MAX6348XR33-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX6348XR33-T Datasheet PDF : 7 Pages
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MAX6326/MAX6327/
MAX6328/MAX6346/
MAX6347/MAX6348
3-Pin, Ultra-Low-Power SC70/SOT
μP Reset Circuits
Absolute Maximum Ratings
Terminal Voltage (with respect to GND)
VCC..........................................................................-0.3V to +6V
RESET, RESET (push-pull).......................-0.3V to (VCC + 0.3V)
RESET (open drain).................................................-0.3V to +6V
Continuous Power Dissipation (TA = +70°C)
3-Pin SC70 (derate 2.7mW/°C above +70°C)..............174mW
3-Pin SOT23 (derate 4mW/°C above +70°C)..............320mW
Operating Temperature Range............................ -40°C to +85°C
Input Current (VCC)............................................................20mA
Output Current (RESET, RESET).......................................20mA
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Rate of Rise (VCC).........................................................100V/µs
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 = full range, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C and VCC = 3V.) (Note 1)
PARAMETER
VCC Range
Supply Current
SYMBOL
CONDITIONS
TA = 0°C to +70°C
TA = -40°C to +85°C
MAX632_ only, VCC = 3.0V for VTH ≤ 2.93V,
ICC
VCC = 3.2V for VTH > 2.93V, no load
VCC = 5.5V, no load
Reset Threshold
VTH Table 1
TA = +25°C
TA = -40°C to +85°C
Reset Threshold Tempco
VCC to Reset Delay
Reset Active Timeout Period
∆VTH/°C
VCC = VTH to (VTH - 100mV)
RESET Output Voltage
(MAX6326/MAX6328/
MAX6346/MAX6348)
ISINK = 1.6mA, VCC > 2.1V, reset asserted
VOL
ISINK = 100µA, VCC ≥ 1.2V, reset asserted
RESET Output Voltage
(MAX6326/MAX6346)
VOH
VOH
ISOURCE = 500µA, VCC = 3.2V, MAX6326 only
ISOURCE = 800µA, VCC = 4.5V, VTH ≤ 4.38V
ISOURCE = 800µA, VCC = VTH(MAX), VTH ≥ 4.5V
ISOURCE = 500µA, VCC ≥ 2.1V, reset asserted
ISOURCE = 50µA, VCC ≥ 1.2V, reset asserted
RESET Output Voltage
(MAX6327/MAX6347)
ISINK = 1.2mA, VCC ≥ 3.2V, reset not asserted,
MAX6327 only
VOL ISINK = 3.2mA, VCC ≥ 4.5V, reset not asserted,
VTH ≤ 4.38V
RESET Threshold
Hysteresis
ISINK = 3.2mA, VCC = VTH(MAX), VTH ≥ 4.5V
MAX6326/MAX6327/MAX6328
MAX6346/MAX6347/MAX6348
Open-Drain RESET
Output Leakage Current
Note 1: Overtemperature limits are guaranteed by design and not production tested.
MIN
1.0
1.2
VTH -
1.5%
VTH -
2.5%
100
TYP
0.5
1.0
VTH
VTH
40
20
185
0.8 · VCC
0.8 · VCC
0.8 · VCC
0.8 · VCC
0.8 · VCC
6.3
9.5
MAX
5.5
5.5
1.0
1.75
VTH +
1.5%
VTH +
2.5%
280
0.3
0.4
0.3
0.4
0.4
0.1
UNITS
V
µA
V
ppm/°C
µs
ms
V
V
V
mV
µA
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