT = 2.25V, IOUT
≤ 5mA
VCC < VTH
MAX636_UT46
VCC falling at 10V/ms
VBATT - 0.2
VBATT - 0.15
20
-20
4.50
4.63
4.75
4.25
4.38
4.50
3.00
3.08
3.15
2.85
2.93
3.00
2.55
2.63
2.70
2.25
2.32
2.38
35
150
280
ms
s
V
mV
V
Power-up
Power-down
MAX636_UT23
MAX636_UT26
MAX636_UT29
MAX636_UT31
MAX636_UT44