MAX6868UK40D5S-T Maxim Integrated, MAX6868UK40D5S-T Datasheet - Page 10
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MAX6868UK40D5S-T
Manufacturer Part Number
MAX6868UK40D5S-T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6854, MAX6855, MAX6856, MAX6858, MAX6860, MAX6861, MAX6862, MAX6863, MAX6864, MAX6865, MAX6866, MAX6867, MAX6868, MAX6869r
Datasheet
1.MAX6855UK46D4-T.pdf
(17 pages)
Specifications of MAX6868UK40D5S-T
Number Of Voltages Monitored
1
Monitored Voltage
1.2 V to 5.5 V
Undervoltage Threshold
3.9 V
Overvoltage Threshold
4.1 V
Output Type
Active High, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
450 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SOT-23
Chip Enable Signals
No
Maximum Power Dissipation
571 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
7 uA
Supply Voltage - Min
1.1 V
Nanopower µP Supervisory Circuits with
Manual Reset and Watchdog Timer
Figure 1. Functional Diagram
Figure 2. RESET Timing Relationship
10
(MAX6854/MAX6855/MAX6856/
RESET*
______________________________________________________________________________________
V
MR
CC
(MAX6864–MAX6869)
MAX6861–MAX6869)
*RESET IS THE INVERSE OF RESET.
WDI
V
MR
CC
t
RP
V
CC
10kΩ
WATCHDOG
TRANSITION
DETECTOR
1.25V
GND
GENERATOR
WATCHDOG
TIMEOUT
t
MRD
RESET
TIMER
t
MPW
t
RP
MAX6860–
MAX6854
MAX6855
MAX6856
MAX6858
MAX6869
RESET
(MAX6854/MAX6856/MAX6858/
MAX6860/MAX6861
MAX6863/MAX6864/MAX6866/
MAX6867/MAX6869)
RESET
(MAX6855/MAX6862/MAX6865/
MAX6868)
CT
(MAX6861/MAX6862/MAX6863)
t
RD
V
TH