MAX6740XKZWD3-T Maxim Integrated, MAX6740XKZWD3-T Datasheet - Page 5

• Manufacturer Part Number: MAX6740XKZWD3-T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745r

Specifications of MAX6740XKZWD3-T

• Number Of Voltages Monitored: 3
• Monitored Voltage: 1.8 V to 5 V, 0.9 V to 3.3 V
• Undervoltage Threshold: 2.25 V, 1.62 V, Adjustable
• Overvoltage Threshold: 2.375 V, 1.71 V, Adjustable
• Output Type: Active Low, Open Drain
• Manual Reset: Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 225 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