MAX6745 Просмотр технического описания (PDF) - Maxim Integrated
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MAX6745 Datasheet PDF : 16 Pages
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Low-Power Dual-/Triple-Voltage SC70 µP
Supervisory Circuits
ABSOLUTE MAXIMUM RATINGS
VCC1, VCC2, POK1 to GND ......................................-0.3V to +6V
Open-Drain RESET, PFO to GND.............................-0.3V to +6V
Push-Pull RESET to GND..........................-0.3V to (VCC1 + 0.3V)
MR, RSTIN, PFI to GND............................-0.3V to (VCC1 + 0.3V)
Input/Output Current, All Pins .............................................20mA
Continuous Power Dissipation (TA = +70°C)
5-Pin SC70 (derate 3.1mW/°C above +70°C) ..............247mW
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
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
(VCC = 1.2V to 5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
Operating Voltage Range
VCC1 Supply Current
SYMBOL
VCC1,
VCC2
ICC1
CONDITIONS
TA = -40°C to 0°C
TA = 0°C to +85°C
VCC1 = 3.3V, VCC1 > VCC2, no load, reset
not asserted
VCC1 = 1.8V, VCC1 < VCC2, no load, reset
not asserted
MIN TYP
1.2
1.0
5
5
VCC2 Supply Current
VCC2 = 1.8V, VCC2 < VCC1, no load, reset
1
not asserted
ICC2
VCC2 = 3.3V, VCC2 > VCC1, no load, reset
10
not asserted
Reset Threshold for VCC1
VTH1
MAX67_ _L
MAX67_ _M
MAX67_ _T
MAX67_ _S
MAX67_ _R
MAX67_ _Z
MAX67_ _Y
MAX67_ _W
MAX67_ _V
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
TA = 0°C to +85°C
TA = -40°C to +85°C
4.500
4.425
4.250
4.175
3.000
2.950
2.850
2.800
2.550
2.505
2.250
2.213
2.125
2.088
1.620
1.593
1.530
1.503
4.625
4.375
3.075
2.925
2.625
2.313
2.188
1.665
1.575
MAX
5.5
5.5
10
10
2
20
4.750
4.825
4.500
4.575
3.150
3.200
3.000
3.050
2.700
2.745
2.375
2.413
2.250
2.288
1.710
1.737
1.620
1.647
UNITS
V
µA
µA
V
2 _______________________________________________________________________________________
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