MAX6740XKRHD7-T Maxim Integrated, MAX6740XKRHD7-T Datasheet - Page 6
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MAX6740XKRHD7-T
Manufacturer Part Number
MAX6740XKRHD7-T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745r
Datasheet
1.MAX3318CAP.pdf
(16 pages)
Specifications of MAX6740XKRHD7-T
Number Of Voltages Monitored
3
Monitored Voltage
1.8 V to 5 V, 0.9 V to 3.3 V
Undervoltage Threshold
2.55 V, 1.275 V, Adjustable
Overvoltage Threshold
2.7 V, 1.35 V, Adjustable
Output Type
Active Low, Open Drain
Manual Reset
Resettable
Watchdog
No Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
1800 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SC-70
Chip Enable Signals
No
Maximum Power Dissipation
247 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
5 uA, 10 uA
Supply Voltage - Min
1 V
Low-Power Dual-/Triple-Voltage SC70 µP
Supervisory Circuits
(T
6
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
1.019
1.014
1.009
1.004
0.999
0.994
0.989
0.984
1.008
1.003
0.998
0.993
0.988
35
30
25
20
-40
-40
-40
RESET INPUT TO RESET OUTPUT DELAY
TIMEOUT PERIOD vs. TEMPERATURE
NORMALIZED V
-20
-20
NORMALIZED V
-20
vs. TEMPERATURE
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
0
CC
NORMALIZED TO +25°C
20
20
20
RESET THRESHOLD
100mV OVERDRIVE
CC
/POK1/MR
40
40
40
Typical Operating Characteristics (continued)
60
60
60
80
80
80
10,000
1000
48.5
43.5
38.5
33.5
28.5
100
49
44
39
34
29
24
10
MAXIMUM V
0
-40
-40
10
FALLING EDGE
POWER-FAIL INPUT TO POWER-FAIL
OUTPUT DELAY vs. TEMPERATURE
vs. RESET THRESHOLD OVERDRIVE
V
CC
V
-20
-20
RESET THRESHOLD OVERDRIVE (mV)
2
CC
TO RESET OUTPUT DELAY
V
vs. TEMPERATURE
CC
CC
TEMPERATURE (°C)
TEMPERATURE (°C)
1
1/V
RESET OCCURS ABOVE
THESE LINES
CC
20
20
2 TRANSIENT DURATION
100
100mV OVERDRIVE
100mV OVERDRIVE
RISING EDGE
40
40
60
60
80
80
1000