MAX6740XKYVD7-T Maxim Integrated, MAX6740XKYVD7-T Datasheet - Page 5
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MAX6740XKYVD7-T
Manufacturer Part Number
MAX6740XKYVD7-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 MAX6740XKYVD7-T
Number Of Voltages Monitored
3
Monitored Voltage
1.8 V to 5 V, 0.9 V to 3.3 V
Undervoltage Threshold
2.125 V, 1.53 V, Adjustable
Overvoltage Threshold
2.25 V, 1.62 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
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 1: All devices are 100% tested at T
Note 2: Guaranteed by design.
Note 3: t
Note 4: Refers to the manual reset function obtained by forcing the RESET output low.
Note 5: V
(T
POWER-FAIL COMPARATOR (MAX6742/MAX6745 only)
Power Fail In Threshold (Note 5)
Power Fail In Current
PFO Output Low
PFI to PFO Propagation Delay
PFO Startup Delay
CC
A
10
= +25°C, unless otherwise noted.)
9
8
7
6
5
4
3
2
1
0
= 1.2V to 5.5V, T
-40
SUPPLY CURRENT vs. TEMPERATURE
V
RD
CC
CC
PARAMETER
1 = 3.3V, V
-20
timeout period begins after POK1 timeout period (t
1 ≥ 1.6V.
TOTAL
I
I
CC
CC
TEMPERATURE (°C)
0
1
2
CC
2 = 2.5V
_______________________________________________________________________________________
Low-Power Dual-/Triple-Voltage SC70 µP
A
20
= -40°C to +85°C, unless otherwise noted. Typical values are at T
40
60
SYMBOL
80
V
TH-PFI
V
I
A
PFI
t
OL
P
= +25°C. All temperature limits are guaranteed by design.
10
T
T
V
V
V
V
PFI falling at 10mV/µs from V
100mV to V
10mV/µs from V
100mV (Note 5)
To output valid (Note 5)
9
8
7
6
5
4
3
2
1
0
A
A
PFI
CC
CC
CC
-40
= 0°C to +85°C
= -40°C to +85°C
SUPPLY CURRENT vs. TEMPERATURE
1 ≥ 1.53V, I
1 ≥ 2.03V, I
1 ≥ 4.25V, I
≥ 0.1V (Note 2)
V
CC
1 = 2.5V, V
-20
TOTAL
TH-PFI
I
I
CC
CC
TEMPERATURE (°C)
0
POKP
1
2
CC
CONDITIONS
SINK
SINK
SINK
TH-PFI
2 = 1.8V
- 100mV or rising at
20
) and V
= 3.2mA
= 500µA
= 1.2mA
Typical Operating Characteristics
- 100mV to V
40
CC
Supervisory Circuits
60
TH-PFI
2 ≥ V
80
TH
TH-PFI
+
2 (max) (MAX6741/MAX6744).
A
+
= +25°C.) (Note 1)
10
9
8
7
6
5
4
3
2
1
0
-40
0.476
0.468
MIN
SUPPLY CURRENT vs. TEMPERATURE
-10
V
CC
1 = 1.8V, V
-20
TOTAL
0.488
I
I
TYP
CC
CC
TEMPERATURE (°C)
35
0
5
1
2
CC
2 = 1.2V
20
0.500
0.507
MAX
+10
0.3
0.3
0.4
40
60
UNITS
ms
nA
µs
V
V
80
5