MAX6748KA+T Maxim Integrated Products, MAX6748KA+T Datasheet - Page 4
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MAX6748KA+T
Manufacturer Part Number
MAX6748KA+T
Description
IC RESET MPU W/ADJ RESET SOT23-8
Manufacturer
Maxim Integrated Products
Type
Simple Reset/Power-On Resetr
Datasheet
1.MAX6749KAT.pdf
(14 pages)
Specifications of MAX6748KA+T
Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
Adjustable/Selectable
Voltage - Threshold
Adjustable/Selectable
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-23-8
Monitored Voltage
1.575 V to 5 V
Output Type
Active Low, Push-Pull
Manual Reset
Not Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1 V
Supply Current (typ)
5 uA
Maximum Power Dissipation
714 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Power-up Reset Delay (typ)
9.487 ms
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX6748KA+T
MAX6748KA+TTR
MAX6748KA+TTR
µP Reset Circuits with Capacitor-Adjustable
Reset/Watchdog Timeout Delay
(V
4
CC
1000
1.20
1.15
1.10
1.05
1.00
0.95
0.90
100
_______________________________________________________________________________________
0.1
10
5
3
6
4
2
1
0
= +5V, T
1
-50
100
-50
NORMALIZED RESET TIMEOUT PERIOD
RESET TIMEOUT PERIOD vs. C
-25
-25
A
= +25°C, unless otherwise noted.)
V
vs. TEMPERATURE
SUPPLY CURRENT
vs. TEMPERATURE
CC
0
0
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
= 5V
V
25
C
25
CC
SRT
= 3.3V
C
(pF)
SRT
50
50
C
10,000
= 100pF
SRT
75
V
75
= 1500pF
CC
= 1.8V
100
100
SRT
100,000
125
125
100,000
10,000
1.004
0.992
1.010
1.008
1.006
1.002
1.000
0.998
0.996
0.994
0.990
1000
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
100
0.1
10
1
NORMALIZED RESET IN THRESHOLD VOLTAGE
NORMALIZED WATCHDOG TIMEOUT PERIOD
100
-50
-50
WATCHDOG TIMEOUT PERIOD vs. C
MAX6746–MAX6751
V
CC
-25
EXTENDED MODE
-25
= 5V
vs. TEMPERATURE
vs. TEMPERATURE
0
0
1000
TEMPERATURE (°C)
TEMPERATURE (°C)
C
25
25
SWT
C
(pF)
Typical Operating Characteristics
SWT
50
50
NORMAL MODE
10,000
C
= 100pF
SWT
75
75
= 1500pF
100
100
SWT
100,000
125
125
1.240
1.239
1.238
1.237
1.236
1.235
175
150
125
100
75
50
25
0
5
4
2
1
6
3
0
0
1
1
vs. RESET THRESHOLD OVERDRIVE
MAXIMUM TRANSIENT DURATION
RESET OCCURS
ABOVE THE CURVE
RESET THRESHOLD OVERDRIVE (mV)
200
2
2
RESET IN THRESHOLD
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
400
3
3
600
4
4
V
TH
= 2.92V
800
5
5
1000
6
6